10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)
☒	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period Ended September 30, 2019

OR

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from     to

Commission File Number: 001-35060

PACIRA BIOSCIENCES, INC.

(Exact Name of Registrant as Specified in its Charter)

Delaware	51-0619477
(State or Other Jurisdiction of Incorporation or Organization)	(I.R.S. Employer  Identification No.)

5 Sylvan Way, Suite 300

Parsippany, New Jersey, 07054

(Address and Zip Code of Principal Executive Offices)

(973) 254-3560

(Registrant’s Telephone Number, Including Area Code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading symbol	Name of each exchange on which registered
Common Stock, par value $0.001 per share	PCRX	Nasdaq Global Select Market

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ☒ Yes  ☐ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files.) ☒ Yes  ☐ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer”, “accelerated filer”, “smaller reporting company”, and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☒	Accelerated filer	☐
Non-accelerated filer	☐	Smaller reporting company	☐
		Emerging growth company	☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). ☐ Yes  ☒ No

As of November 3, 2019, 41,730,807 shares of the registrant’s common stock, $0.001 par value per share, were outstanding.

PACIRA BIOSCIENCES, INC. QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED SEPTEMBER 30, 2019 TABLE OF CONTENTS
		Page #
PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited)
	Condensed Consolidated Balance Sheets	3
	Condensed Consolidated Statements of Operations	4
	Condensed Consolidated Statements of Comprehensive Loss	5
	Condensed Consolidated Statements of Stockholders’ Equity	6
	Condensed Consolidated Statements of Cash Flows	8
	Condensed Notes to Consolidated Financial Statements	9
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	40
Item 4.	Controls and Procedures	40
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	41
Item 1A.	Risk Factors	41
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	42
Item 3.	Defaults Upon Senior Securities	42
Item 4.	Mine Safety Disclosures	42
Item 5.	Other Information	42
Item 6.	Exhibits	43
Signatures		44

2

PART I — FINANCIAL INFORMATION

Item 1. FINANCIAL STATEMENTS (Unaudited)

PACIRA BIOSCIENCES, INC. CONDENSED CONSOLIDATED BALANCE SHEETS (In thousands, except share and per share amounts) (Unaudited)
ASSETS	September 30, 2019			December 31, 2018
Current assets:
Cash and cash equivalents	$	85,139		$	132,526
Short-term investments	180,505			250,928
Accounts receivable, net	42,573			38,000
Inventories, net	60,238			48,569
Prepaid expenses and other current assets	10,392			7,946
Total current assets	378,847			477,969
Long-term investments	70,577			25,871
Fixed assets, net	104,856			108,670
Right-of-use assets, net	35,756			—
Goodwill	99,547			62,040
Intangible assets, net	106,354			—
Equity investment and other assets	11,552			14,803
Total assets	$	807,489		$	689,353
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities:
Accounts payable	$	16,064		$	14,368
Accrued expenses	61,002			45,865
Lease liabilities	5,043			—
Convertible senior notes	—			338
Contingent consideration	13,591			—
Income taxes payable	138			90
Total current liabilities	95,838			60,661
Convertible senior notes	302,081			290,592
Lease liabilities	38,882			—
Contingent consideration	22,206			—
Other liabilities	2,320			16,874
Total liabilities	461,327			368,127
Commitments and contingencies (Note 16)
Stockholders’ equity:
Preferred stock, par value $0.001; 5,000,000 shares authorized; none issued and outstanding at September 30, 2019 and December 31, 2018	—			—
Common stock, par value $0.001; 250,000,000 shares authorized; 41,700,320 shares issued and outstanding at September 30, 2019; 41,222,799 shares issued and outstanding at December 31, 2018	42			41
Additional paid-in capital	740,183			709,691
Accumulated deficit	(394,510		)	(388,226		)
Accumulated other comprehensive income (loss)	447			(280		)
Total stockholders’ equity	346,162			321,226
Total liabilities and stockholders’ equity	$	807,489		$	689,353

See accompanying condensed notes to consolidated financial statements.

3

PACIRA BIOSCIENCES, INC. CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (In thousands, except per share amounts) (Unaudited)
	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Revenues:
Net product sales	$	104,350		$	82,708		$	297,080		$	237,713
Collaborative licensing and milestone revenue	—			—			—			3,000
Royalty revenue	335			740			1,522			1,450
Total revenues	104,685			83,448			298,602			242,163
Operating expenses:
Cost of goods sold	22,304			19,065			74,809			62,866
Research and development	20,255			14,897			52,466			41,514
Selling, general and administrative	50,128			44,179			146,559			132,619
Amortization of acquired intangible assets	1,967			—			3,736			—
Acquisition-related charges and product discontinuation, net	7,618			1,259			12,266			1,511
Total operating expenses	102,272			79,400			289,836			238,510
Income from operations	2,413			4,048			8,766			3,653
Other (expense) income:
Interest income	1,736			1,586			5,709			4,493
Interest expense	(5,940		)	(5,642		)	(17,631		)	(16,195		)
Other, net	(4,025		)	(694		)	(4,051		)	(699		)
Total other expense, net	(8,229		)	(4,750		)	(15,973		)	(12,401		)
Loss before income taxes	(5,816		)	(702		)	(7,207		)	(8,748		)
Income tax (expense) benefit	(271		)	62			1,079			(8		)
Net loss	$	(6,087	)	$	(640	)	$	(6,128	)	$	(8,756	)
Net loss per share:
Basic and diluted net loss per common share	$	(0.15	)	$	(0.02	)	$	(0.15	)	$	(0.21	)
Weighted average common shares outstanding:
Basic and diluted	41,645			40,995			41,423			40,833

See accompanying condensed notes to consolidated financial statements.

4

PACIRA BIOSCIENCES, INC. CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (In thousands) (Unaudited)
	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Net loss	$	(6,087	)	$	(640	)	$	(6,128	)	$	(8,756	)
Other comprehensive income (loss):
Net unrealized gain (loss) on investments	(53		)	304			727			213
Total other comprehensive income (loss)	(53		)	304			727			213
Comprehensive loss	$	(6,140	)	$	(336	)	$	(5,401	)	$	(8,543	)

See accompanying condensed notes to consolidated financial statements.

5

PACIRA BIOSCIENCES, INC. CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY FOR THE THREE MONTHS ENDED SEPTEMBER 30, 2019 AND 2018 (In thousands) (Unaudited)
	Common Stock			Additional Paid-In Capital		Accumulated Deficit			Accumulated Other Comprehensive Income (Loss)
	Shares	Amount										Total
Balance at June 30, 2019	41,606	$	42	$	729,531	$	(388,423	)	$	500		$	341,650
Exercise of stock options	92	—		1,408		—			—			1,408
Vested restricted stock units	2	—		—		—			—			—
Stock-based compensation	—	—		9,244		—			—			9,244
Net unrealized loss on investments	—	—		—		—			(53		)	(53		)
Net loss	—	—		—		(6,087		)	—			(6,087		)
Balance at September 30, 2019	41,700	$	42	$	740,183	$	(394,510	)	$	447		$	346,162
	Common Stock			Additional Paid-In Capital		Accumulated Deficit			Accumulated Other Comprehensive Income (Loss)
	Shares	Amount										Total
Balance at June 30, 2018	40,955	$	41	$	686,888	$	(395,871	)	$	(545	)	$	290,513
Exercise of stock options	104	—		2,981		—			—			2,981
Vested restricted stock units	2	—		—		—			—			—
Stock-based compensation	—	—		8,108		—			—			8,108
Net unrealized gain on investments	—	—		—		—			304			304
Net loss	—	—		—		(640		)	—			(640		)
Balance at September 30, 2018	41,061	$	41	$	697,977	$	(396,511	)	$	(241	)	$	301,266

See accompanying condensed notes to consolidated financial statements.

6

PACIRA BIOSCIENCES, INC. CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2019 AND 2018 (In thousands) (Unaudited)
	Common Stock			Additional Paid-In Capital			Accumulated Deficit			Accumulated Other Comprehensive Income (Loss)
	Shares	Amount											Total
Balance at December 31, 2018	41,223	$	41	$	709,691		$	(388,226	)	$	(280	)	$	321,226
Cumulative effect adjustment of the adoption of Accounting Standards Update 2016-02 (Note 2)	—	—		—			(156		)	—			(156		)
Exercise of stock options	251	1		4,994			—			—			4,995
Vested restricted stock units	190	—		—			—			—			—
Shares issued under employee stock purchase plan	36	—		1,270			—			—			1,270
Stock-based compensation	—	—		24,461			—			—			24,461
Retirement of equity component of 2019 convertible senior notes	—	—		(233		)	—			—			(233		)
Net unrealized gain on investments	—	—		—			—			727			727
Net loss	—	—		—			(6,128		)	—			(6,128		)
Balance at September 30, 2019	41,700	$	42	$	740,183		$	(394,510	)	$	447		$	346,162
	Common Stock			Additional Paid-In Capital			Accumulated Deficit			Accumulated Other Comprehensive Income (Loss)
	Shares	Amount											Total
Balance at December 31, 2017	40,669	$	41	$	669,032		$	(389,136	)	$	(454	)	$	279,483
Cumulative effect adjustment of the adoption of Accounting Standards Update 2014-09	—	—		—			1,361			—			1,361
Cumulative effect adjustment of the adoption of Accounting Standards Update 2018-07	—	—		(20		)	20			—			—
Exercise of stock options	207	—		4,474			—			—			4,474
Vested restricted stock units	150	—		—			—			—			—
Shares issued under employee stock purchase plan	35	—		952			—			—			952
Stock-based compensation	—	—		23,539			—			—			23,539
Net unrealized gain on investments	—	—		—			—			213			213
Net loss	—	—		—			(8,756		)	—			(8,756		)
Balance at September 30, 2018	41,061	$	41	$	697,977		$	(396,511	)	$	(241	)	$	301,266

See accompanying condensed notes to consolidated financial statements.

7

PACIRA BIOSCIENCES, INC. CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS  (In thousands) (Unaudited)
	Nine Months Ended   September 30,
	2019			2018
Operating activities:
Net loss	$	(6,128	)	$	(8,756	)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation of fixed assets and amortization of intangible assets	14,486			9,114
Amortization of unfavorable lease obligation and debt issuance costs	1,273			1,186
Amortization of debt discount	10,216			9,512
Loss on disposal and impairment of fixed assets	998			10
Stock-based compensation	24,461			23,539
Changes in contingent consideration (after MyoScience, Inc. acquisition)	7,327			—
Loss on investment and other non-operating income, net	3,957			854
Changes in operating assets and liabilities (net of MyoScience, Inc. acquisition):
Accounts receivable, net	(3,567		)	(2,265		)
Inventories, net	(9,967		)	(3,473		)
Prepaid expenses and other assets	(2,451		)	(1,412		)
Accounts payable	829			(1,400		)
Accrued expenses and income taxes payable	4,004			(71		)
Other liabilities	(822		)	812
Net cash provided by operating activities	44,616			27,650
Investing activities:
Acquisition of MyoScience, Inc. (net of cash acquired)	(118,683		)	—
Purchases of fixed assets	(5,662		)	(12,271		)
Purchases of investments	(220,091		)	(182,750		)
Sales of investments	248,365			345,602
Payment of contingent consideration	—			(6,842		)
Equity Investment	(1,622		)	—
Net cash (used in) provided by investing activities	(97,693		)	143,739
Financing activities:
Proceeds from exercises of stock options	4,991			4,474
Proceeds from shares issued under employee stock purchase plan	1,270			952
Repayment of 2019 convertible senior notes	(338		)	—
Conversion premium on 2019 convertible senior notes	(233		)	—
Net cash provided by financing activities	5,690			5,426
Net (decrease) increase in cash and cash equivalents	(47,387		)	176,815
Cash and cash equivalents, beginning of period	132,526			54,126
Cash and cash equivalents, end of period	$	85,139		$	230,941
Supplemental cash flow information:
Cash paid for interest	$	4,102		$	4,108
Cash paid for income taxes, net of refunds	$	702		$	146
Non-cash investing and financing activities:
Net increase in contingent consideration liabilities	$	28,470		$	—
Net increase (decrease) in accrued fixed assets	$	1,663		$	(130	)

See accompanying condensed notes to consolidated financial statements.

8

PACIRA BIOSCIENCES, INC.

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

NOTE 1—DESCRIPTION OF BUSINESS

Pacira BioSciences, Inc. and its subsidiaries (collectively, the “Company” or “Pacira”) is a leading provider of non-opioid pain management options to advance and improve outcomes for health care practitioners and their patients. The Company’s long-acting, local analgesic, EXPAREL^® (bupivacaine liposome injectable suspension), was commercially launched in the United States in April 2012. EXPAREL utilizes DepoFoam^®, a unique and proprietary delivery technology that encapsulates drugs without altering their molecular structure, and releases them over a desired period of time. In April 2019, the Company added iovera°^® to its commercial offering with its acquisition of MyoScience, Inc., or MyoScience. The iovera° system is a handheld cryoanalgesia device used to deliver a precise, controlled application of cold temperature to only targeted nerves.

The Company changed its name from Pacira Pharmaceuticals, Inc. to Pacira BioSciences, Inc. upon completing the acquisition of MyoScience in order to better reflect a broadening portfolio of innovative non-opioid pain management and regenerative health solutions. See Note 4, MyoScience Acquisition, for more information.

Pacira is subject to risks common to companies in similar industries and stages, including, but not limited to, competition from larger companies, reliance on revenue from two products, reliance on a limited number of manufacturing sites, new technological innovations, dependence on key personnel, reliance on third-party service providers and sole source suppliers, protection of proprietary technology, compliance with government regulations and risks related to cybersecurity.

NOTE 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation and Principles of Consolidation

These interim condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America, or GAAP, and in accordance with the rules and regulations of the United States Securities and Exchange Commission, or SEC, for interim reporting. Pursuant to these rules and regulations, certain information and footnote disclosures normally included in complete annual financial statements have been condensed or omitted. Therefore, these interim condensed consolidated financial statements should be read in conjunction with the audited annual consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.

The condensed consolidated financial statements at September 30, 2019, and for the three and nine month periods ended September 30, 2019 and 2018, are unaudited, but include all adjustments (consisting of only normal recurring adjustments) which, in the opinion of management, are necessary to present fairly the financial information set forth herein in accordance with GAAP. The condensed consolidated balance sheet at December 31, 2018 is derived from the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018. The condensed consolidated financial statements as presented reflect certain reclassifications from previously issued financial statements to conform to the current year presentation. The accounts of wholly-owned subsidiaries are included in the condensed consolidated financial statements. Intercompany accounts and transactions have been eliminated in consolidation.

The results of operations for these interim periods are not necessarily indicative of results that may be expected for any other interim periods or for the full year.

Concentration of Major Customers

The Company sells EXPAREL through a drop-ship program under which orders are processed through wholesalers (including AmerisourceBergen Health Corporation, Cardinal Health, Inc. and McKesson Drug Company), but shipments of the product are sent directly to individual accounts, such as hospitals, ambulatory surgery centers and individual doctors. The Company also sells EXPAREL directly to ambulatory surgery centers and physicians. The Company sells its bupivacaine liposome injectable suspension for use in animals to a third party licensee and sells iovera° directly to end users. The table below includes the percentage of revenue comprised by the Company’s three largest wholesalers in each period presented:

9

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2019	2018	2019	2018
Largest wholesaler	34%	34%	34%	34%
Second largest wholesaler	29%	30%	29%	30%
Third largest wholesaler	27%	26%	26%	26%
Total	90%	90%	89%	90%

 

Recently Adopted Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board, or FASB, issued Accounting Standards Update, or ASU, 2016-02, Leases (Topic 842), and subsequently issued clarifications and corrections to the update by issuing ASU 2018-10 in July 2018. This update required lessees to recognize lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under previous authoritative guidance. For income statement purposes, the new standard retained a dual model similar to Accounting Standards Codification, or ASC, 840, requiring leases to be classified as either operating or financing. Operating leases continue to result in straight-line expense while financing leases result in a front-loaded expense pattern (similar to previous accounting guidance by lessees for operating and capital leases, respectively, under ASC 840).

The Company adopted ASU 2016-02 on January 1, 2019 using the effective date method. There were practical expedients available to the Company at transition that it elected to apply upon adoption. The Company did not re-assess (i) whether its contracts contained a lease under the new definition of a lease and (ii) the classification of those leases. There were no initial direct costs previously capitalized on the consolidated balance sheet. In addition, the Company applied hindsight in the determination of the lease terms, in the assessment of the likelihood that a lease renewal, termination or purchase option will be exercised, and in the assessment of any potential impairments that existed on the right-of-use, or ROU, assets recognized at adoption. The Company also elected not to recognize a ROU asset and lease liability for those leases with a remaining lease term of 12 months or less.

At adoption on January 1, 2019, the lease liability was equal to the present value of future lease payments and a ROU asset was recorded based on the lease liability, adjusted for items such as prepaid and accrued lease payments. The Company recorded $36.5 million of lease liabilities and $27.6 million of ROU assets as of January 1, 2019, the difference representing previously recorded lease-related assets and liabilities. There was a cumulative-effect adjustment to retained earnings of $0.2 million upon adoption. Refer to Note 7, Leases, for further information on the Company’s existing leases.

The lease liability recognized upon adoption was based upon the present value of the sum of the remaining minimum lease payments (as previously identified under ASC 840), determined using the discount rate as of the date of adoption. The discount rate was based on the Company’s incremental borrowing rate on a collateralized basis over a similar remaining term and in a similar economic environment.

Recent Accounting Pronouncements Not Adopted as of September 30, 2019

In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires entities to measure all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions and reasonable and supportable forecasts. Entities will now use forward-looking information to better form their credit loss estimates. This update also requires enhanced disclosures to help financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an entity’s portfolio. This standard will become effective for the Company beginning January 1, 2020, with early adoption permitted. The Company does not expect there to be a significant impact from the adoption of ASU 2016-13 on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework. The purpose of the update is to improve the effectiveness of the fair value measurement disclosures that allows for clear communication of information that is most important to the users of financial statements. There were certain required disclosures that have been removed or modified. In addition, the update added the following disclosures: (i) changes in unrealized gains and losses for the period included in other comprehensive income (loss) for recurring Level 3 fair value measurements held at the end of the reporting period and (ii) the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. The standard will become effective for the Company beginning January 1, 2020. The Company does not expect there to be a significant impact from the adoption of ASU 2018-13 on its consolidated financial statements.

10

In August 2018, the FASB issued ASU 2018-15, Intangibles—Goodwill and Other Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The update provides guidance to determine which implementation costs to capitalize as they relate to the service contract and which costs to expense. In addition, the update further defines the term of the hosting arrangement to include the non-cancelable period of the arrangement plus periods covered by (i) an option to extend the arrangement if the customer is reasonably certain to exercise that option; (ii) an option to terminate the arrangement if the customer is reasonably certain not to exercise the termination option and (iii) an option to extend (or not to terminate) the arrangement in which exercise of the option is in the control of the vendor. Any expense related to the capitalized implementation costs should be recorded in the same financial statement line item in the consolidated statements of operations as the fees associated with the hosting element of the arrangement, and the payments for capitalized implementation costs should be classified in the same manner as payments made for fees associated with the hosting element in the consolidated statements of cash flows. This standard will become effective for the Company beginning January 1, 2020. The amendments may be applied either retrospectively or prospectively to all implementation costs incurred after the date of adoption. The Company expects to apply ASU 2018-15 on a prospective basis. The Company will apply this standard to future implementation costs incurred. The impact of ASU 2018-15 will be dependent upon future projects entered into by the Company subsequent to the date of adoption.

In April 2019, the FASB issued ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments, which provides amendments to the recognition and measurement of certain financial assets and financial liabilities. One of those amendments requires that equity securities without readily determinable fair values accounted for under the measurement alternative be re-measured when an orderly transaction is identified for an identical or similar investment of the same issuer. This standard will become effective for the Company beginning January 1, 2020. The Company does not expect there to be a significant impact from the adoption of ASU 2019-04 on its consolidated financial statements.

Other pronouncements issued by the FASB or other authoritative accounting standards groups with future effective dates are either not applicable or not significant to the consolidated financial statements of the Company.

Significant Accounting Policies

Leases

Effective January 1, 2019, the Company recognizes ROU assets and lease liabilities at the commencement of its lease agreements. The leases are evaluated at commencement to determine whether they should be classified as operating or financing leases. Lease costs associated with operating leases are recognized on a straight-line basis, while lease costs for financing leases are recognized over the lease term using the effective interest method. To date, the Company does not have any financing leases. The amount of ROU assets and lease liabilities to be recognized is impacted by the type of lease payments, the lease term and the incremental borrowing rate. Variable lease payments are not included at commencement and are recognized in the period in which they are incurred. The lease term is based on the contractual term and is adjusted for any renewal options or termination rights that are reasonably certain to be exercised. The incremental borrowing rate is based on the rate the Company estimates it would pay on a collateralized basis over a similar term in a similar economic environment.

Acquisitions

In a business combination, the acquisition method of accounting requires that the assets acquired and liabilities assumed be recorded as of the date of the acquisition at their respective fair values with some exceptions. Assets acquired and liabilities assumed in a business combination that arise from contingencies are generally recognized at fair value. If fair value cannot be determined, the asset or liability is recognized if probable and reasonably estimable; if these criteria are not met, no asset or liability is recognized. Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Accordingly, the Company may be required to value assets at fair value measures that do not reflect the Company’s intended use of those assets. Any excess of the purchase price (consideration transferred) over the estimated fair values of net assets acquired is recorded as goodwill. Transaction costs and costs to restructure the acquired company are expensed as incurred. The operating results of the acquired business are reflected in the Company’s condensed consolidated financial statements after the date of the acquisition. If the Company determines the assets acquired do not meet the definition of a business under the acquisition method of accounting, the transaction will be accounted for as an acquisition of assets rather than as a business combination and, therefore, no goodwill would be recorded.

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Contingent Consideration

Subsequent to an acquisition, the Company measures contingent consideration arrangements at fair value for each period with changes in fair value recognized in the consolidated statements of operations as acquisition-related charges. Changes in contingent consideration can result from changes in the assumed achievement and timing of estimated sales, costs of goods sold and regulatory approvals. In the absence of new information, changes in fair value reflect the passage of time towards achievement of the milestones, and are accrued based on an accretion schedule.

Intangible Assets

Intangible assets with definite useful lives are amortized on a straight-line basis over their estimated useful lives and are reviewed for impairment if certain events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Intangible assets are recorded at cost, net of accumulated amortization. The Company evaluates the recoverability of intangible assets periodically and takes into account events and circumstances which may indicate that an impairment exists.

Segment Reporting

The Company is managed and operated as a single business focused on the discovery, development, manufacture, marketing, distribution and sale of non-opioid pain management options. The Company is managed by a single management team, and, consistent with its organizational structure, the Chief Executive Officer and Chairman manages and allocates resources at a consolidated level. Accordingly, the Company views its business as one reportable operating segment to evaluate performance, allocate resources, set operational targets and forecast its future period financial results.

NOTE 3—REVENUE

Revenue from Contracts with Customers

The Company’s sources of revenue include (i) sales of EXPAREL/bupivacaine liposome injectable suspension in the United States, or U.S.; (ii) sales of iovera° in the U.S.; (iii) royalties based on sales of its bupivacaine liposome injectable suspension product for use in animals and (iv) license fees and milestone payments. The majority of the Company’s revenue is derived from net product sales of EXPAREL. As such, the following disclosure only relates to revenue associated with net EXPAREL product sales.

Net Product Sales

The Company sells EXPAREL through a drop-ship program under which orders are processed through wholesalers based on orders of the product placed by end-users which include hospitals, ambulatory surgery centers and doctors. EXPAREL is delivered directly to the end-user without the wholesaler ever taking physical possession of the product. Product revenue is recognized when control of the promised goods are transferred to the customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for transferring those goods. EXPAREL revenue is recorded at the time the product is delivered to the end-user.

Revenues from sales of products are recorded net of returns allowances, prompt payment discounts, wholesaler service fees, volume rebates and chargebacks. These reserves are based on estimates of the amounts earned or to be claimed on the related sales. These amounts are treated as variable consideration, estimated and recognized as a reduction of the transaction price at the time of the sale, using the most likely amount method for the gross to net adjustments, except for returns, which is based on the expected value method. The Company includes these estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized for such transaction will not occur, or when the uncertainty associated with the variable consideration is resolved. The calculation of some of these items requires management to make estimates based on sales data, historical return data, contracts and other related information that may become known in the future. The adequacy of these provisions is reviewed on a quarterly basis.

Accounts Receivable

The majority of accounts receivable arise from product sales and represent amounts due from wholesalers, hospitals, ambulatory surgery centers and doctors. Payment terms generally range from zero to 37 days from the date of the transaction, and accordingly, there is no significant financing component.

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Performance Obligations

A performance obligation is a promise in a contract to transfer a distinct good or service to the customer and is the unit of account in ASC 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied.

At contract inception, the Company assesses the goods promised in its contracts with customers and identifies a performance obligation for each promise to transfer to the customer a good that is distinct. When identifying individual performance obligations, the Company considers all goods promised in the contract regardless of whether explicitly stated in the customer contract or implied by customary business practices. The Company’s contracts with customers require it to transfer an individual distinct product, which represents a single performance obligation. The Company’s performance obligation with respect to its product sales is satisfied at a point in time, which transfers control upon delivery of EXPAREL to its customers. The Company considers control to have transferred upon delivery because the customer has legal title to the asset, physical possession of the asset has been transferred, the customer has significant risks and rewards of ownership of the asset and the Company has a present right to payment at that time.

Disaggregated Revenue

The following table represents disaggregated net product sales in the periods presented as follows (in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
Net Product Sales	2019		2018		2019		2018
EXPAREL / bupivacaine liposome injectable suspension	$	101,711	$	82,708	$	292,406	$	237,713
iovera°	2,639		—		4,674		—
Total net product sales	$	104,350	$	82,708	$	297,080	$	237,713

NOTE 4—MYOSCIENCE ACQUISITION

On April 9, 2019, the Company acquired MyoScience (the “MyoScience Acquisition”), a privately-held medical device company, pursuant to the terms of an Agreement and Plan of Merger (the “Merger Agreement”), under which MyoScience became a wholly-owned subsidiary of the Company and was renamed Pacira CryoTech, Inc., or CryoTech. The MyoScience Acquisition added iovera° to the Company’s commercial offering. The iovera° system is a novel, United States Food and Drug Administration, or FDA, approved, non-opioid treatment that immediately alleviates pain for up to 90 days by applying intense cold to only targeted nerves in a process called cryoanalgesia.

The consideration included an initial cash payment of $120.0 million, reduced by $1.0 million for post-closing purchase price adjustments and indemnification obligations incurred to date, and the fair value of contingent consideration in the amount of $28.5 million. The contingent consideration consists of contingent milestone payments up to an aggregate of $100.0 million upon the achievement of certain regulatory and commercial milestones, of which up to $25.0 million may be payable in shares of the Company’s common stock if achieved in 2020. Per the terms of the Merger Agreement, the Company’s obligation to make milestone payments is limited to those milestones achieved between January 1, 2019 and December 31, 2023, and are to be paid within 60 days of the end of the fiscal quarter of achievement. In the third quarter of 2019, the Company met a regulatory milestone which was previously accrued and will result in a $7.0 million payment to be made in the fourth quarter of 2019. The Company also expects to meet another regulatory milestone which was previously accrued that would result in a $5.0 million payment to be made in 2020. For more information regarding contingent milestone payments subsequent to September 30, 2019, refer to Note 17, Subsequent Events.

The Company has accounted for the MyoScience Acquisition using the acquisition method of accounting and, accordingly, has included the assets acquired, liabilities assumed and results of operations in the condensed consolidated financial statements from April 10, 2019 onward, the day following the acquisition date. The excess of the purchase price over the fair value of identifiable net assets acquired represents goodwill. This goodwill is primarily attributable to the value of combining iovera° and EXPAREL as a safe and effective non-opioid multimodal regimen for pain management, as well as the synergies of merging operations. The primary assets and liabilities of the business acquired include developed technology and customer relationship intangible assets, equipment, inventory, receivables, payables and accrued expenses. Inventory has been recorded at its estimated selling price less costs of distribution and a reasonable profit, and the intangible assets acquired (including developed technology and customer relationships) have been recorded at fair value as determined by the Company’s management with the assistance of a third-party valuation specialist. The acquired goodwill and intangible assets are currently

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not deductible for tax purposes. However, the Company is considering certain tax elections that would allow for the future deduction of acquired goodwill and intangible assets. See Note 8, Goodwill and Intangible Assets, for more information.

The total consideration for the MyoScience Acquisition was $147.5 million, which consisted of the following (in thousands):

Purchase Price	Amount
Cash paid, adjusted for working capital items	$	119,038
Fair value of contingent consideration	28,470
Total	$	147,508

The preliminary purchase price allocation is based on estimates, assumptions, valuations and other studies which have not yet been finalized. Prior to the finalization of the purchase price allocation, if information becomes available that would indicate it is probable that unknown events had occurred and the amounts can be reasonably estimated, such items will be included in the final purchase price allocation and may change the carrying value of goodwill. The Company is finalizing its valuation of the intangible assets and tax analyses, and anticipates finalizing the purchase price allocation as the information necessary to complete the analysis is obtained, but no later than one year after the acquisition date. The following tables set forth the preliminary allocation of the MyoScience Acquisition purchase price to the estimated fair value of the net assets acquired at the acquisition date (in thousands):

	Amounts Recognized at the Acquisition Date (Unaudited)
ASSETS ACQUIRED
Current assets	$	5,275
Non-current assets (other than intangible assets)	1,044
Intangible assets (excluding goodwill)	110,090
Total assets acquired (excluding goodwill)	$	116,409
LIABILITIES ASSUMED
Current liabilities	$	4,436
Deferred tax liabilities, net	1,828
Other non-current liabilities	144
Total liabilities assumed	6,408
Total identifiable net assets acquired	110,001
Goodwill	37,507
Total consideration transferred	$	147,508

CryoTech results from the acquisition date of April 10, 2019 through September 30, 2019, which are included in the condensed consolidated statements of operations, are as follows (in thousands):

Classification in Condensed Consolidated Statements of Operations	Acquisition Date Through September 30, 2019
Total revenues	$	4,674
Net loss	$	(5,555	)

Unaudited Pro Forma Summary of Operations

The following table shows the unaudited pro forma summary of operations for the three months ended September 30, 2018 and the nine months ended September 30, 2019 and 2018, as if the MyoScience Acquisition had occurred on January 1, 2018. This pro forma information does not purport to represent what the Company’s actual results would have been if the acquisition had occurred as of January 1, 2018, and is not indicative of what such results would be expected for any future period (in thousands, except per share amounts):

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	Three Months Ended   September 30,			Nine Months Ended   September 30,
	2018			2019			2018
Total revenues	$	84,916		$	301,051		$	245,721
Net loss	$	(6,944	)	$	(10,633	)	$	(27,663	)
Pro forma basic and diluted net loss per share	$	(0.17	)	$	(0.26	)	$	(0.68	)

The unaudited pro forma financial information was prepared using the acquisition method of accounting and was based on the historical financial information of the Company and MyoScience. The summary pro forma financial information primarily reflects the following pro forma adjustments:

• Removal of the acquisition-related transaction fees and costs, including certain stock-based compensation and other compensation expenses related to the acquisition, from the nine months ended September 30, 2019;

• Removal of the income tax benefit resulting from the Company decreasing its existing valuation allowance on deferred tax assets from the nine months ended September 30, 2019;

• Removal of MyoScience’s loss on extinguishment of debt and warrant expense in the nine months ended September 30, 2019;

• Removal of MyoScience’s interest expense;

• Adjustments to the Company’s interest income for the cash used to acquire MyoScience; and

• The addition of amortization expense on the acquired developed technology and customer relationship intangible assets.

NOTE 5—INVENTORIES

The components of inventories, net are as follows (in thousands):

	September 30,		December 31,
	2019		2018
Raw materials	$	18,798	$	19,193
Work-in-process	17,472		9,711
Finished goods	23,968		19,665
Total	$	60,238	$	48,569

The Company is required to perform stability testing on select lots of EXPAREL. In October 2019, a single validation lot of EXPAREL manufactured at the Company’s contract manufacturing site located in the United Kingdom did not meet its required stability specification. The Company has temporarily halted production on the line while it investigates the root cause of the failure. Inventory from this line totals approximately $10.5 million. Depending on the outcome of the investigation and discussions with the FDA, it may be determined that some or all of this inventory may be unsellable. At this stage, no determination of an amount is possible.

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NOTE 6—FIXED ASSETS

Fixed assets, net, summarized by major category, consist of the following (in thousands):

	September 30,			December 31,
	2019			2018
Machinery and equipment	$	68,342		$	67,431
Leasehold improvements	60,355			57,955
Computer equipment and software	8,381			8,131
Office furniture and equipment	1,625			1,548
Construction in progress	38,421			35,163
Total	177,124			170,228
Less: accumulated depreciation	(72,268		)	(61,558		)
Fixed assets, net	$	104,856		$	108,670

For the three months ended September 30, 2019 and 2018, depreciation expense was $3.6 million and $3.5 million, respectively, and for the three months ended both September 30, 2019 and 2018, there was less than $0.1 million of capitalized interest on the construction of manufacturing sites.

For the nine months ended September 30, 2019 and 2018, depreciation expense was $10.7 million and $9.1 million, respectively. For the nine months ended September 30, 2019 there was less than $0.1 million of capitalized interest on the construction of manufacturing sites, and for the nine months ended September 30, 2018, capitalized interest was $0.7 million.

At September 30, 2019 and December 31, 2018, total fixed assets, net, includes leasehold improvements and manufacturing process equipment located in Europe in the amount of $65.1 million and $64.6 million, respectively.

During the nine months ended September 30, 2019, the Company recorded increases to its asset retirement obligations, or AROs, of $0.3 million due to a revision in estimated future cash flows related to the AROs (including those resulting from the MyoScience Acquisition). Accretion expense was $0.1 million and $0.2 million in the three and nine months ended September 30, 2019, respectively.

NOTE 7—LEASES

The Company leases its EXPAREL manufacturing, research and development, warehouse and former DepoCyt(e) manufacturing facilities in San Diego, California, its iovera° manufacturing, research and development and warehouse facility in Fremont, California and its corporate headquarters in Parsippany, New Jersey. These leases have remaining terms between one year and eleven years, some of which provide renewal options at the then-current market value, along with one that contains the right to terminate the lease after four years. The Company also has a lease with Thermo Fisher Scientific Pharma Services (“Thermo Fisher”) (formerly Patheon UK Limited), for the use of their facility in Swindon, England, which is embedded in agreements the Company has with Thermo Fisher. A portion of the associated monthly base fees has been allocated to the lease component based on a relative fair value basis.

The Company’s facility in Fremont, California, is dedicated to the iovera° product line and consists of approximately 20,000 square feet of mixed use manufacturing, research and development and office space. For a description of the Company’s other material properties, refer to its Annual Report on Form 10-K for the year ended December 31, 2018.

The operating lease costs for the facilities include lease and non-lease components, such as common area maintenance and other common operating expenses, along with executory costs such as insurance and real estate taxes. Total operating lease costs are as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
Operating Lease Costs	2019		2018		2019		2018
Fixed lease costs	$	1,585	$	2,659	4,544		5,750
Variable lease costs	403		495		1,233		1,305
Total	$	1,988	$	3,154	$	5,777	$	7,055

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Supplemental cash flow information related to operating leases is as follows (in thousands):

	Nine Months Ended
	September 30, 2019
Cash paid for operating lease liabilities, net of lease incentive	$	5,247
Right-of-use assets recorded in exchange for lease obligations	$	38,419

The Company has elected to net the amortization of the ROU asset and the reduction of the lease liability principal in accrued expenses in the condensed consolidated statement of cash flows.

The Company has measured its operating lease liabilities at an estimated discount rate in which it could borrow on a collateralized basis over the remaining term for each operating lease. The weighted average remaining lease term and the weighted average discount rate are summarized as follows:

	September 30, 2019
Weighted average remaining lease term	9.66 years
Weighted average discount rate	7.62%

Maturities of the Company’s operating lease liabilities are as follows (in thousands):

Year	Aggregate Minimum Payments Due
2019 (remaining three months)	$	2,039
2020	7,662
2021	5,359
2022	5,486
2023	5,616
2024 through 2030	37,208
Total lease payments	63,370
Less: imputed interest	(19,445		)
Total operating lease liabilities	$	43,925

The Company has entered into three lease agreements (not included in the table above) for which there are future obligations but the leases have not yet commenced as of September 30, 2019 (in thousands):

Year	Aggregate Minimum Payments Due
2019 (remaining three months)	$	27
2020	2,607
2021	4,878
2022	4,937
2023	5,081
2024 through 2030	35,848
Total future lease payments	$	53,378

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As of December 31, 2018, aggregate annual minimum payments due under the Company’s lease obligations were as follows (in thousands):

Year	Aggregate Minimum Payments Due
2019	$	8,140
2020	7,621
2021	5,295
2022	5,417
2023	5,543
2024 through 2030	14,329
Total	$	46,345

NOTE 8—GOODWILL AND INTANGIBLE ASSETS

Goodwill

Skyepharma Acquisition

In March 2007, the Company acquired from SkyePharma Holding, Inc. (now a subsidiary of Vectura Group plc), or Skyepharma, its California operating subsidiary named Pacira Pharmaceuticals, Inc. (the “Skyepharma Acquisition”). The Company’s goodwill arose in April 2012 from a contingent milestone payment to Skyepharma in connection with the Skyepharma Acquisition. The Skyepharma Acquisition was accounted for under Statement of Financial Accounting Standards 141, Accounting for Business Combinations, which was the effective GAAP standard at the Skyepharma Acquisition date. In connection with the Skyepharma Acquisition, the Company agreed to milestone payments for DepoBupivacaine products, including EXPAREL, as follows:

(i) $10.0 million upon the first commercial sale in the United States (met April 2012);

(ii) $4.0 million upon the first commercial sale in a major E.U. country (United Kingdom, France, Germany, Italy and Spain);

(iii) $8.0 million when annual net sales collected reach $100.0 million (met September 2014);

(iv) $8.0 million when annual net sales collected reach $250.0 million (met June 2016); and

(v) $32.0 million when annual net sales collected reach $500.0 million.

For purposes of meeting future potential milestone payments, annual net sales are measured on a rolling quarterly basis.

As part of the Skyepharma Acquisition, the Company agreed to pay certain earn-out payments based on a percentage of net sales of DepoBupivacaine products collected, including EXPAREL, for the term during which such sales were covered by a valid claim in certain patent rights related to EXPAREL and other biologics products. The last patents for which a valid claim existed expired on September 18, 2018 and thus, the only remaining obligations to Skyepharma are the two unmet milestone payments totaling $36.0 million. Any remaining milestone payments will be treated as additional costs of the Skyepharma Acquisition and, therefore, recorded as goodwill if and when each contingency is resolved.

There was no change in the carrying value of goodwill related to the Skyepharma Acquisition during the three and nine months ended September 30, 2019.

MyoScience Acquisition

In connection with the MyoScience Acquisition, the Company recorded goodwill totaling $37.5 million. The acquired goodwill is currently not deductible for tax purposes. However, the Company is considering certain tax elections that would allow for the future deduction of this acquired goodwill. See Note 4, MyoScience Acquisition, for more information.

The change in the carrying value of the Company’s goodwill is summarized as follows (in thousands):

	Carrying Value of Goodwill
Balance at December 31, 2018	$	62,040
Goodwill arising from the MyoScience Acquisition	37,507
Balance at September 30, 2019	$	99,547

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Intangible Assets

MyoScience Acquisition

Intangible assets, net, consist of the developed technology and customer relationships that were acquired in the MyoScience Acquisition and are summarized as follows (in thousands):

September 30, 2019	Gross Carrying Value		Accumulated Amortization			Intangible Assets, Net		Estimated Useful Life
Developed technology	$	110,000	$	(3,732	)	$	106,268	14 Years
Customer relationships	90		(4		)	86		10 Years
Total intangible assets	$	110,090	$	(3,736	)	$	106,354

There were no intangible assets, net, at December 31, 2018. Amortization expense on intangible assets for the three and nine months ended September 30, 2019 was $2.0 million and $3.7 million, respectively. There was no amortization expense on intangible assets for the three and nine months ended September 30, 2018.

For the remaining three months of 2019, amortization expense on intangible assets will be $2.0 million. Assuming no changes in the gross carrying amount of these intangible assets, the future amortization expense on intangible assets will be $7.9 million annually through 2032 and $2.2 million in 2033. These acquired intangible assets are currently not deductible for tax purposes. However, the Company is considering certain tax elections that would allow for the future deduction of these acquired intangible assets.

NOTE 9—DEBT

Convertible Senior Notes Due 2022

On March 13, 2017, the Company completed a private placement of $345.0 million in aggregate principal amount of 2.375% convertible senior notes due 2022, or 2022 Notes, and entered into an indenture, or 2022 Indenture, with respect to the 2022 Notes. The 2022 Notes accrue interest at a fixed rate of 2.375% per year, payable semiannually in arrears on April 1^st and October 1^st of each year. The 2022 Notes mature on April 1, 2022.

The total debt composition of the 2022 Notes is as follows (in thousands):

	September 30,			December 31,
	2019			2018
2.375% convertible senior notes due 2022	$	345,000		$	345,000
Deferred financing costs	(4,577		)	(5,850		)
Discount on debt	(38,342		)	(48,558		)
Total debt, net of debt discount and deferred financing costs	$	302,081		$	290,592

Holders may convert their 2022 Notes prior to October 1, 2021 only if certain circumstances are met, including if during the previous calendar quarter, the last reported sales price of the Company’s common stock was greater than 130% of the conversion price then applicable for at least 20 out of the last 30 consecutive trading days of the quarter. During the quarter ended September 30, 2019, this condition for conversion was not met.

On or after October 1, 2021, until the close of business on the second scheduled trading day immediately preceding April 1, 2022, holders may convert their 2022 Notes at any time.

Upon conversion, holders will receive the principal amount of their 2022 Notes and any excess conversion value, calculated based on the per share volume-weighted average price for each of the 40 consecutive trading days during the observation period (as more fully described in the 2022 Indenture). For both the principal and excess conversion value, holders may receive cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock, at the Company’s option. The initial conversion rate for the 2022 Notes is 14.9491 shares of common stock per $1,000 principal amount, which is equivalent to an initial conversion price of $66.89 per share of the Company’s common stock. The conversion rate will be subject to adjustment in some events but will not be adjusted for any accrued and unpaid interest. The initial conversion price of the 2022 Notes represents a premium of approximately 37.5% to the closing sale price of $48.65 per

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share of the Company’s common stock on the Nasdaq Global Select Market on March 7, 2017, the date that the Company priced the private offering of the 2022 Notes.

As of September 30, 2019, the 2022 Notes had a market price of $987 per $1,000 principal amount. In the event of conversion, holders would forgo all future interest payments, any unpaid accrued interest and the possibility of stock price appreciation. Upon the receipt of conversion requests, the settlement of the 2022 Notes will be paid pursuant to the terms of the 2022 Indenture. In the event that all of the 2022 Notes are converted, the Company would be required to repay the $345.0 million in principal value and any conversion premium in any combination of cash and shares of its common stock (at the Company’s option).

Prior to April 1, 2020, the Company may not redeem the 2022 Notes. On or after April 1, 2020, the Company may redeem for cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock, at the Company’s option, all or part of the 2022 Notes if the last reported sale price (as defined in the 2022 Indenture) of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading-day period ending within five trading days prior to the date on which the Company provides notice of redemption. The redemption price will equal the sum of (i) 100% of the principal amount of the 2022 Notes being redeemed, plus (ii) accrued and unpaid interest, including additional interest, if any, to, but excluding, the redemption date. In addition, calling the 2022 Notes for redemption will constitute a “make whole fundamental change” (as defined in the 2022 Indenture) and will, in certain circumstances, increase the conversion rate applicable to the conversion of such notes if it is converted in connection with the redemption. No sinking fund is provided for the 2022 Notes.

While the 2022 Notes are currently classified on the Company’s consolidated balance sheet at September 30, 2019 as long-term debt, the future convertibility and resulting balance sheet classification of this liability will be monitored at each quarterly reporting date and will be analyzed dependent upon market prices of the Company’s common stock during the prescribed measurement periods. In the event that the holders of the 2022 Notes have the right to convert the 2022 Notes at any time during the prescribed measurement period, the 2022 Notes would then be considered a current obligation and classified as such.

Convertible Senior Notes Due 2019

On February 1, 2019, the Company’s 3.25% convertible senior notes due 2019, or 2019 Notes, matured, and the Company paid the remaining $0.3 million of principal in full, plus a $0.2 million conversion premium in cash. The 2019 Notes accrued interest at a fixed rate of 3.25% per year and were payable semiannually in arrears on February 1^st and August 1^st of each year.

Interest Expense

The following table sets forth the total interest expense recognized in the periods presented (dollar amounts in thousands):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Contractual interest expense	$	2,048		$	2,051		$	6,146		$	6,153
Amortization of debt issuance costs	429			411			1,273			1,219
Amortization of debt discount	3,467			3,228			10,216			9,512
Capitalized interest (Note 6)	(4		)	(48		)	(4		)	(689		)
Total	$	5,940		$	5,642		$	17,631		$	16,195
Effective interest rate on convertible senior notes	7.81		%	7.81		%	7.81		%	7.81		%

NOTE 10—FINANCIAL INSTRUMENTS

Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or be paid to transfer a liability in the principal or most advantageous market in an orderly transaction. To increase consistency and comparability in fair value measurements, the FASB established a three-level hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The three levels of fair value measurements are:

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• Level 1—Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 inputs.

• Level 2—Observable prices that are based on inputs not quoted on active markets, but corroborated by market data.

• Level 3—Unobservable inputs that are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs.

The carrying value of financial instruments including cash and cash equivalents, accounts receivable and accounts payable approximate their respective fair values due to the short-term nature of these items. The fair value of the Company’s convertible senior notes at September 30, 2019 are calculated utilizing market quotations from an over-the-counter trading market for these notes (Level 2). The fair value of the Company’s acquisition-related contingent consideration is reported at fair value on a recurring basis (Level 3). The carrying amount and fair values of the Company’s convertible senior notes and acquisition-related contingent consideration are as follows (in thousands):

Financial Liabilities	Carrying Value		Fair Value Measurements Using
September 30, 2019			Level 1		Level 2		Level 3
2.375% convertible senior notes due 2022 (1)(2)	$	302,081	$	—	$	340,472	$	—
Acquisition-related contingent consideration (3)	$	35,797	$	—	$	—	$	35,797

(1) The closing price of the Company’s common stock was $38.07 per share at September 30, 2019 compared to a conversion price of $66.89 per share. Currently, the conversion price is above the stock price. The maximum conversion premium that can be due on the 2022 Notes is approximately 5.2 million shares of the Company’s common stock, which assumes no increases in the conversion rate for certain corporate events.

(2) Reported at historical cost.

(3) Reported at fair value on a recurring basis.

Financial Liabilities Measured at Fair Value on a Recurring Basis

The Company has recognized contingent consideration in the amount of $35.8 million as of September 30, 2019. The contingent consideration was recognized as part of the MyoScience Acquisition in April 2019. Refer to Note 4, MyoScience Acquisition, for more information.

The Company’s contingent consideration obligations are recorded at their estimated fair values and are revalued each reporting period until the related contingencies are resolved. For the three and nine months ended September 30, 2019, the Company recognized $7.3 million of fair value adjustments related to contingent consideration, which have been included in acquisition-related charges in the condensed consolidated statements of operations. The Company has measured the fair value of its contingent consideration using a probability-weighted discounted cash flow approach that is based on unobservable inputs and a Monte Carlo simulation. These inputs include, as applicable, estimated probabilities and the timing of achieving specified commercial and regulatory milestones; estimated forecasts of revenue and costs and the discount rate used to calculate the present value of estimated future payments. Significant changes may increase or decrease the probabilities of achieving the related commercial and regulatory events, shorten or lengthen the time required to achieve such events, or increase or decrease estimated forecasts.

The following table includes the key assumptions used in the valuation of the Company’s contingent consideration:

Assumption	Ranges Utilized as of September 30, 2019
Discount rates	5.29% to 5.64%
Probabilities of payment for regulatory milestones	0% to 100% (1)
Projected years of payment for regulatory milestones	2019 to 2023
Projected years of payment for commercial milestones	Up to 4.25 years

(1) One of the regulatory milestones was met during the three months ended September 30, 2019, requiring a payment in the amount of $7.0 million to be made in the fourth quarter of 2019.

The maximum remaining potential payments related to the contingent consideration from the MyoScience Acquisition are $80.0 million.

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The change in the Company’s contingent consideration recorded at fair value using Level 3 measurements is as follows (in thousands):

	Fair Value
Balance at December 31, 2018	$	—
New financial liabilities entered into on date of MyoScience Acquisition (April 9, 2019)	28,470
Fair value adjustments and accretion	7,327
Balance at September 30, 2019	$	35,797

Investments

Short-term investments consist of asset-backed securities collateralized by credit card receivables, investment grade commercial paper and corporate bonds with maturities greater than three months, but less than one year. Long-term investments consist of asset-backed securities collateralized by credit card receivables and corporate bonds with maturities greater than one year. Net unrealized gains and losses from the Company’s short-term and long-term investments are reported in other comprehensive income (loss). At September 30, 2019, all of the Company’s short-term investments are classified as available for sale investments and are determined to be Level 2 instruments, which are measured at fair value using standard industry models with observable inputs. The fair value of the commercial paper is measured based on a standard industry model that uses the three-month U.S. Treasury bill rate as an observable input. The fair value of the asset-backed securities and corporate bonds is principally measured or corroborated by trade data for identical issues in which related trading activity is not sufficiently frequent to be considered a Level 1 input or that of comparable securities. At September 30, 2019, all short-term and long-term investments had an “A” or better rating by Standard & Poor’s.

The following summarizes the Company’s investments at September 30, 2019 and December 31, 2018 (in thousands): 

September 30, 2019 Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value (Level 2)
Short-term:
Asset-backed securities	$	29,044	$	60	$	—		$	29,104
Commercial paper	34,788		41		—			34,829
Corporate bonds	116,273		299		—			116,572
Subtotal	180,105		400		—			180,505
Long-term:
Asset-backed securities	16,518		23		(7		)	16,534
Corporate bonds	54,012		48		(17		)	54,043
Subtotal	70,530		71		(24		)	70,577
Total	$	250,635	$	471	$	(24	)	$	251,082

December 31, 2018 Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value (Level 2)
Short-term:
Asset-backed securities	$	34,873	$	—	$	(33	)	$	34,840
Commercial paper	45,035		—		(30		)	45,005
Corporate bonds	171,289		—		(206		)	171,083
Subtotal	251,197		—		(269		)	250,928
Long-term:
Asset-backed securities	9,383		5		—			9,388
Corporate bonds	16,499		—		(16		)	16,483
Subtotal	25,882		5		(16		)	25,871
Total	$	277,079	$	5	$	(285	)	$	276,799

Certain assets and liabilities are measured at fair value on a nonrecurring basis, including assets and liabilities acquired in a business combination, any related contingent consideration arising from an acquisition and long-lived assets, which would be

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recognized at fair value if deemed to be impaired or if reclassified as assets held for sale. The fair value in these instances would be determined using Level 3 inputs.

TELA Bio, Inc.

At December 31, 2018, the Company held a $14.1 million investment in convertible preferred B shares of TELA Bio, Inc., or TELA Bio, a privately-held surgical reconstruction company that markets its proprietary OviTex^TM portfolio of products for ventral hernia repair and abdominal wall reconstruction. In June 2019, the Company made an additional cash investment of $1.6 million in TELA Bio’s convertible preferred B shares. In September 2019, the investment was deemed to be impaired when an offer was made to sell the Company’s shares in TELA Bio for an amount less than the Company’s carrying amount. The fair value of the investment was based on an initial public offering estimated price range less a discount for a lack of liquidity. The Company recognized an impairment charge of $5.4 million, which was recorded in other, net in its consolidated statements of operations for the three and nine months ended September 30, 2019. In the three and nine months ended September 30, 2018, the Company recorded a loss of $0.9 million on an unexercised purchase option in TELA Bio, which was recorded in other, net in its consolidated statements of operations.

Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, short-term investments, long-term investments and accounts receivable. The Company maintains its cash and cash equivalents with high-credit quality financial institutions. Such amounts may exceed federally-insured limits.

 As of September 30, 2019, three wholesalers each accounted for over 10% of the Company’s accounts receivable, at 34%, 30% and 29%, respectively. At December 31, 2018, three wholesalers each accounted for over 10% of the Company’s accounts receivable, at 32%, 32% and 29%, respectively. For additional information regarding the Company’s wholesalers, see Note 2, Summary of Significant Accounting Policies. Revenues are primarily derived from major wholesalers and pharmaceutical companies that generally have significant cash resources. The Company performs ongoing credit evaluations of its customers as warranted and generally does not require collateral. Allowances for doubtful accounts receivable are maintained based on historical payment patterns, aging of accounts receivable and the Company’s actual write-off history. As of September 30, 2019 and December 31, 2018, no allowances for doubtful accounts were deemed necessary by the Company on its accounts receivable.

NOTE 11—STOCK PLANS

Stock Incentive Plans

In June 2019, the Company’s stockholders approved the Amended and Restated 2011 Stock Incentive Plan, or 2011 Plan. The 2011 Plan was amended to increase the number of shares of common stock authorized for issuance as equity awards under the plan by 3,000,000 shares.

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Stock-Based Compensation

The Company recognized stock-based compensation expense in the periods presented as follows (in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
	2019		2018		2019		2018
Cost of goods sold	$	1,243	$	1,179	$	3,490	$	3,431
Research and development	1,297		1,122		3,772		2,770
Selling, general and administrative	6,704		5,807		17,199		17,338
Total	$	9,244	$	8,108	$	24,461	$	23,539
Stock-based compensation from:
Stock options (employee awards)	$	6,257	$	5,270	$	16,509	$	16,452
Stock options (consultant awards)	161		209		408		449
Restricted stock units (employee awards)	2,639		2,479		6,950		6,088
Employee stock purchase plan	187		150		594		550
Total	$	9,244	$	8,108	$	24,461	$	23,539

Equity Awards

The following tables contain information about the Company’s stock option and restricted stock unit, or RSU, activity for the nine months ended September 30, 2019:

Stock Options	Number of Options		Weighted Average Exercise Price
Outstanding at December 31, 2018	5,722,818		$	41.69
Granted	1,792,978		42.81
Exercised	(251,169	)	19.88
Forfeited	(258,353	)	41.51
Expired	(125,316	)	59.20
Outstanding at September 30, 2019	6,880,958		42.46

Restricted Stock Units	Number of Units		Weighted Average Grant Date Fair Value
Unvested at December 31, 2018	577,964		$	42.14
Granted	303,168		43.57
Vested	(190,586	)	45.56
Forfeited	(49,611	)	41.04
Unvested at September 30, 2019	640,935		41.88

The weighted average fair value of stock options granted during the nine months ended September 30, 2019 was $20.97 per share. The fair values of stock options granted were estimated using the Black-Scholes option valuation model with the following weighted average assumptions:

Black-Scholes Weighted Average Assumption	Nine Months Ended September 30, 2019
Expected dividend yield	None
Risk-free interest rate	2.02%
Expected volatility	53.88%
Expected term of options	5.22 years

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Employee Stock Purchase Plan

The Company’s 2014 Employee Stock Purchase Plan, or ESPP, features two six-month offering periods per year, running from January 1 to June 30 and July 1 to December 31. Under the ESPP, employees may elect to contribute after-tax earnings to purchase shares at 85% of the closing fair market value of the Company’s common stock on either the offering date or the purchase date, whichever is less. During the nine months ended September 30, 2019, 35,766 shares were purchased and issued through the ESPP.

NOTE 12—STOCKHOLDERS’ EQUITY

Accumulated Other Comprehensive Income (Loss)

The following table illustrates the changes in the balances of the Company’s accumulated other comprehensive income (loss) for the periods presented (in thousands):

	Nine Months Ended   September 30,
Net unrealized gains (losses) from available for sale investments:	2019			2018
Balance at beginning of period	$	(280	)	$	(454	)
Other comprehensive income before reclassifications	727			213
Amounts reclassified from accumulated other comprehensive income (loss)	—			—
Balance at end of period	$	447		$	(241	)

NOTE 13—NET INCOME (LOSS) PER SHARE

Basic net income (loss) per share is calculated by dividing the net income (loss) attributable to common shares by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per common share is calculated by dividing the net income (loss) attributable to common shares by the weighted average number of common shares outstanding plus dilutive potential common shares outstanding during the period. Potential common shares include the shares of common stock issuable upon the exercise of outstanding stock options, the vesting of RSUs, the purchase of shares from the ESPP (using the treasury stock method) as well as the conversion of the excess conversion value on the 2022 Notes. As discussed in Note 9, Debt, the Company has the option to pay cash for the aggregate principal amount due upon the conversion of its 2022 Notes. Since it is the Company’s intent to settle the principal amount of its 2022 Notes in cash, the potentially dilutive effect of such notes on net income (loss) per share is computed under the treasury stock method. The Company settled the principal and conversion premium of its 2019 Notes in cash.

Potential common shares are excluded from the diluted net income (loss) per share computation to the extent they would be antidilutive. Because the Company reported a net loss for each of the three and nine month periods ended September 30, 2019 and 2018, no potentially dilutive securities have been included in the computation of diluted net loss per share for those periods.

The following table sets forth the computation of basic and diluted net loss per share for the three and nine months ended September 30, 2019 and 2018 (in thousands, except per share amounts):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(6,087	)	$	(640	)	$	(6,128	)	$	(8,756	)
Denominator:
Weighted average common shares outstanding—basic and diluted	41,645			40,995			41,423			40,833
Net loss per share:
Basic and diluted net loss per common share	$	(0.15	)	$	(0.02	)	$	(0.15	)	$	(0.21	)

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The following outstanding stock options, RSUs and ESPP purchase options are antidilutive in the periods presented (in thousands):

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2019	2018	2019	2018
Weighted average number of stock options	5,443	5,988	4,816	5,392
Weighted average number of RSUs	266	618	154	528
Weighted average ESPP purchase options	33	29	23	32
Total	5,742	6,635	4,993	5,952

NOTE 14—INCOME TAXES

Income (loss) before income taxes is as follows (in thousands):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Income (loss) before income taxes:
Domestic	$	(3,234	)	$	1,839		$	2,345		$	(7,382	)
Foreign	(2,582		)	(2,541		)	(9,552		)	(1,366		)
Total loss before income taxes	$	(5,816	)	$	(702	)	$	(7,207	)	$	(8,748	)

For the three months ended September 30, 2019 and 2018, the Company recorded income tax expense of $0.3 million and an income tax benefit of $0.1 million, respectively. For the nine months ended September 30, 2019 and 2018, the Company recorded an income tax benefit of $1.1 million and an income tax expense of less than $0.1 million, respectively. The income tax benefit for the nine months ended September 30, 2019 is primarily related to the MyoScience Acquisition and a $1.8 million reduction in the Company’s valuation allowance on its deferred tax assets due to the MyoScience Acquisition, partially offset by current state income taxes. Due to net operating losses, or NOLs, carried forward, and the repeal of the corporate minimum tax, no current federal income tax expense was recorded for 2018 or 2019. The utilization of the Company’s NOLs has not resulted in any deferred federal tax expense because there was a full valuation allowance recorded with respect to the NOLs.

NOTE 15—ACQUISITION–RELATED CHARGES AND PRODUCT DISCONTINUATION, NET

The Company recognized acquisition-related charges of $7.6 million and $12.1 million in the three and nine months ended September 30, 2019, respectively, related to the Myoscience Acquisition. The acquisition-related charges reflect increases in the fair value of contingent consideration in the amount of $7.3 million for both the three and nine month periods ended September 30, 2019. See Note 10, Financial Instruments, for information regarding the method and key assumptions used in the fair value measurements of contingent consideration. In addition, $0.2 million and $4.1 million of acquisition-related charges, representing advisory costs, including legal, financial, accounting and tax services, were incurred during the three and nine months ended September 30, 2019, respectively. The remaining $0.1 million and $0.7 million incurred in the three and nine months ended September 30, 2019, respectively, represented separation costs, asset write-downs and other restructuring charges. The Company did not incur any acquisition-related charges in 2018. See Note 4, MyoScience Acquisition, for more information.

In addition to the acquisition-related charges, the Company recorded costs for product discontinuation related to its DepoCyt(e) discontinuation activities of less than $0.1 million and $0.1 million in the three and nine months ended September 30, 2019, respectively. Product discontinuation charges were $1.3 million and $1.5 million in the three and nine months ended September 30, 2018, respectively.

MyoScience Restructuring Activities

In conjunction with the MyoScience Acquisition, the Company initiated a restructuring through a headcount reduction in the sales and administrative functions. In addition, the Company terminated a number of existing distributor agreements that were maintained by MyoScience. These eliminations resulted in the write-off of demonstration equipment held by former employees and distributors.

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DepoCyt(e) Discontinuation

In June 2017, the Company’s board of directors approved the discontinuation of all future production of DepoCyt^® (U.S. and Canada) and DepoCyte^® (European Union) due to persistent technical issues specific to the DepoCyt(e) manufacturing process. As of June 30, 2017, the Company had ceased all production of DepoCyt(e). Cash payments related to the DepoCyt(e) manufacturing facility are expected to continue through the end of its lease term in August 2020.

In April 2018, the Company received formal notice of the termination of a Supply Agreement and a Distribution Agreement (and all related agreements as subsequently amended) from Mundipharma International Corporation Limited and Mundipharma Medical Company, respectively (collectively, “Mundipharma”). The Company is currently engaged in settlement discussions with Mundipharma.

Summary of Acquisition-Related Restructuring Activities and DepoCyt(e) Discontinuation Costs

At January 1, 2019, there was a balance sheet reclassification from the lease cost reserves related to the DepoCyt(e) discontinuation to lease liabilities in the amount of $1.5 million, recognized as part of the transition to the ASU 2016-02. See Note 2, Summary of Significant Accounting Policies, for more information. The Company’s acquisition-related restructuring and DepoCyt(e) discontinuation costs as of September 30, 2019 are summarized below (in thousands):

	Acquisition-Related Separation Costs			Acquisition-Related Asset Write-Downs			DepoCyt(e) Lease Costs			Asset Retirement Obligations, Other Restructuring and Discontinuation Costs			Total
Balance at December 31, 2018	$	—		$	—		$	1,970		$	282		$	2,252
Charges incurred	480			193			—			167			840
Cash payments made	(321		)	—			—			(307		)	(628		)
Other, including non-cash activity	—			(193		)	—			—			(193		)
Reclassifications	—			—			(1,970		)	455			(1,515		)
Balance at September 30, 2019	$	159		$	—		$	—		$	597		$	756

NOTE 16—COMMITMENTS AND CONTINGENCIES

Litigation

From time to time, the Company has been and may again become involved in legal proceedings arising in the ordinary course of its business, including those related to patents, product liability and government investigations. Except as described below, the Company is not presently a party to any legal proceedings which it believes to be material, and is not aware of any pending or threatened litigation against the Company which it believes could have a material adverse effect on its business, operating results, financial condition or cash flows.

In April 2015, the Company received a subpoena from the U.S. Department of Justice, U.S. Attorney’s Office for the District of New Jersey, requiring the production of a broad range of documents pertaining to marketing and promotional practices related to EXPAREL. The Company is cooperating with the government’s inquiry. The Company can make no assurances as to the time or resources that will need to be devoted to this inquiry or its final outcome, or the impact, if any, of this inquiry or any proceedings on its business, financial condition, results of operations and cash flows.

NOTE 17—SUBSEQUENT EVENTS

Contingent Consideration

In November 2019, the Company received new regulatory information and now expects to achieve an additional $10.0 million contingent regulatory milestone related to the MyoScience Acquisition, which can be made in either cash or shares of the Company’s common stock, or a combination thereof, at the election of MyoScience shareholders. As a result, in the fourth quarter of 2019, the Company expects to record a charge to acquisition-related charges of approximately $9.0 million. For more information regarding contingent milestone payments related to the MyoScience Acquisition, refer to Note 4, MyoScience Acquisition.

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Item 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Management’s Discussion and Analysis of Financial Condition and Results of Operations is based upon our condensed consolidated financial statements, which have been prepared in accordance with generally accepted accounting principles in the United States of America (GAAP) and in accordance with the rules and regulations of the United States Securities and Exchange Commission, or SEC.

This Quarterly Report on Form 10-Q and certain other communications made by us contain forward-looking statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, or the Exchange Act, including statements about our growth and future operating results, discovery and development of products, strategic alliances and intellectual property. For this purpose, any statement that is not a statement of historical fact should be considered a forward-looking statement. We often use the words “believe,” “anticipate,” “plan,” “estimate,” “expect,” “intend,” “may,” “will,” “would,” “could,” “can” and similar expressions to help identify forward-looking statements. We cannot assure you that our estimates, assumptions and expectations will prove to have been correct. These forward-looking statements include, among others, statements about: the success of our sales and manufacturing efforts in support of the commercialization of EXPAREL^®(bupivacaine liposome injectable suspension); the rate and degree of market acceptance of EXPAREL; the size and growth of the potential markets for EXPAREL and our ability to serve those markets; our plans to expand the use of EXPAREL to additional indications and opportunities, and the timing and success of any related clinical trials; our ability to realize the anticipated benefits and synergies from the acquisition of MyoScience, Inc., or MyoScience; the ability to successfully integrate iovera°^® and MyoScience into the Company’s existing business; the commercial success of iovera°; the related timing and success of United States Food and Drug Administration, or FDA, supplemental New Drug Applications, or sNDAs; the outcome of the U.S. Department of Justice, or DOJ, inquiry; the Company’s plans to evaluate, develop and pursue additional DepoFoam^®-based product candidates; clinical trials in support of an existing or potential DepoFoam-based product; our commercialization and marketing capabilities and our ability to successfully construct an additional EXPAREL manufacturing suite in Swindon, England and assumptions associated with contingent consideration payments. Important factors could cause our actual results to differ materially from those indicated or implied by forward-looking statements. We undertake no intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, and readers should not rely on the forward-looking statements as representing our views as of any date subsequent to the date of the filing of this Quarterly Report on Form 10-Q.

These forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, levels of activity, performance or achievements to differ materially from those expressed or implied by these statements. These factors include items mentioned herein and the matters discussed and referenced in Part I-Item 1A. “Risk Factors” included in our Annual Report on Form 10-K for the year ended December 31, 2018 and in other reports as filed with the SEC.

Unless the context requires otherwise, references to “Pacira,” “we,” the “Company,” “us” and “our” in this Quarterly Report on Form 10-Q refer to Pacira BioSciences, Inc. and its subsidiaries. In addition, references in this Quarterly Report on Form 10-Q to DepoCyt(e) mean DepoCyt^® when discussed in the context of the United States, or U.S., and Canada and DepoCyte^® when discussed in the context of the European Union, or E.U.

Overview

Pacira is a leading provider of non-opioid pain management options to advance and improve outcomes for health care practitioners and their patients. Our long-acting, local analgesic EXPAREL was commercially launched in April 2012. EXPAREL utilizes DepoFoam, a unique and proprietary delivery technology that encapsulates drugs without altering their molecular structure and releases them over a desired period of time. EXPAREL is currently indicated for single-dose infiltration in adults to produce postsurgical local analgesia and as an interscalene brachial plexus nerve block to produce postsurgical regional analgesia. Since its initial approval in 2011 for single-dose infiltration, more than six million patients have been treated with EXPAREL. We drop-ship EXPAREL directly to the end-user based on orders placed to wholesalers or directly to us, and there is no product held by wholesalers. In April 2019, we acquired iovera°, a handheld cryoanalgesia device used to deliver a precise, controlled application of cold temperature to only targeted nerves, which we sell directly to end users.

We expect to continue to incur significant expenses as we pursue the expanded use of EXPAREL and iovera° in additional procedures; progress our earlier-stage product candidate pipeline; advance regulatory activities for EXPAREL, iovera° and other product candidates; invest in sales and marketing resources for EXPAREL and iovera°; expand and enhance our manufacturing capacity for EXPAREL and iovera°; invest in products, businesses and technologies and support legal matters.

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MyoScience Acquisition

On April 9, 2019, we acquired MyoScience (the “MyoScience Acquisition”), a privately-held medical device company, pursuant to the terms of an Agreement and Plan of Merger (the “Merger Agreement”), under which MyoScience became our wholly-owned subsidiary and was renamed Pacira CryoTech, Inc., or CryoTech. The acquisition added iovera° to our commercial offering. The iovera° system is a novel, FDA-approved, non-opioid treatment that has been shown to immediately alleviate pain for up to 90 days by applying intense cold to targeted nerves in a process called cryoanalgesia.

The consideration included an initial cash payment of $120.0 million, reduced by $1.0 million for post-closing purchase price adjustments and indemnification obligations incurred to date. The Merger Agreement also provides for contingent milestone payments of up to an aggregate of $100.0 million upon the achievement of certain regulatory and commercial milestones, of which up to $25.0 million may be payable in shares of our common stock if achieved in 2020. Refer to Note 4, MyoScience Acquisition, for more information.

After the closing of the MyoScience Acquisition, we changed our corporate name to Pacira BioSciences, Inc. to better reflect our vision of becoming a global leader in non-opioid pain management and regenerative medicine. Our Company’s California operating subsidiary retained the name Pacira Pharmaceuticals, Inc., and our common stock continues to trade on the Nasdaq Global Select Market under the ticker symbol “PCRX.”

EXPAREL

EXPAREL is currently indicated for single-dose infiltration in adults to produce postsurgical local analgesia and as an interscalene brachial plexus nerve block to produce postsurgical regional analgesia. Safety and efficacy have not been established in other nerve blocks.

Phase 4 Trials

We are expanding the clinical evidence for EXPAREL through Phase 4 clinical trials across several surgical specialties.

In January 2019, we reported positive topline results from a Phase 4 study of EXPAREL in patients undergoing Cesarean section, or C-section. The study compared an EXPAREL transversus abdominis plane, or TAP, block to a bupivacaine TAP block and achieved its primary endpoint with a statistically significant reduction in total postsurgical opioid consumption through 72 hours (p<0.05) while also reducing pain intensity scores through 72 hours. The study also achieved statistical significance (p<0.05) for relevant additional endpoints, including: (i) reduced total opioid consumption at one and two weeks following C-section and (ii) an increased percentage of opioid-spared patients, a composite endpoint, which was defined as patients who took no more than one oxycodone 10mg tablet (or equivalent) and graded their bother or stress from the following opioid-related adverse events as “not at all”: vomiting, itching, sweating, freezing or dizziness. These data were presented at the Annual Meeting of the Society for Obstetric Anesthesia and Perinatology in May 2019. The full study results will be submitted for publication in the peer-reviewed medical literature.

Patient enrollment is ongoing in a second C-section study (known as “CHOICE”). This multicenter, randomized, active controlled study is evaluating the efficacy and safety of EXPAREL when administered via infiltration into the TAP versus the standard of care in patients undergoing elective C-section. The study’s primary objective is to compare total opioid consumption through 72 hours. The study is designed to evaluate a completely opioid-free arm with EXPAREL, including opioid-free spinal anesthesia.

Patient enrollment is underway in a Phase 4 study in spine surgeries (known as “FUSION”) and we are activating sites for a Phase 4 study in hip fracture procedures (known as “RESTORE”).

In surgical settings where we are seeing positive outcomes for EXPAREL as part of an enhanced recovery after surgery, or ERAS, protocol (such as colorectal and breast reconstruction procedures), we are investing in training around the protocol and collecting real-world data on the standard-of-care without EXPAREL compared to an EXPAREL-based ERAS protocol. Our Phase 4 strategy also supports clinician education on procedure-specific best-practice care for improved patient outcomes and customer satisfaction within our approved indications.

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Phase 3 Label Expansion Trials

Pediatrics

The Pediatric Research Equity Act requires pharmaceutical companies to study their products in children for the same use for which they are approved in adults. There is no long-lasting local anesthetic approved for use in children under the age of 12, meaning that pediatric patients currently have no approved alternatives to opioids for the management of severe postsurgical pain and need additional pain control options.

We have completed our first pharmacokinetic and safety study for EXPAREL in children (known as “PLAY”). The study evaluated postsurgical analgesia via infiltration in pediatric patients aged 6 to less than 17 years undergoing various types of surgeries. We expect to report topline results from the PLAY study before the end of 2019. We are also in discussions with the FDA to define a safe dose for the administration of EXPAREL as a brachial plexus nerve block in the pediatric setting.

Lower Extremity Nerve Block

We are launching a Phase 3 lower extremity nerve block study (known as “STRIDE”) that will compare EXPAREL to bupivacaine in patients undergoing foot and ankle surgeries. With positive results, we would file an sNDA to expand the EXPAREL label for this indication. We believe adding the lower extremity nerve block indication to our label would be significant as anesthesia-driven regional approaches using nerve and field blocks continue to take hold as institutional protocol.

Global Expansion

We have defined a global expansion strategy for EXPAREL that we believe provides us with the opportunity to increase our revenue and leverage our fixed cost infrastructure. We have prioritized Europe, Canada and China. In the E.U., we have secured a positive opinion for our Pediatric Investigation Plan (PIP) and in June 2019 our Marketing Authorization Application, or MAA, was validated by the European Medicines Agency (EMA). In Canada, which is a concentrated market driven by four provinces, we have completed a New Drug Submission to Health Canada, and we are in the process of securing validation. We do not intend to pursue a commercial partnership to commercialize EXPAREL in Europe or Canada. In China, we have an agreement with Nuance Biotech Co. Ltd., or Nuance, a China-based specialty pharmaceutical company, for the development and commercialization of EXPAREL. We have received feedback from the National Medical Products Administration, or NMPA, regarding the regulatory requirements for securing approval of EXPAREL. We believe we have the necessary clarity from the NMPA, and we are in the process of finalizing our regulatory path forward.

iovera°

iovera° and EXPAREL for Non-Opioid Pain Management

We view iovera° as being highly complementary to EXPAREL as a non-opioid therapy that delivers cryoanalgesia via a handheld device to alleviate pain by disrupting pain signals being transmitted to the brain from the site of injury or surgery. Initially, we will focus on two broad patient care opportunities.

Our first priority is iovera° and EXPAREL for opioid-sparing pain management for the total knee arthroplasty, or TKA, patient, with iovera° being administered before surgery and EXPAREL administered during surgery. As many as 30 percent of presurgical patients with end-stage knee osteoarthritis use prescription opioids. With iovera°, our goal is to provide patients with several months of non-opioid pain control to allow them to prepare for surgery with an appropriate regimen. We also believe that EXPAREL for surgical pain control and EXPAREL plus iovera° for postsurgical pain control could support rapid functional recovery.

The second target market is iovera° for osteoarthritis patients who have failed conservative treatments, such as non-steroidal anti-inflammatory drugs or viscosupplementation, and are seeking drug-free, opioid-free, surgery-free pain management for several months. We are targeting patients who are seeking an active lifestyle as well as patients who desire to delay surgery for personal reasons.

Osteoarthritis of the Knee

Our near-term therapeutic focus for iovera° will be osteoarthritis of the knee, where there is already a growing body of clinical data demonstrating success with the iovera° treatment. There are 14 million individuals in the U.S. who have symptomatic knee osteoarthritis, and nearly 2 million are under the age of 45. Surgical intervention is typically a last resort for

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patients suffering from osteoarthritis of the knee. In one study, the majority of the patients suffering from osteoarthritis of the knee experienced pain and system relief beyond 150 days after being treated with iovera°.

Preliminary findings demonstrated reductions in opioids, including:

• The daily morphine equivalent was significantly lower at 72 hours (p<0.05), 6 weeks (p<0.05) and 12 weeks (p<0.05), with an overall 35 percent reduction in daily morphine equivalents across the 12-week postoperative period in the iovera° treatment group.

• Patients who were administered iovera° were far less likely to take opioids six weeks after surgery. The number of patients taking opioids six weeks after TKA in the control group was three times the number of patients taking opioids in the cryoanalgesia group (14% vs. 44%, p<0.01).

• Patients in the iovera° group demonstrated a statistically significant reduction in pain scores from their baseline pain scores at 72 hours (p<0.05) and at 12 weeks (p<0.05).

We believe these data validate iovera° as a clinically meaningful non-opioid alternative for patients undergoing TKA, and that iovera° offers the opportunity to provide patients with non-opioid pain control well in advance of any necessary surgical intervention through a number of key product attributes:

• iovera° is safe and effective with immediate pain relief that can last for several months as the nerve regenerates over time;

• iovera° is repeatable;

• The technology does not risk damage to the surrounding tissue;

• It is a convenient handheld device with a single-use procedure-specific smart tip;

• iovera° can be delivered precisely using ultrasound guidance or an anatomical landmark.

We believe the combination of iovera° and EXPAREL will become the preferred procedural solution that will empower patients and their healthcare providers to take control of the patients’ osteoarthritis journey, while minimizing the need for opioids. Our initial focus will be iovera° and EXPAREL as a multimodal solution for TKA. In addition, we also intend to study EXPAREL and iovera° as a multimodal solution for anterior cruciate ligament (ACL) repair surgeries.

Product Pipeline

Given the proven safety, flexibility and customizability of our DepoFoam platform for acute, sub-acute and chronic pain applications, we have several DepoFoam-based products in preclinical development. Following data readouts from animal and other feasibility studies for these candidates, we have prioritized two programs for clinical development: (i) the intrathecal delivery of a DepoFoam-based analgesic for acute and chronic pain and (ii) DepoDexmedetomidine, a sedative-analgesic for end-of-life pain and painful conditions in the elderly.

We plan to invest in clinical initiatives to demonstrate the value proposition of iovera°. We are looking to continue to broaden the scope of iovera° applications and improve its functionality for current and future end users. This will be accomplished through enhancements across the product line, which is comprised of single-use disposable units as well as non-disposable handheld devices.

In parallel, our business development team continues to pursue innovative acquisition targets that align with our strategy and are complementary to EXPAREL and iovera° by thoughtfully pursuing additional opportunities that are of great interest to the surgical and anesthesia audiences we are already calling on today. Our goal is to build a portfolio of customer-focused non-opioid and regenerative health solutions to improve patients’ journeys along the neural pain pathway.

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Results of Operations

Comparison of the Three and Nine Months Ended September 30, 2019 and 2018

Revenues

Net product sales consist of sales of EXPAREL in the U.S., our bupivacaine liposome injectable suspension to Aratana Therapeutics, Inc. (a wholly owned subsidiary of Elanco Animal Health, Inc.), or Aratana, for use in animals in the U.S., and sales of iovera° in the U.S. Licensing, milestone and royalty revenues are from our collaborative licensing agreements.

The following table provides information regarding our revenues during the periods indicated, including percent changes (dollar amounts in thousands):

	Three Months Ended   September 30,				% Increase / (Decrease)	Nine Months Ended   September 30,				% Increase / (Decrease)
	2019		2018			2019		2018
Net product sales:
EXPAREL	$	101,456	$	82,226	23%	$	290,938	$	236,690	23%
Bupivacaine liposome injectable suspension	255		482		(47)%	1,468		1,023		43%
Total EXPAREL / bupivacaine liposome injectable suspension net product sales	101,711		82,708		23%	292,406		237,713		23%
iovera°	2,639		—		N/A	4,674		—		N/A
Total net product sales	104,350		82,708		26%	297,080		237,713		25%
Collaborative licensing and milestone revenue	—		—		N/A	—		3,000		(100)%
Royalty revenue	335		740		(55)%	1,522		1,450		5%
Total revenues	$	104,685	$	83,448	25%	$	298,602	$	242,163	23%

EXPAREL revenue grew 23% in each of the three and nine months ended September 30, 2019 compared to the same periods in 2018, primarily due to an increase in net product sales of EXPAREL units of 27% and 28%, respectively, partially offset by the sales mix of EXPAREL product sizes. The demand for EXPAREL has continued to increase as a result of a number of key growth initiatives, such as the expansion of the EXPAREL label in April 2018 to include brachial plexus nerve block, the success of our co-promotion agreement with DePuy Synthes Sales, Inc., or DePuy Synthes, and the continued implementation of EXPAREL-based ERAS protocols across a wide range of surgical procedures, all of which are driving growth in new and existing accounts due to the continued adoption of EXPAREL as a critical component of multimodal pain management strategies for soft tissue and orthopedic procedures. There was also an increase in sales of our bupivacaine liposome injectable suspension to Aratana for use in animals in the nine months ended September 30, 2019.

As part of the MyoScience Acquisition, we acquired iovera°. Net product sales were $2.6 million and $4.7 million for the three and nine months ended September 30, 2019, respectively (with the nine month figure attributable to the post-closing period of April 10, 2019 to September 30, 2019). Thus far, we have seen the greatest iovera° demand as pain relief for patients in advance of TKA procedures and in chronic pain management, particularly for people with mild to severe osteoarthritis of the knee.

The collaborative licensing and milestone revenue recorded in the nine months ended September 30, 2018 relates to a $3.0 million upfront payment earned under a license agreement with Nuance for the development and commercialization of EXPAREL in China. There was no collaborative licensing and milestone revenue through the first nine months of 2019.

Royalty revenue reflects the royalties earned on sales to Aratana. Royalty revenue decreased 55% in the three months and increased 5% in the nine months ended September 30, 2019 versus 2018, respectively, as a result of the timing of orders placed by Aratana.

The following tables provide a summary of activity with respect to our sales related allowances and accruals related to EXPAREL for the nine months ended September 30, 2019 and 2018 (in thousands):

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September 30, 2019	Returns Allowances			Prompt Payment Discounts			Wholesaler Service Fees			Volume Rebates and Chargebacks			Total
Balance at December 31, 2018	$	344		$	779		$	1,167		$	1,010		$	3,300
Provision	558			6,009			4,602			7,593			18,762
Payments / Adjustments	(400		)	(5,922		)	(4,768		)	(7,167		)	(18,257		)
Balance at September 30, 2019	$	502		$	866		$	1,001		$	1,436		$	3,805

September 30, 2018	Returns Allowances			Prompt Payment Discounts			Wholesaler Service Fees			Volume Rebates and Chargebacks			Total
Balance at December 31, 2017	$	821		$	657		$	839		$	696		$	3,013
Provision	500			4,873			3,719			4,493			13,585
Payments / Adjustments	(715		)	(4,827		)	(3,806		)	(4,353		)	(13,701		)
Balance at September 30, 2018	$	606		$	703		$	752		$	836		$	2,897

Total reductions to gross product sales from sales-related allowances and accruals were $18.8 million and $13.6 million, or 5.9% and 5.4% of gross product sales, for the nine months ended September 30, 2019 and 2018, respectively. The overall increase in sales-related allowances and accruals as a percentage of gross product sales was directly related to an increase in discounting driven by higher sales volume from customers with discount contracts.

Cost of Goods Sold

Cost of goods sold primarily relates to the costs to produce, package and deliver our products to customers. These expenses include labor, raw materials, manufacturing overhead and occupancy costs, depreciation of facilities, royalty payments, quality control and engineering.

The following table provides information regarding our cost of goods sold and gross margin during the periods indicated, including percent changes (dollar amounts in thousands):

	Three Months Ended   September 30,						% Increase / (Decrease)	Nine Months Ended   September 30,						% Increase / (Decrease)
	2019			2018				2019			2018
Cost of goods sold	$	22,304		$	19,065		17%	$	74,809		$	62,866		19%
Gross margin	79		%	77		%		75		%	74		%

Gross margin improved two percentage points for the three months ended September 30, 2019 versus 2018 and one percentage point for the nine months ended September 30, 2019 versus 2018 as a result of having completed our capacity expansion project for the commercial production of EXPAREL at our custom manufacturing suite in Swindon, England (under our partnership with Thermo Fisher Scientific Pharma Services, or Thermo Fisher). In the three month period ended September 30, 2019, a one percentage point improvement in gross margin was due to manufacturing efficiencies at our Science Center Campus in San Diego, California, which were offset by a one percentage point decrease as the result of lower gross margin from iovera°.

Research and Development Expenses

Research and development expenses primarily consist of costs related to clinical trials and related outside services, product development and other research and development costs, including Phase 4 trials that we are conducting to generate new data for EXPAREL and stock-based compensation expense. Clinical and preclinical development expenses include costs for clinical personnel, clinical trials performed by third-parties, toxicology studies, materials and supplies, database management and other third-party fees. Manufacturing and product development expenses include development costs for our products, which include personnel, equipment, materials and contractor costs for process development and product candidates, development costs related to significant scale-ups of our manufacturing capacity and facility costs for our research space. Regulatory and other expenses include regulatory activities related to unapproved products and indications, medical information expenses and related personnel. Stock-based compensation expense relates to the costs of stock option grants, awards of restricted stock units, or RSUs, and our employee stock purchase plan, or ESPP.

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The following table provides information regarding our research and development expenses during the periods indicated, including percent changes (dollar amounts in thousands):

	Three Months Ended   September 30,						% Increase / (Decrease)	Nine Months Ended   September 30,						% Increase / (Decrease)
	2019			2018				2019			2018
Clinical and preclinical development	$	9,762		$	3,928		100% +	$	22,956		$	13,374		72%
Manufacturing and product development	7,782			8,524			(9)%	20,996			22,003			(5)%
Regulatory and other	1,414			1,323			7%	4,742			3,367			41%
Stock-based compensation	1,297			1,122			16%	3,772			2,770			36%
Total research and development expense	$	20,255		$	14,897		36%	$	52,466		$	41,514		26%
% of total revenues	19		%	18		%		18		%	17		%

Total research and development expense increased 36% and 26% in the three and nine months ended September 30, 2019 versus the same periods in 2018, respectively.

The increases of more than 100% and 72% in clinical and preclinical development expense in the three and nine months ended September 30, 2019 versus 2018, respectively, are primarily related to completed enrollment in our Phase 3 Pediatric (“PLAY”) clinical trial, ongoing enrollment in our Phase 4 Opioid Free C-Section (“CHOICE”) clinical trial, initial enrollment in our Phase 4 Spine (“FUSION”) clinical trial and start-up activities related to our Hip Fracture (“RESTORE”) clinical trials. In the three and nine month periods ended September 30, 2019 versus 2018, there was also an increase in costs related to investigator-initiated studies and toxicology studies.

Manufacturing and product development expense decreased 9% and 5% in the three and nine months ended September 30, 2019 versus 2018, respectively, primarily due to fewer development costs related to a significant scale-up of our manufacturing capacity for EXPAREL in an additional suite in Swindon, England in partnership with Thermo Fisher, partially offset by increased spend on EXPAREL support for in vitro release testing.

Regulatory and other expense increased 7% in the three months ended September 30, 2019 versus 2018 primarily as the result of our New Drug Submission to Health Canada. In the nine months ended September 30, 2019 versus 2018, a 41% increase was mostly the result of activities to support the dissemination and publication of EXPAREL data, as well as costs related to our MAA and Health Canada submissions for EXPAREL.

Stock-based compensation increased by 16% and 36% in the three and nine months ended September 30, 2019 versus the same respective periods in 2018, primarily due to an increase in personnel as well as the number of equity awards granted in both 2019 and the fourth quarter of 2018.

Selling, General and Administrative Expenses

Sales and marketing expenses primarily consist of compensation and benefits for our sales force and personnel that support our sales, marketing, medical and scientific affairs operations, commission payments to our marketing partners for the promotion and sale of EXPAREL and iovera°, expenses related to communicating the health outcome benefits of EXPAREL and educational programs for our customers. General and administrative expenses consist of compensation and benefits for legal, finance, regulatory activities related to approved products and indications, compliance, information technology, human resources, business development, executive management and other supporting personnel. It also includes professional fees for legal, audit, tax and consulting services. Stock-based compensation expense relates to the costs of stock option grants, RSU awards and our ESPP.

The following table provides information regarding our selling, general and administrative expenses during the periods indicated, including percent changes (dollar amounts in thousands):

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	Three Months Ended   September 30,						% Increase / (Decrease)	Nine Months Ended   September 30,						% Increase / (Decrease)
	2019			2018				2019			2018
Sales and marketing	$	31,913		$	27,354		17%	$	95,782		$	79,595		20%
General and administrative	11,511			11,018			4%	33,578			35,686			(6)%
Stock-based compensation	6,704			5,807			15%	17,199			17,338			(1)%
Total selling, general and administrative expense	$	50,128		$	44,179		13%	$	146,559		$	132,619		11%
% of total revenues	48		%	53		%		49		%	55		%

Total selling, general and administrative expenses increased 13% and 11% in the three and nine months ended September 30, 2019 versus 2018, respectively.

Sales and marketing expenses increased 17% and 20% in the three and nine months ended September 30, 2019 versus the same respective periods in 2018. The increases were driven by additional selling and promotional activities to support the growth of EXPAREL, including growing a team in the field consisting of account managers focused on the outpatient market, initiatives and commissions related to our co-promotion agreement with DePuy Synthes and additional marketing spend for the launch of ambulatory and dental reimbursement codes, which became effective on January 1, 2019. We are continuing our marketing investment in EXPAREL—including educational initiatives and programs related to the impact of opioids and postsurgical pain management and our national advocacy campaign designed to educate patients about non-opioid treatment options. Additionally, we began investing in marketing initiatives and customer outreach for iovera° as a result of the MyoScience Acquisition.

General and administrative expenses increased 4% and decreased 6% in the three and nine months ended September 30, 2019 versus the same periods in 2018, respectively. In the three months ended September 30, 2019 versus 2018, general and administrative expenses increased primarily due to additional administrative support related to CryoTech. In the nine months ended September 30, 2019 versus 2018, general and administrative expenses decreased primarily due to a decrease in legal, business development, and information technology expenditures, partially offset by the additional CryoTech expenditures.

Stock-based compensation increased 15% in the three months ended September 30, 2019 versus the same period in 2018, primarily due to an increase in personnel and the number of equity grants awarded. In the nine months ended September 30, 2019 versus 2018, stock-based compensation decreased 1%, primarily attributable to accelerated expense that occurred in the first quarter of 2018.

Amortization of Acquired Intangible Assets

The following table provides a summary of the amortization of acquired intangible assets during the periods indicated, including percent changes (dollar amounts in thousands):

	Three Months Ended   September 30,				% Increase / (Decrease)	Nine Months Ended   September 30,				% Increase / (Decrease)
	2019		2018			2019		2018
Amortization of acquired intangible assets	$	1,967	$	—	N/A	$	3,736	$	—	N/A

As part of the MyoScience Acquisition we acquired intangible assets consisting of developed technology and customer relationships, with estimated useful lives of 14 and 10 years, respectively. Beginning in the second quarter of 2019, these are being amortized on a straight-line basis. For more information, see Note 8, Goodwill and Intangible Assets, to our condensed consolidated financial statements included herein.

Acquisition-Related Charges and Product Discontinuation Expenses

The following table provides a summary of the costs related to the MyoScience Acquisition and our DepoCyt(e) discontinuation activities during the periods indicated, including percent changes (dollar amounts in thousands):

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	Three Months Ended   September 30,				% Increase / (Decrease)	Nine Months Ended   September 30,				% Increase / (Decrease)
	2019		2018			2019		2018
Acquisition-related charges	$	7,571	$	—	N/A	$	12,142	$	—	N/A
Product discontinuation	47		1,259		(96)%	124		1,511		(92)%
Total acquisition-related charges and product discontinuation, net	$	7,618	$	1,259	100% +	$	12,266	$	1,511	100% +

As part of the MyoScience Acquisition, we recognized charges of $7.6 million and $12.1 million in the three and nine months ended September 30, 2019, respectively. Of the total for the three and nine months ended September 30, 2019, $7.3 million reflected increases in the fair value of contingent consideration resulting from revised commercial forecasts (which are tied to future milestone payments). In the nine months ended September 30, 2019, $4.1 million represented advisory costs, including legal, financial, accounting and tax services. The additional $0.7 million represented separation costs and asset write-downs. We did not incur any acquisition-related charges in 2018.

In the three months ended September 30, 2019 and 2018, we recorded charges of less than $0.1 million and $1.3 million, respectively, related to the discontinuation of our DepoCyt(e) manufacturing activities for asset retirement obligations and other contract and exit costs. We recorded charges of $0.1 million and $1.5 million for these same activities during the nine months ended September 30, 2019 and 2018, respectively. Additionally, both the three and nine month periods ended September 30, 2018 included additional lease and facility costs due to the fact that we were not able to sub-lease the property due to the short amount of time remaining on our existing lease.

Other Income (Expense)

The following table provides the components of other income (expense) during the periods indicated, including percent changes (dollar amounts in thousands):

	Three Months Ended   September 30,						% Increase / (Decrease)	Nine Months Ended   September 30,						% Increase / (Decrease)
	2019			2018				2019			2018
Interest income	$	1,736		$	1,586		9%	$	5,709		$	4,493		27%
Interest expense	(5,940		)	(5,642		)	5%	(17,631		)	(16,195		)	9%
Other, net	(4,025		)	(694		)	100% +	(4,051		)	(699		)	100% +
Total other expense, net	$	(8,229	)	$	(4,750	)	73%	$	(15,973	)	$	(12,401	)	29%

Total other expense, net increased 73% and 29% in the three and nine months ended September 30, 2019 versus 2018, respectively, primarily due to a $5.4 million impairment of our equity investment in TELA Bio, Inc., or TELA Bio, from it having been deemed to be impaired when an offer was made to sell our shares in TELA Bio for an amount less than our carrying amount. There was also more amortization of the discount on our 2.375% convertible senior notes due 2022, or 2022 Notes, and the absence of capitalized interest related to the completion of our first manufacturing suite in Swindon, England in 2018. The increase in other expense, net was partially offset by an increase in interest income due to higher overall returns on our investments and other non-operating income in 2019 and a loss on an unexercised purchase option in TELA Bio which expired in September 2018.

Income Tax Expense (Benefit)

The following table provides information regarding our income tax expense during the periods indicated, including percent changes (dollar amounts in thousands):

	Three Months Ended   September 30,						% Increase / (Decrease)	Nine Months Ended   September 30,						% Increase / (Decrease)
	2019			2018				2019			2018
Income tax expense (benefit)	$	271		$	(62	)	N/A	$	(1,079	)	$	8		N/A
Effective tax rate	(5		)%	0		%		15		%	0		%

For the three months ended September 30, 2019 and 2018, we recorded income tax expense of $0.3 million and an income tax benefit of $0.1 million, respectively. For the nine months ended September 30, 2019 and 2018, we recorded an

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income tax benefit of $1.1 million and income tax expense of less than $0.1 million, respectively. The income tax benefit for the nine months ended September 30, 2019 is primarily related to the MyoScience Acquisition and a $1.8 million reduction in our valuation allowance on our deferred tax assets due to the MyoScience Acquisition, which was partially offset by state income taxes. Due to net operating losses, or NOLs, carried forward, and the repeal of the corporate minimum tax, no current federal income tax expense was recorded for 2018 or 2019. The utilization of our NOLs has not resulted in any deferred federal tax expense because there was a full valuation allowance recorded with respect to the NOLs.

Liquidity and Capital Resources

Since our inception in December 2006, we have devoted most of our cash resources to manufacturing, research and development and selling, general and administrative activities related to the development and commercialization of EXPAREL. We are highly dependent on the commercial success of EXPAREL, which we launched in April 2012. We have financed our operations primarily with cash generated from product sales, the proceeds from the sale of equity and debt securities, borrowings under prior debt facilities and collaborative licensing and milestone revenue. As of September 30, 2019, we had an accumulated deficit of $394.5 million, cash and cash equivalents, short-term and long-term investments of $336.2 million and working capital of $283.0 million. In April 2019, we acquired MyoScience for $119.0 million in cash and contingent milestone payments up to an aggregate of $100.0 million upon the achievement of certain regulatory and commercial milestones, of which up to $25.0 million may be payable in shares of our common stock if achieved in 2020. Refer to Note 4, MyoScience Acquisition, to our condensed consolidated financial statements for more information.

Summary of Cash Flows

The following table summarizes our cash flows from operating, investing and financing activities for the periods indicated (in thousands):

	Nine Months Ended   September 30,
Condensed Consolidated Statement of Cash Flows Data:	2019			2018
Net cash provided by (used in):
Operating activities	$	44,616		$	27,650
Investing activities	(97,693		)	143,739
Financing activities	5,690			5,426
Net (decrease) increase in cash and cash equivalents	$	(47,387	)	$	176,815

Operating Activities

During the nine months ended September 30, 2019, net cash provided by operating activities was $44.6 million compared to $27.7 million during the nine months ended September 30, 2018. The increase of $17.0 million was primarily attributable to a 23% increase in net product sales of EXPAREL. This increase was partially offset by increased sales commissions related to our co-promotion agreement with DePuy Synthes, costs to grow our sales and marketing teams focused on the outpatient market and the launch of ambulatory and dental reimbursement codes for EXPAREL (which became effective on January 1, 2019), transaction and other costs related to the MyoScience Acquisition and our subsequent investment in marketing initiatives to grow the reach of iovera°.

Investing Activities

During the nine months ended September 30, 2019, net cash used in investing activities was $97.7 million, which reflected cash used to fund the MyoScience Acquisition of $118.7 million (net of $1.3 million of cash acquired), purchases of fixed assets of $5.7 million, and an additional $1.6 million investment in TELA Bio, partially offset by $28.3 million of short-term and long-term investment maturities (net of purchases). Major fixed asset purchases included continuing expenditures for expanding our EXPAREL manufacturing capacity in Swindon, England in partnership with Thermo Fisher, and facility upgrades at our Science Center Campus in San Diego, California.

During the nine months ended September 30, 2018, net cash provided by investing activities was $143.7 million, which reflected $162.9 million of short-term and long-term investment maturities (net of purchases), partially offset by purchases of fixed assets of $12.3 million and contingent consideration payments of $6.8 million related to the March 2007 acquisition of the California operating subsidiary of Skyepharma Holding, Inc. (now a subsidiary of Vectura Group plc), or Skyepharma.

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Major fixed asset purchases included continuing expenditures for expanding our EXPAREL manufacturing capacity in Swindon, England in partnership with Patheon and facility upgrades at our Science Center Campus in San Diego, California.

Financing Activities

During the nine months ended September 30, 2019, net cash provided by financing activities was $5.7 million, which consisted of proceeds from the exercise of stock options of $5.0 million and $1.3 million from the issuance of shares through our ESPP, partially offset by $0.6 million of payments made to retire our 3.25% convertible senior notes due 2019.

During the nine months ended September 30, 2018, net cash provided by financing activities was $5.4 million, which consisted of proceeds from the exercise of stock options of $4.5 million and $1.0 million from the issuance of shares under our ESPP.

2022 Convertible Senior Notes

On March 13, 2017, we completed a private placement of $345.0 million in aggregate principal amount of our 2022 Notes, and entered into an indenture, or 2022 Indenture, with respect to the 2022 Notes. The 2022 Notes accrue interest at a fixed rate of 2.375% per annum, payable semiannually in arrears on April 1 and October 1 of each year. The 2022 Notes mature on April 1, 2022. At September 30, 2019, the outstanding principal on the 2022 Notes was $345.0 million.

On or after October 1, 2021, until the close of business on the second scheduled trading day immediately preceding April 1, 2022, holders may convert their 2022 Notes at any time. Upon conversion, holders will receive the principal amount of their 2022 Notes and any excess conversion value. For both the principal and excess conversion value, holders may receive cash, shares of our common stock or a combination of cash and shares of our common stock, at our option. The initial conversion rate for the 2022 Notes is 14.9491 shares of common stock per $1,000 principal amount, which is equivalent to an initial conversion price of approximately $66.89 per share of our common stock. The conversion rate will be subject to adjustment in some events but will not be adjusted for any accrued and unpaid interest.

Prior to the close of business on the business day immediately preceding October 1, 2021, holders may convert the 2022 Notes under certain circumstances, including if during any given calendar quarter, our stock price closes at or above 130% of the conversion price then applicable during a period of at least 20 out of the last 30 consecutive trading days of the previous quarter.

While the 2022 Notes are currently classified on our consolidated balance sheet at September 30, 2019 as long-term debt, the future convertibility and resulting balance sheet classification of this liability will be monitored at each quarterly reporting date and will be analyzed dependent upon market prices of our common stock during the prescribed measurement periods. In the event that the holders of the 2022 Notes have the right to convert the 2022 Notes at any time during the prescribed measurement period, the 2022 Notes would then be considered a current obligation and classified as such.

Prior to April 1, 2020, we may not redeem the 2022 Notes. On or after April 1, 2020, we may redeem for cash, shares of our common stock or a combination of cash and shares of our common stock, at our option, all or part of the 2022 Notes if the last reported sale price (as defined in the 2022 Indenture) of our common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading-day period ending within five trading days prior to the date on which we provide notice of redemption.

See Note 9, Debt, to our condensed consolidated financial statements included herein for further discussion of the 2022 Notes and our other indebtedness.

Future Capital Requirements

We believe that our existing cash and cash equivalents, short-term and long-term investments and cash received from product sales will be sufficient to enable us to fund our operating expenses, capital expenditure requirements, payment of the principal on any conversions of our 2022 Notes and to service our indebtedness through at least November 7, 2020. Our future use of operating cash and capital requirements will depend on many forward-looking factors, including, but not limited to, the following:

• our ability to successfully continue to expand the commercialization of EXPAREL, including outside of the U.S.;

• the costs of successfully integrating MyoScience (now known as Pacira CryoTech) into our existing business and expanding the commercialization of iovera°;

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• the cost and timing of additional expansion of our manufacturing facilities for EXPAREL and other product candidates, including the construction of an additional manufacturing suite at Thermo Fisher’s facility in Swindon, England;

• the cost and timing of potential milestone payments to MyoScience security holders, which could be up to an aggregate of $100.0 million if certain regulatory and commercial milestones are met;

• the cost and timing of potential milestone payments to Skyepharma, which could be up to an aggregate of $36.0 million if certain milestones pertaining to net sales of DepoBupivacaine products, including EXPAREL, are met, or upon the first commercial sale in a major E.U. country;

• the timing of and extent to which the holders of our 2022 Notes elect to convert their notes;

• costs related to legal and regulatory issues;

• the costs of performing additional clinical trials for EXPAREL, including the pediatric trials required by the FDA as a condition of approval;

• the costs of performing additional clinical trials for iovera°;

• the costs for the development and commercialization of other product candidates; and

• the extent to which we acquire or invest in products, businesses and technologies.

We may require additional debt or equity financing to meet our future operating and capital requirements. We have no committed external sources of funds, and additional equity or debt financing may not be available on acceptable terms, if at all.

Off-Balance Sheet Arrangements

Other than three lease agreements for which there are future obligations but the leases have not yet commenced, we do not have any material off-balance sheet arrangements as of September 30, 2019, nor do we have any relationships with unconsolidated entities or financial partnerships, such as entities often referred to as structured finance or special purpose entities.

Critical Accounting Policies and Use of Estimates

See Note 2, Summary of Significant Accounting Policies, to our condensed consolidated financial statements included herein for a discussion of recently issued accounting pronouncements and their impact or future potential impact on our financial results, if determinable. For a description of critical accounting policies that affect our significant judgments and estimates used in the preparation of our consolidated financial statements, refer to our most recent Annual Report on Form 10-K for the year ended December 31, 2018.

Valuation of Acquired Intangible Assets and Goodwill

We recognize acquired intangible assets and goodwill as part of an acquisition accounted for as a business combination. Intangible assets acquired are identified and then recognized based on their fair values as of the acquisition date. Discounted cash flow models have been used to measure their fair values, which require the use of significant estimates and assumptions including but not limited to:

• projecting regulatory approvals and specified levels of Medicare reimbursements;

• estimating future cash flows from product sales and the costs to manufacture those products; and

• estimating the discount rates.

Goodwill represents the excess of consideration transferred over the fair value of the net assets acquired in a business combination accounted for by the acquisition method of accounting and is not amortized, but is subject to impairment testing. We test our goodwill for impairment at least annually or when a triggering event occurs that may indicate a potential impairment by assessing qualitative factors or performing quantitative analysis in determining whether it is more likely than not that the fair value of net assets are below their carrying amounts.

Valuation of Contingent Consideration

We record contingent consideration resulting from a business combination at its fair value on the acquisition date. Subsequently, we re-value the contingent consideration and record any increases or decreases as an adjustment to income (loss) from operations in the condensed consolidated statements of operations. Changes to contingent consideration can result from changes in the assumed achievement and timing of estimated sales, costs of goods sold and regulatory approvals. The

39

assumptions in determining the value of contingent consideration include a significant amount of judgment and any changes in the assumptions could have a material impact on income (loss) from operations in a given period.

Contractual Obligations

Except as discussed in Note 7, Leases, there are no material changes in our contractual obligations relating to our indebtedness, lease obligations and purchase obligations from those reported in our Annual Report on Form 10-K for the year ended December 31, 2018. For more information on our contractual obligations and commercial commitments, see Part II, Item 7 in our Annual Report on Form 10-K for the year ended December 31, 2018.

As discussed above with the MyoScience Acquisition, under the definitive agreement and plan of merger, MyoScience security holders will be eligible to receive up to an additional $100.0 million in contingent payments upon the achievement of certain regulatory and commercial milestones. Refer to Note 4, MyoScience Acquisition, for more information.

Item 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The primary objective of our cash equivalents and investment activities is to preserve principal while at the same time maximizing the income that we receive from our investments without significantly increasing risk. We invest in corporate bonds, commercial paper and asset-backed securities, which are reported at fair value. These securities are subject to interest rate risk. This means that a change in prevailing interest rates may cause the principal amount of the investment to fluctuate. For example, if we hold a security that was issued with a fixed interest rate at the then-prevailing rate and the interest rate later rises, we expect that the fair value of our investment will decline. A hypothetical 100 basis point increase in interest rates would have reduced the fair value of our available-for-sale securities at September 30, 2019 by approximately $1.6 million.

In March 2017, we issued $345.0 million in aggregate principal amount of our 2022 Notes, which mature in April 2022. Holders may convert their 2022 Notes prior to maturity under certain circumstances. Upon conversion, holders will receive the principal amount of the 2022 Notes and any excess conversion value in cash, shares of our common stock or a combination of cash and shares, at our option. The fair value of the 2022 Notes is impacted by both the fair value of our common stock and interest rate fluctuations. As of September 30, 2019, the estimated fair value of the 2022 Notes was $987 per $1,000 principal amount. See Note 9, Debt, for further discussion of the 2022 Notes. At September 30, 2019, all $345.0 million of principal remains outstanding on the 2022 Notes.

Additionally, our accounts receivable are concentrated with three large regional wholesalers of pharmaceutical products. In the event of non-performance or non-payment, there may be a material adverse impact on our financial condition, results of operations or net cash flow.

Item 4. CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

As required by Rule 13a-15(b) under the Exchange Act, our management, including our Chief Executive Officer and Chairman and our Chief Financial Officer, conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures as of the end of the period covered by this report. As defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, disclosure controls and procedures are controls and other procedures which are designed to ensure that information required to be disclosed by us in the reports we file or submit under the Exchange Act is recorded, processed, summarized and reported, within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and procedures designed to ensure that information required to be disclosed by us in the reports we file or submit under the Exchange Act is accumulated and communicated to our management, including our Chief Executive Officer and Chairman and our Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure.

On April 9, 2019, we acquired MyoScience (now CryoTech). As such, the scope of our assessment of the effectiveness of our disclosure controls and procedures did not include the internal control over financial reporting of CryoTech. These exclusions are consistent with the SEC Staff’s guidance that an assessment of a recently acquired business may be omitted from the scope of our assessment of the effectiveness of disclosure controls and procedures that are also part of internal control over financial reporting in the 12 months following the acquisition. CryoTech accounted for 19% of our total assets and 2% of our total revenue as of and for the nine months ended September 30, 2019.

Based on that evaluation, our Chief Executive Officer and Chairman and our Chief Financial Officer concluded that our disclosure controls and procedures were effective as of September 30, 2019.

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Changes in Internal Control over Financial Reporting

As a result of the MyoScience Acquisition, we have commenced a project to evaluate the processes and procedures of CryoTech’s internal control over financial reporting and incorporate CryoTech’s internal control over financial reporting into our internal control over financial reporting framework. In addition, as a result of the MyoScience Acquisition, we have implemented new processes and controls over accounting for an acquisition, including determining the fair value of the assets acquired, liabilities assumed and adjustments to the fair value of contingent consideration. Except for the activities described above, there have been no changes in our internal control over financial reporting that occurred during the quarter ended September 30, 2019 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Inherent Limitations on Effectiveness of Controls

Our management, including the Chief Executive Officer and Chairman and our Chief Financial Officer, does not expect that our disclosure controls or our internal control over financial reporting will prevent or detect all errors and all fraud. A control system, no matter how well designed and operated, can provide only reasonable, not absolute, assurance that the control system’s objectives will be met. The design of a control system must reflect the fact that there are resource constraints, and the benefits of controls must be considered relative to their costs. Further, because of the inherent limitations in all control systems, no evaluation of controls can provide absolute assurance that misstatements due to error or fraud will not occur or that all control issues and instances of fraud, if any, within our company have been detected. These inherent limitations include the realities that judgments in decision-making can be faulty and that breakdowns can occur because of simple error or mistake. Controls can also be circumvented by the individual acts of some persons, by collusion of two or more people or by management override of the controls. The design of any system of controls is based in part on certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions. Projections of any evaluation of controls effectiveness to future periods are subject to risks. Over time, controls may become inadequate because of changes in conditions or deterioration in the degree of compliance with policies or procedures.

PART II — OTHER INFORMATION

Item 1. LEGAL PROCEEDINGS

From time to time, we have been and may again become involved in legal proceedings arising in the ordinary course of our business. Except as described below, we are not presently a party to any litigation or legal proceedings that we believe to be material and we are not aware of any pending or threatened litigation against us that we believe could have a material adverse effect on our business, operating results, financial condition or cash flows.

In April 2015, we received a subpoena from the U.S. Department of Justice, U.S. Attorney’s Office for the District of New Jersey, requiring the production of a broad range of documents pertaining to marketing and promotional practices related to EXPAREL. We are cooperating with the government’s inquiry. We can make no assurances as to the time or resources that will need to be devoted to this inquiry or its final outcome, or the impact, if any, of this inquiry or any proceedings on our business, financial condition, results of operations and cash flows.

Item 1A. RISK FACTORS

You should carefully consider the factors discussed in Part I, Item 1A. “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2018, which could materially affect our business, financial condition, cash flows or future results. Except as set forth below, there have been no material changes in our risk factors included in our Annual Report on Form 10-K for the year ended December 31, 2018. The risks described in our Annual Report on Form 10-K for the year ended December 31, 2018 are not the only risks facing our company. Additional risks and uncertainties not currently known to us or that we currently deem to be immaterial also may materially adversely affect our business, financial condition or future results.

We may be unable to successfully integrate the business and personnel of MyoScience, and may not realize the anticipated synergies and benefits of such acquisition.

We completed the acquisition of MyoScience on April 9, 2019. We may not realize the expected benefits from such acquisition because of integration difficulties or other challenges.

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The success of the MyoScience Acquisition will depend, in part, on our ability to realize all or some of the anticipated synergies and other benefits from integrating the business with our existing business. The integration process may be complex, costly and time-consuming. The potential difficulties we may face in integrating the operations of MyoScience include, among others:

• failure to successfully implement our business plans for the combined business;

• unexpected losses of key employees, customers or suppliers, and the complexities associated with integrating personnel from another company;

• unanticipated issues in conforming MyoScience’s standards, processes, procedures and controls with our operations;

• coordinating new product and process development;

• increasing the scope, geographic diversity and complexity of our operations;

• diversion of management’s attention from other business concerns;

• adverse effects on our or MyoScience’s existing business relationships;

• unanticipated changes in applicable laws and regulations;

• unanticipated expenses and liabilities associated with the acquisition of MyoScience; and

• other difficulties in the assimilation of MyoScience operations, technologies, products and systems.

Any acquired companies and businesses may have unanticipated or larger than anticipated liabilities for patent and trademark infringement claims, violations of laws, commercial disputes, taxes and other known and unknown types of liabilities. There may be liabilities that we underestimated or did not discover in the course of performing our due diligence investigation.

If we experience difficulties with the integration process or if the business of MyoScience deteriorates, the anticipated cost savings, growth opportunities and other synergies of the MyoScience Acquisition may not be realized fully or at all, or may take longer to realize than expected. If any of the above risks occur, our business, financial condition, results of operations and cash flows may be materially and adversely impacted, we may fail to meet the expectations of investors or analysts and our stock price may decline as a result.

Item 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

None.

Item 3. DEFAULTS UPON SENIOR SECURITIES

None.

Item 4. MINE SAFETY DISCLOSURES

 Not applicable.

Item 5. OTHER INFORMATION

Not applicable.

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Item 6. EXHIBITS

The exhibits listed below are filed or furnished as part of this report.

Exhibit Number	Description
31.1	Certification of Chief Executive Officer and Chairman pursuant to Rule 13a-14(a) and 15d-14(a), as amended.*
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14(a) and 15d-14(a), as amended.*
32.1	Certification of Chief Executive Officer and Chairman and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.**
101	The following materials from the Quarterly Report on Form 10-Q of Pacira BioSciences, Inc. for the quarter ended September 30, 2019, formatted in iXBRL (Inline eXtensible Business Reporting Language): (i) the Condensed Consolidated Balance Sheets; (ii) the Condensed Consolidated Statements of Operations; (iii) the Condensed Consolidated Statements of Comprehensive Loss; (iv) the Condensed Consolidated Statements of Stockholders’ Equity; (v) the Condensed Consolidated Statements of Cash Flows; and (vi) the Condensed Notes to Consolidated Financial Statements.*
104	Cover Page Interactive Data File (Formatted as Inline XBRL and contained in Exhibit 101).

*                                     Filed herewith.

**                              Furnished herewith.

†    Denotes management contract or compensatory plan or arrangement.

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		PACIRA BIOSCIENCES, INC. (REGISTRANT)
Dated:	November 7, 2019	/s/ DAVID STACK
		David Stack
		Chief Executive Officer and Chairman
		(Principal Executive Officer)
Dated:	November 7, 2019	/s/ CHARLES A. REINHART, III
		Charles A. Reinhart, III
		Chief Financial Officer
		(Principal Financial Officer)

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, David Stack, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Pacira BioSciences, Inc. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:	November 7, 2019	/s/ DAVID STACK
		David Stack
		Chief Executive Officer and Chairman
		(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Charles A. Reinhart, III, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Pacira BioSciences, Inc. (the “Registrant”);

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the Registrant as of, and for, the periods presented in this report;

4. The Registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the Registrant and have:

(a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the Registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

(b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

(c) evaluated the effectiveness of the Registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

(d) disclosed in this report any change in the Registrant’s internal control over financial reporting that occurred during the Registrant’s most recent fiscal quarter (the Registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the Registrant’s internal control over financial reporting; and

5. The Registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the Registrant’s auditors and the audit committee of the Registrant’s board of directors (or persons performing the equivalent functions):

(a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the Registrant’s ability to record, process, summarize and report financial information; and

(b) any fraud, whether or not material, that involves management or other employees who have a significant role in the Registrant’s internal control over financial reporting.

Date:	November 7, 2019	/s/ CHARLES A. REINHART, III
		Charles A. Reinhart, III
		Chief Financial Officer
		(Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. §1350

Pursuant to 18 U.S.C. §1350, the undersigned certifies that this Quarterly Report on Form 10-Q of Pacira BioSciences, Inc. for the quarter ended September 30, 2019, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in this report fairly presents, in all material respects, the financial condition and results of operations of Pacira BioSciences, Inc.

Date:	November 7, 2019	/s/ DAVID STACK
		David Stack
		Chief Executive Officer and Chairman
		(Principal Executive Officer)

Date:	November 7, 2019	/s/ CHARLES A. REINHART, III
		Charles A. Reinhart, III
		Chief Financial Officer
		(Principal Financial Officer)

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LEASES

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

LEASES

LEASES

The Company leases its EXPAREL manufacturing, research and development, warehouse and former DepoCyt(e) manufacturing facilities in San Diego, California, its iovera° manufacturing, research and development and warehouse facility in Fremont, California and its corporate headquarters in Parsippany, New Jersey. These leases have remaining terms between one year and eleven years, some of which provide renewal options at the then-current market value, along with one that contains the right to terminate the lease after four years. The Company also has a lease with Thermo Fisher Scientific Pharma Services (“Thermo Fisher”) (formerly Patheon UK Limited), for the use of their facility in Swindon, England, which is embedded in agreements the Company has with Thermo Fisher. A portion of the associated monthly base fees has been allocated to the lease component based on a relative fair value basis.

The Company’s facility in Fremont, California, is dedicated to the iovera° product line and consists of approximately 20,000 square feet of mixed use manufacturing, research and development and office space. For a description of the Company’s other material properties, refer to its Annual Report on Form 10-K for the year ended December 31, 2018.

The operating lease costs for the facilities include lease and non-lease components, such as common area maintenance and other common operating expenses, along with executory costs such as insurance and real estate taxes. Total operating lease costs are as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
Operating Lease Costs	2019		2018		2019		2018
Fixed lease costs	$	1,585	$	2,659	4,544		5,750
Variable lease costs	403		495		1,233		1,305
Total	$	1,988	$	3,154	$	5,777	$	7,055

Supplemental cash flow information related to operating leases is as follows (in thousands):

	Nine Months Ended
	September 30, 2019
Cash paid for operating lease liabilities, net of lease incentive	$	5,247
Right-of-use assets recorded in exchange for lease obligations	$	38,419

The Company has elected to net the amortization of the ROU asset and the reduction of the lease liability principal in accrued expenses in the condensed consolidated statement of cash flows.

The Company has measured its operating lease liabilities at an estimated discount rate in which it could borrow on a collateralized basis over the remaining term for each operating lease. The weighted average remaining lease term and the weighted average discount rate are summarized as follows:

	September 30, 2019
Weighted average remaining lease term	9.66 years
Weighted average discount rate	7.62%

Maturities of the Company’s operating lease liabilities are as follows (in thousands):

Year	Aggregate Minimum Payments Due
2019 (remaining three months)	$	2,039
2020	7,662
2021	5,359
2022	5,486
2023	5,616
2024 through 2030	37,208
Total lease payments	63,370
Less: imputed interest	(19,445		)
Total operating lease liabilities	$	43,925

The Company has entered into three lease agreements (not included in the table above) for which there are future obligations but the leases have not yet commenced as of September 30, 2019 (in thousands):

Year	Aggregate Minimum Payments Due
2019 (remaining three months)	$	27
2020	2,607
2021	4,878
2022	4,937
2023	5,081
2024 through 2030	35,848
Total future lease payments	$	53,378

As of December 31, 2018, aggregate annual minimum payments due under the Company’s lease obligations were as follows (in thousands):

Year	Aggregate Minimum Payments Due
2019	$	8,140
2020	7,621
2021	5,295
2022	5,417
2023	5,543
2024 through 2030	14,329
Total	$	46,345

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REVENUE

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

REVENUE

REVENUE

Revenue from Contracts with Customers

The Company’s sources of revenue include (i) sales of EXPAREL/bupivacaine liposome injectable suspension in the United States, or U.S.; (ii) sales of iovera° in the U.S.; (iii) royalties based on sales of its bupivacaine liposome injectable suspension product for use in animals and (iv) license fees and milestone payments. The majority of the Company’s revenue is derived from net product sales of EXPAREL. As such, the following disclosure only relates to revenue associated with net EXPAREL product sales.

Net Product Sales

The Company sells EXPAREL through a drop-ship program under which orders are processed through wholesalers based on orders of the product placed by end-users which include hospitals, ambulatory surgery centers and doctors. EXPAREL is delivered directly to the end-user without the wholesaler ever taking physical possession of the product. Product revenue is recognized when control of the promised goods are transferred to the customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for transferring those goods. EXPAREL revenue is recorded at the time the product is delivered to the end-user.

Revenues from sales of products are recorded net of returns allowances, prompt payment discounts, wholesaler service fees, volume rebates and chargebacks. These reserves are based on estimates of the amounts earned or to be claimed on the related sales. These amounts are treated as variable consideration, estimated and recognized as a reduction of the transaction price at the time of the sale, using the most likely amount method for the gross to net adjustments, except for returns, which is based on the expected value method. The Company includes these estimated amounts in the transaction price to the extent it is probable that a significant reversal of cumulative revenue recognized for such transaction will not occur, or when the uncertainty associated with the variable consideration is resolved. The calculation of some of these items requires management to make estimates based on sales data, historical return data, contracts and other related information that may become known in the future. The adequacy of these provisions is reviewed on a quarterly basis.

Accounts Receivable

The majority of accounts receivable arise from product sales and represent amounts due from wholesalers, hospitals, ambulatory surgery centers and doctors. Payment terms generally range from zero to 37 days from the date of the transaction, and accordingly, there is no significant financing component.

Performance Obligations

A performance obligation is a promise in a contract to transfer a distinct good or service to the customer and is the unit of account in ASC 606. A contract’s transaction price is allocated to each distinct performance obligation and recognized as revenue when, or as, the performance obligation is satisfied.

At contract inception, the Company assesses the goods promised in its contracts with customers and identifies a performance obligation for each promise to transfer to the customer a good that is distinct. When identifying individual performance obligations, the Company considers all goods promised in the contract regardless of whether explicitly stated in the customer contract or implied by customary business practices. The Company’s contracts with customers require it to transfer an individual distinct product, which represents a single performance obligation. The Company’s performance obligation with respect to its product sales is satisfied at a point in time, which transfers control upon delivery of EXPAREL to its customers. The Company considers control to have transferred upon delivery because the customer has legal title to the asset, physical possession of the asset has been transferred, the customer has significant risks and rewards of ownership of the asset and the Company has a present right to payment at that time.

Disaggregated Revenue

The following table represents disaggregated net product sales in the periods presented as follows (in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
Net Product Sales	2019		2018		2019		2018
EXPAREL / bupivacaine liposome injectable suspension	$	101,711	$	82,708	$	292,406	$	237,713
iovera°	2,639		—		4,674		—
Total net product sales	$	104,350	$	82,708	$	297,080	$	237,713

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STOCK PLANS

9 Months Ended

Sep. 30, 2019

Stockholders' Equity Note [Abstract]

STOCK PLANS

STOCK PLANS

Stock Incentive Plans

In June 2019, the Company’s stockholders approved the Amended and Restated 2011 Stock Incentive Plan, or 2011 Plan. The 2011 Plan was amended to increase the number of shares of common stock authorized for issuance as equity awards under the plan by 3,000,000 shares.

Stock-Based Compensation

The Company recognized stock-based compensation expense in the periods presented as follows (in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
	2019		2018		2019		2018
Cost of goods sold	$	1,243	$	1,179	$	3,490	$	3,431
Research and development	1,297		1,122		3,772		2,770
Selling, general and administrative	6,704		5,807		17,199		17,338
Total	$	9,244	$	8,108	$	24,461	$	23,539
Stock-based compensation from:
Stock options (employee awards)	$	6,257	$	5,270	$	16,509	$	16,452
Stock options (consultant awards)	161		209		408		449
Restricted stock units (employee awards)	2,639		2,479		6,950		6,088
Employee stock purchase plan	187		150		594		550
Total	$	9,244	$	8,108	$	24,461	$	23,539

Equity Awards

The following tables contain information about the Company’s stock option and restricted stock unit, or RSU, activity for the nine months ended September 30, 2019:

Stock Options	Number of Options		Weighted Average Exercise Price
Outstanding at December 31, 2018	5,722,818		$	41.69
Granted	1,792,978		42.81
Exercised	(251,169	)	19.88
Forfeited	(258,353	)	41.51
Expired	(125,316	)	59.20
Outstanding at September 30, 2019	6,880,958		42.46

Restricted Stock Units	Number of Units		Weighted Average Grant Date Fair Value
Unvested at December 31, 2018	577,964		$	42.14
Granted	303,168		43.57
Vested	(190,586	)	45.56
Forfeited	(49,611	)	41.04
Unvested at September 30, 2019	640,935		41.88

The weighted average fair value of stock options granted during the nine months ended September 30, 2019 was $20.97 per share. The fair values of stock options granted were estimated using the Black-Scholes option valuation model with the following weighted average assumptions:

Black-Scholes Weighted Average Assumption	Nine Months Ended September 30, 2019
Expected dividend yield	None
Risk-free interest rate	2.02%
Expected volatility	53.88%
Expected term of options	5.22 years

Employee Stock Purchase Plan

The Company’s 2014 Employee Stock Purchase Plan, or ESPP, features two six-month offering periods per year, running from January 1 to June 30 and July 1 to December 31. Under the ESPP, employees may elect to contribute after-tax earnings to purchase shares at 85% of the closing fair market value of the Company’s common stock on either the offering date or the purchase date, whichever is less. During the nine months ended September 30, 2019, 35,766 shares were purchased and issued through the ESPP.

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DEBT (Tables)

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Schedule of composition of the Company's debt and financing obligations

The total debt composition of the 2022 Notes is as follows (in thousands):

	September 30,			December 31,
	2019			2018
2.375% convertible senior notes due 2022	$	345,000		$	345,000
Deferred financing costs	(4,577		)	(5,850		)
Discount on debt	(38,342		)	(48,558		)
Total debt, net of debt discount and deferred financing costs	$	302,081		$	290,592

Schedule of total interest expense recognized related to the Notes

The following table sets forth the total interest expense recognized in the periods presented (dollar amounts in thousands):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Contractual interest expense	$	2,048		$	2,051		$	6,146		$	6,153
Amortization of debt issuance costs	429			411			1,273			1,219
Amortization of debt discount	3,467			3,228			10,216			9,512
Capitalized interest (Note 6)	(4		)	(48		)	(4		)	(689		)
Total	$	5,940		$	5,642		$	17,631		$	16,195
Effective interest rate on convertible senior notes	7.81		%	7.81		%	7.81		%	7.81		%

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NET INCOME (LOSS) PER SHARE (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Schedule of computation of basic and diluted loss per share

The following table sets forth the computation of basic and diluted net loss per share for the three and nine months ended September 30, 2019 and 2018 (in thousands, except per share amounts):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(6,087	)	$	(640	)	$	(6,128	)	$	(8,756	)
Denominator:
Weighted average common shares outstanding—basic and diluted	41,645			40,995			41,423			40,833
Net loss per share:
Basic and diluted net loss per common share	$	(0.15	)	$	(0.02	)	$	(0.15	)	$	(0.21	)

Schedule of potential dilutive effect of the securities excluded from the calculation of diluted loss per share

The following outstanding stock options, RSUs and ESPP purchase options are antidilutive in the periods presented (in thousands):

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2019	2018	2019	2018
Weighted average number of stock options	5,443	5,988	4,816	5,392
Weighted average number of RSUs	266	618	154	528
Weighted average ESPP purchase options	33	29	23	32
Total	5,742	6,635	4,993	5,952

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GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization of acquired intangible assets	$ 1,967,000	$ 0	$ 3,736,000	$ 0
Gross Carrying Value	110,090,000		110,090,000
Accumulated Amortization	(3,736,000)		(3,736,000)
Intangible Assets, Net	106,354,000		106,354,000
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	110,000,000		110,000,000
Accumulated Amortization	(3,732,000)		(3,732,000)
Intangible Assets, Net	106,268,000		$ 106,268,000
Estimated Useful Life			14 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	90,000		$ 90,000
Accumulated Amortization	(4,000)		(4,000)
Intangible Assets, Net	$ 86,000		$ 86,000
Estimated Useful Life			10 years

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LEASES -Schedule of maturities of operating lease liabilities (lease not yet commenced) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($) contract
Leases [Abstract]
Number of leases not yet commenced | contract	3
2019 (remaining three months)	$ 27
2020	2,607
2021	4,878
2022	4,937
2023	5,081
2024 through 2030	35,848
Total future lease payments	$ 53,378

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INCOME TAXES INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Domestic	$ (3,234)	$ 1,839	$ 2,345	$ (7,382)
Foreign	(2,582)	(2,541)	(9,552)	(1,366)
Income (loss) before income taxes	(5,816)	(702)	(7,207)	(8,748)
Income Tax Expense (Benefit)	271	(62)	(1,079)	$ 8
Income tax expense (less than)		$ 100	(100)
Valuation allowance on deferred tax assets	$ 1,800		$ 1,800

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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Income	Convertible Senior Notes Due 2019	Convertible Senior Notes Due 2019 Additional Paid-In Capital
Increase (Decrease) in Stockholders' Equity
Cumulative effect adjustment of the adoption of Accounting Standards Updates | Accounting Standards Update 2018-07			$ (20)	$ 20
Balances (in shares) at Dec. 31, 2017		40,669,000
Balance at beginning of period at Dec. 31, 2017	$ 279,483	$ 41	669,032	(389,136)	$ (454)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		207,000
Exercise of stock options	4,474	$ 0	4,474
Vested restricted stock units (in shares)		150,000
Vested restricted stock units	0	$ 0
Shares issued under employee stock purchase plan (shares)		35,000
Shares issued under employee stock purchase plan	952		952
Stock-based compensation	23,539		23,539
Net unrealized gain (loss) on investments	213				213
Net loss	(8,756)			(8,756)
Balances (in shares) at Sep. 30, 2018		41,061,000
Balance at end of period at Sep. 30, 2018	301,266	$ 41	697,977	(396,511)	(241)
Balances (in shares) at Jun. 30, 2018		40,955,000
Balance at beginning of period at Jun. 30, 2018	290,513	$ 41	686,888	(395,871)	(545)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		104,000
Exercise of stock options	2,981		2,981
Vested restricted stock units (in shares)		2,000
Vested restricted stock units	0
Stock-based compensation	8,108		8,108
Net unrealized gain (loss) on investments	304				304
Net loss	(640)			(640)
Balances (in shares) at Sep. 30, 2018		41,061,000
Balance at end of period at Sep. 30, 2018	301,266	$ 41	697,977	(396,511)	(241)
Balances (in shares) at Dec. 31, 2018		41,223,000
Balance at beginning of period at Dec. 31, 2018	321,226	$ 41	709,691	(388,226)	(280)
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		251,000
Exercise of stock options	4,995	$ 1	4,994
Vested restricted stock units (in shares)		190,000
Vested restricted stock units	$ 0	$ 0
Shares issued under employee stock purchase plan (shares)	35,766	36,000
Shares issued under employee stock purchase plan	$ 1,270		1,270
Stock-based compensation	24,461		24,461
Retirement of equity component of 2019 convertible senior notes						$ (233)	$ (233)
Net unrealized gain (loss) on investments	727				727
Net loss	(6,128)			(6,128)
Balances (in shares) at Sep. 30, 2019		41,700,000
Balance at end of period at Sep. 30, 2019	346,162	$ 42	740,183	(394,510)	447
Balances (in shares) at Jun. 30, 2019		41,606,000
Balance at beginning of period at Jun. 30, 2019	341,650	$ 42	729,531	(388,423)	500
Increase (Decrease) in Stockholders' Equity
Exercise of stock options (in shares)		92,000
Exercise of stock options	1,408		1,408
Vested restricted stock units (in shares)		2,000
Vested restricted stock units	0	$ 0
Stock-based compensation	9,244		9,244
Net unrealized gain (loss) on investments	(53)				(53)
Net loss	(6,087)			(6,087)
Balances (in shares) at Sep. 30, 2019		41,700,000
Balance at end of period at Sep. 30, 2019	346,162	$ 42	$ 740,183	(394,510)	$ 447
Increase (Decrease) in Stockholders' Equity
Cumulative effect adjustment of the adoption of Accounting Standards Updates	(156)			(156)
Cumulative effect adjustment of the adoption of Accounting Standards Updates | Accounting Standards Update 2014-09	$ 1,361			$ 1,361

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REVENUE (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Disaggregation of Revenue [Line Items]
Total net product sales	$ 104,350	$ 82,708	$ 297,080	$ 237,713
EXPAREL/bupivacaine liposome injectable suspension [Member]
Disaggregation of Revenue [Line Items]
Total net product sales	101,711	82,708	292,406	237,713
iovera°
Disaggregation of Revenue [Line Items]
Total net product sales	$ 2,639	$ 0	$ 4,674	$ 0
Minimum
Disaggregation of Revenue [Line Items]
Accounts Receivable, Additional Narrative Disclosure			P0D
Maximum
Disaggregation of Revenue [Line Items]
Accounts Receivable, Additional Narrative Disclosure			P37D

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INVENTORIES (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Raw materials	$ 18,798	$ 19,193
Work-in-process	17,472	9,711
Finished goods	23,968	19,665
Total	60,238	$ 48,569
Maximum [Member]
Inventory Valuation Reserves	$ 10,500

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CONSOLIDATED BALANCE SHEETS - USD ($)	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 85,139,000	$ 132,526,000
Short-term investments	180,505,000	250,928,000
Accounts receivable, net	42,573,000	38,000,000
Inventories, net	60,238,000	48,569,000
Prepaid expenses and other current assets	10,392,000	7,946,000
Total current assets	378,847,000	477,969,000
Long-term investments	70,577,000	25,871,000
Fixed assets, net	104,856,000	108,670,000
Right-of-use assets, net	35,756,000	0
Goodwill	99,547,000	62,040,000
Intangible assets, net	106,354,000	0
Equity investment and other assets	11,552,000	14,803,000
Total assets	807,489,000	689,353,000
Current liabilities:
Accounts payable	16,064,000	14,368,000
Accrued expenses	61,002,000	45,865,000
Lease liabilities	5,043,000	0
Convertible senior notes	0	338,000
Contingent consideration	13,591,000	0
Income taxes payable	138,000	90,000
Total current liabilities	95,838,000	60,661,000
Convertible senior notes	302,081,000	290,592,000
Lease liabilities	38,882,000	0
Contingent consideration	22,206,000	0
Other liabilities	2,320,000	16,874,000
Total liabilities	461,327,000	368,127,000
Commitments and contingencies (Note 16)
Stockholders’ equity:
Preferred stock, par value $0.001; 5,000,000 shares authorized; none issued and outstanding at September 30, 2019 and December 31, 2018	0	0
Common stock, par value $0.001; 250,000,000 shares authorized; 41,700,320 shares issued and outstanding at September 30, 2019; 41,222,799 shares issued and outstanding at December 31, 2018	42,000	41,000
Additional paid-in capital	740,183,000	709,691,000
Accumulated deficit	(394,510,000)	(388,226,000)
Accumulated other comprehensive income (loss)	447,000	(280,000)
Total stockholders’ equity	346,162,000	321,226,000
Total liabilities and stockholders’ equity	$ 807,489,000	$ 689,353,000

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FINANCIAL INSTRUMENTS (Details 4) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2019	Dec. 31, 2018
Fair Value Measurements
Unrealized Gain (Loss) on Investments	$ 5,400
Realized Investment Gains (Losses)	$ 900
Level 2
Fair Value Measurements
Cost		$ 250,635	$ 277,079
Gross Unrealized Gains		471	5
Gross Unrealized Losses		(24)	(285)
Fair Value		251,082	276,799
Short-term Investments | Level 2
Fair Value Measurements
Cost		180,105	251,197
Gross Unrealized Gains		400	0
Gross Unrealized Losses		0	(269)
Fair Value		180,505	250,928
Long-Term Investments | Level 2
Fair Value Measurements
Cost		70,530	25,882
Gross Unrealized Gains		71	5
Gross Unrealized Losses		(24)	(16)
Fair Value		70,577	25,871
Long-Term Investments | Asset-backed securities | Level 2
Fair Value Measurements
Cost		16,518	9,383
Gross Unrealized Gains		23	5
Gross Unrealized Losses		(7)	0
Fair Value		16,534	9,388
Long-Term Investments | Corporate bonds | Level 2
Fair Value Measurements
Cost		54,012	16,499
Gross Unrealized Gains		48	0
Gross Unrealized Losses		(17)	(16)
Fair Value		54,043	16,483
Short-term Investments | Asset-backed securities | Level 2
Fair Value Measurements
Cost		29,044	34,873
Gross Unrealized Gains		60	0
Gross Unrealized Losses		0	(33)
Fair Value		29,104	34,840
Short-term Investments | Commercial paper | Level 2
Fair Value Measurements
Cost		34,788	45,035
Gross Unrealized Gains		41	0
Gross Unrealized Losses		0	(30)
Fair Value		34,829	45,005
Short-term Investments | Corporate bonds | Level 2
Fair Value Measurements
Cost		116,273	171,289
Gross Unrealized Gains		299	0
Gross Unrealized Losses		0	(206)
Fair Value		$ 116,572	$ 171,083

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FINANCIAL INSTRUMENTS (Details)	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($) customer	Dec. 31, 2017 customer	Dec. 31, 2018 USD ($)
Concentration Risk [Line Items]
Investment in convertible preferred B shares					$ 14,100,000
Additional cash investments in TELA Bio's convertible preferred B shares	$ 1,600,000
Number of major customers | customer			3	3
Amount of allowance for doubtful accounts		$ 0	$ 0		$ 0
Acquisition-related contingent consideration		7,000,000.0	$ 7,000,000.0
Accounts receivable | Credit risk | Major customer one
Concentration Risk [Line Items]
Concentration risk (as a percent)			34.00%	32.00%
Accounts receivable | Credit risk | Major customer two
Concentration Risk [Line Items]
Concentration risk (as a percent)			30.00%	32.00%
Accounts receivable | Credit risk | Major customer three
Concentration Risk [Line Items]
Concentration risk (as a percent)			29.00%	29.00%
Myoscience Acquisition
Concentration Risk [Line Items]
Acquisition-related contingent consideration		35,800,000	$ 35,800,000
Change in fair value of the contingent consideration since acqusition		$ 7,300,000	$ 7,300,000
Remaining term of the milestone achievement period (in years)			4 years 3 months

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STOCKHOLDERS' EQUITY (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	$ (280)
Balance at end of period	447
Accumulated Net Unrealized Investment Gain (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance at beginning of period	(280)	$ (454)
Other comprehensive loss before reclassifications	727	213
Balance at end of period	447	(241)
Reclassification from AOCI, Current Period, Net of Tax, Attributable to Parent	$ 0	$ 0

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

9 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

Schedule of percentage of revenue comprised by the three largest customers (i.e. wholesalers or commercial partners)

The table below includes the percentage of revenue comprised by the Company’s three largest wholesalers in each period presented:

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2019	2018	2019	2018
Largest wholesaler	34%	34%	34%	34%
Second largest wholesaler	29%	30%	29%	30%
Third largest wholesaler	27%	26%	26%	26%
Total	90%	90%	89%	90%

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ACQUISITION-RELATED CHARGES AND PRODUCT DISCONTINUATION, NET

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

ACQUISITION-RELATED CHARGES AND PRODUCT DISCONTINUATION, NET

(e) Discontinuation

In June 2017, the Company’s board of directors approved the discontinuation of all future production of DepoCyt^® (U.S. and Canada) and DepoCyte^® (European Union) due to persistent technical issues specific to the DepoCyt(e) manufacturing process. As of June 30, 2017, the Company had ceased all production of DepoCyt(e). Cash payments related to the DepoCyt(e) manufacturing facility are expected to continue through the end of its lease term in August 2020.

In April 2018, the Company received formal notice of the termination of a Supply Agreement and a Distribution Agreement (and all related agreements as subsequently amended) from Mundipharma International Corporation Limited and Mundipharma Medical Company, respectively (collectively, “Mundipharma”). The Company is currently engaged in settlement discussions with Mundipharma.

Summary of Acquisition-Related Restructuring Activities and DepoCyt(e) Discontinuation Costs

At January 1, 2019, there was a balance sheet reclassification from the lease cost reserves related to the DepoCyt(e) discontinuation to lease liabilities in the amount of $1.5 million, recognized as part of the transition to the ASU 2016-02. See Note 2, Summary of Significant Accounting Policies, for more information. The Company’s acquisition-related restructuring and DepoCyt(e) discontinuation costs as of September 30, 2019 are summarized below (in thousands):

	Acquisition-Related Separation Costs			Acquisition-Related Asset Write-Downs			DepoCyt(e) Lease Costs			Asset Retirement Obligations, Other Restructuring and Discontinuation Costs			Total
Balance at December 31, 2018	$	—		$	—		$	1,970		$	282		$	2,252
Charges incurred	480			193			—			167			840
Cash payments made	(321		)	—			—			(307		)	(628		)
Other, including non-cash activity	—			(193		)	—			—			(193		)
Reclassifications	—			—			(1,970		)	455			(1,515		)
Balance at September 30, 2019	$	159		$	—		$	—		$	597		$	756

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating activities:
Net loss	$ (6,128,000)	$ (8,756,000)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation of fixed assets and amortization of intangible assets	14,486,000	9,114,000
Amortization of unfavorable lease obligation and debt issuance costs	1,273,000	1,186,000
Amortization of debt discount	10,216,000	9,512,000
Loss on disposal and impairment of fixed assets	998,000	10,000
Stock-based compensation	24,461,000	23,539,000
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	7,327,000	0
Loss on equity investment	(3,957,000)	(854,000)
Changes in operating assets and liabilities (net of MyoScience, Inc. acquisition):
Accounts receivable, net	(3,567,000)	(2,265,000)
Inventories, net	(9,967,000)	(3,473,000)
Prepaid expenses and other assets	(2,451,000)	(1,412,000)
Accounts payable	829,000	(1,400,000)
Accrued expenses and income taxes payable	4,004,000	(71,000)
Other liabilities	(822,000)	812,000
Net cash provided by operating activities	44,616,000	27,650,000
Investing activities:
Acquisition of MyoScience, Inc. (net of cash acquired)	(118,683,000)	0
Purchases of fixed assets	(5,662,000)	(12,271,000)
Purchases of investments	(220,091,000)	(182,750,000)
Sales of investments	248,365,000	345,602,000
Payment of contingent consideration	0	(6,842,000)
Equity Investment	(1,622,000)	0
Net cash (used in) provided by investing activities	(97,693,000)	143,739,000
Financing activities:
Proceeds from exercises of stock options	4,991,000	4,474,000
Proceeds from shares issued under employee stock purchase plan	1,270,000	952,000
Repayment of 2019 convertible senior notes	(338,000)	0
Conversion premium on convertible senior notes	(233,000)	0
Net cash provided by financing activities	5,690,000	5,426,000
Net (decrease) increase in cash and cash equivalents	(47,387,000)	176,815,000
Cash and cash equivalents, beginning of period	132,526,000	54,126,000
Cash and cash equivalents, end of period	85,139,000	230,941,000
Supplemental cash flow information:
Cash paid for interest	4,102,000	4,108,000
Income Taxes Paid, Net	702,000	146,000
Non-cash investing and financing activities:
Net increase in contingent consideration liabilities	28,470,000	0
Net increase (decrease) in accrued fixed assets	$ 1,663,000	$ (130,000)

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES New Accounting Pronouncements or change in Accounting Policy (Details) - USD ($) $ in Thousands	Jan. 01, 2019	Sep. 30, 2019	Dec. 31, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total operating lease liabilities		$ 43,925
ROU asset		$ 35,756	$ 0
Accounting Standards Update 2016-02
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Total operating lease liabilities	$ 36,500
ROU asset	27,600
Cumulative-effect adjustment to retained earnings	$ 200

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MYOSCIENCE ACQUISITION - Unaudited Pro Forma Summary of Operations (Details) - Myoscience Acquisition - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Total revenues	$ 84,916	$ 301,051	$ 245,721
Net income (loss)	$ (6,944)	$ (10,633)	$ (27,663)
Business Acquisition, Pro Forma Earnings Per Share, Basic And Diluted	$ (170)	$ (260)	$ (680)

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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	250,000,000	250,000,000
Common stock, shares issued	41,700,320	41,222,799
Common stock, shares outstanding	41,700,320	41,222,799
Treasury stock at cost, shares	0	0

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NET INCOME (LOSS) PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator for basic and diluted loss per share
Net loss	$ (6,087)	$ (640)	$ (6,128)	$ (8,756)
Denominator
Weighted average common shares outstanding (in shares)	41,645	40,995	41,423	40,833
Net loss per share:
Basic and diluted net income (loss) per common share (in USD per share)	$ (0.15)	$ (0.02)	$ (0.15)	$ (0.21)

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STOCK PLANS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-Based Compensation
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	3,000,000		3,000,000
Document Period End Date			Sep. 30, 2019
Stock-based compensation expense	$ 9,244	$ 8,108	$ 24,461	$ 23,539
Compensation expense from stock options, employees	6,257	5,270	16,509	16,452
Compensation expense from stock options, non-employee awards	161	209	408	449
Restricted Stock or Unit Expense	2,639	2,479	6,950	6,088
Compensation expense from employee stock purchase plan	187	150	594	550
Stock-based compensation	9,244	8,108	$ 24,461	23,539
Purchase price of common stock, ESPP (as a percent)			85.00%
Shares issued under employee stock purchase plan (shares)			35,766
Cost of goods sold
Share-Based Compensation
Stock-based compensation expense	1,243	1,179	$ 3,490	3,431
Research and development
Share-Based Compensation
Stock-based compensation expense	1,297	1,122	3,772	2,770
Selling, general and administrative
Share-Based Compensation
Stock-based compensation expense	$ 6,704	$ 5,807	$ 17,199	$ 17,338

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FINANCIAL INSTRUMENTS (Details 1) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	Mar. 13, 2017	Sep. 30, 2019	Mar. 07, 2017
Fair Value Measurements
Acquisition-related contingent consideration		$ 7,000
Closing sale price (in dollars per share)		$ 38.07
Convertible Senior Notes Due 2022
Fair Value Measurements
Closing sale price (in dollars per share)			$ 48.65
Initial conversion price of notes into common stock (in dollars per share)	$ 66.89
Convertible Senior Notes Due 2022 | Level 1
Fair Value Measurements
Convertible senior notes		$ 0
Convertible Senior Notes Due 2022 | Level 2
Fair Value Measurements
Convertible senior notes		340,472
Convertible Senior Notes Due 2022 | Level 3
Fair Value Measurements
Convertible senior notes		0
Convertible Senior Notes Due 2022 | Carrying Value
Fair Value Measurements
Convertible senior notes		302,081
Maximum | Convertible Senior Notes Due 2022
Fair Value Measurements
Debt Instrument, Convertible, Conversion Premium, Shares	5.2
Myoscience Acquisition
Fair Value Measurements
Acquisition-related contingent consideration		35,800
Myoscience Acquisition | Level 1
Fair Value Measurements
Acquisition-related contingent consideration		0
Myoscience Acquisition | Level 2
Fair Value Measurements
Acquisition-related contingent consideration		0
Myoscience Acquisition | Level 3
Fair Value Measurements
Acquisition-related contingent consideration		35,797
Myoscience Acquisition | Carrying Value
Fair Value Measurements
Acquisition-related contingent consideration		$ 35,797
Unsecured Debt | Convertible Senior Notes Due 2022
Fair Value Measurements
Stated interest rate (as a percent)	2.375%	2.375%

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REVENUE (Tables)

9 Months Ended

Sep. 30, 2019

Revenue from Contract with Customer [Abstract]

Disaggregated Revenue

The following table represents disaggregated net product sales in the periods presented as follows (in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
Net Product Sales	2019		2018		2019		2018
EXPAREL / bupivacaine liposome injectable suspension	$	101,711	$	82,708	$	292,406	$	237,713
iovera°	2,639		—		4,674		—
Total net product sales	$	104,350	$	82,708	$	297,080	$	237,713

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COMMITMENTS AND CONTINGENCIES

9 Months Ended

Sep. 30, 2019

Commitments and Contingencies Disclosure [Abstract]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

Litigation

From time to time, the Company has been and may again become involved in legal proceedings arising in the ordinary course of its business, including those related to patents, product liability and government investigations. Except as described below, the Company is not presently a party to any legal proceedings which it believes to be material, and is not aware of any pending or threatened litigation against the Company which it believes could have a material adverse effect on its business, operating results, financial condition or cash flows.

In April 2015, the Company received a subpoena from the U.S. Department of Justice, U.S. Attorney’s Office for the District of New Jersey, requiring the production of a broad range of documents pertaining to marketing and promotional practices related to EXPAREL. The Company is cooperating with the government’s inquiry. The Company can make no assurances as to the time or resources that will need to be devoted to this inquiry or its final outcome, or the impact, if any, of this inquiry or any proceedings on its business, financial condition, results of operations and cash flows.

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STOCKHOLDERS' EQUITY

9 Months Ended

Sep. 30, 2019

Stockholders' Equity Note [Abstract]

Stockholders' Equity

STOCKHOLDERS’ EQUITY

Accumulated Other Comprehensive Income (Loss)

The following table illustrates the changes in the balances of the Company’s accumulated other comprehensive income (loss) for the periods presented (in thousands):

	Nine Months Ended   September 30,
Net unrealized gains (losses) from available for sale investments:	2019			2018
Balance at beginning of period	$	(280	)	$	(454	)
Other comprehensive income before reclassifications	727			213
Amounts reclassified from accumulated other comprehensive income (loss)	—			—
Balance at end of period	$	447		$	(241	)

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GOODWILL AND INTANGIBLE ASSETS

9 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

GOODWILL AND INTANGIBLE ASSETS

Goodwill

Skyepharma Acquisition

In March 2007, the Company acquired from SkyePharma Holding, Inc. (now a subsidiary of Vectura Group plc), or Skyepharma, its California operating subsidiary named Pacira Pharmaceuticals, Inc. (the “Skyepharma Acquisition”). The Company’s goodwill arose in April 2012 from a contingent milestone payment to Skyepharma in connection with the Skyepharma Acquisition. The Skyepharma Acquisition was accounted for under Statement of Financial Accounting Standards 141, Accounting for Business Combinations, which was the effective GAAP standard at the Skyepharma Acquisition date. In connection with the Skyepharma Acquisition, the Company agreed to milestone payments for DepoBupivacaine products, including EXPAREL, as follows:

(i) $10.0 million upon the first commercial sale in the United States (met April 2012);

(ii) $4.0 million upon the first commercial sale in a major E.U. country (United Kingdom, France, Germany, Italy and Spain);

(iii) $8.0 million when annual net sales collected reach $100.0 million (met September 2014);

(iv) $8.0 million when annual net sales collected reach $250.0 million (met June 2016); and

(v) $32.0 million when annual net sales collected reach $500.0 million.

For purposes of meeting future potential milestone payments, annual net sales are measured on a rolling quarterly basis.

As part of the Skyepharma Acquisition, the Company agreed to pay certain earn-out payments based on a percentage of net sales of DepoBupivacaine products collected, including EXPAREL, for the term during which such sales were covered by a valid claim in certain patent rights related to EXPAREL and other biologics products. The last patents for which a valid claim existed expired on September 18, 2018 and thus, the only remaining obligations to Skyepharma are the two unmet milestone payments totaling $36.0 million. Any remaining milestone payments will be treated as additional costs of the Skyepharma Acquisition and, therefore, recorded as goodwill if and when each contingency is resolved.

There was no change in the carrying value of goodwill related to the Skyepharma Acquisition during the three and nine months ended September 30, 2019.

MyoScience Acquisition

In connection with the MyoScience Acquisition, the Company recorded goodwill totaling $37.5 million. The acquired goodwill is currently not deductible for tax purposes. However, the Company is considering certain tax elections that would allow for the future deduction of this acquired goodwill. See Note 4, MyoScience Acquisition, for more information.

The change in the carrying value of the Company’s goodwill is summarized as follows (in thousands):

	Carrying Value of Goodwill
Balance at December 31, 2018	$	62,040
Goodwill arising from the MyoScience Acquisition	37,507
Balance at September 30, 2019	$	99,547

Intangible Assets

MyoScience Acquisition

Intangible assets, net, consist of the developed technology and customer relationships that were acquired in the MyoScience Acquisition and are summarized as follows (in thousands):

September 30, 2019	Gross Carrying Value		Accumulated Amortization			Intangible Assets, Net		Estimated Useful Life
Developed technology	$	110,000	$	(3,732	)	$	106,268	14 Years
Customer relationships	90		(4		)	86		10 Years
Total intangible assets	$	110,090	$	(3,736	)	$	106,354

There were no intangible assets, net, at December 31, 2018. Amortization expense on intangible assets for the three and nine months ended September 30, 2019 was $2.0 million and $3.7 million, respectively. There was no amortization expense on intangible assets for the three and nine months ended September 30, 2018.

For the remaining three months of 2019, amortization expense on intangible assets will be $2.0 million. Assuming no changes in the gross carrying amount of these intangible assets, the future amortization expense on intangible assets will be $7.9 million annually through 2032 and $2.2 million in 2033. These acquired intangible assets are currently not deductible for tax purposes. However, the Company is considering certain tax elections that would allow for the future deduction of these acquired intangible assets.

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MYOSCIENCE ACQUISITION

9 Months Ended

Sep. 30, 2019

Business Combinations [Abstract]

MYOSCIENCE ACQUISITION

MYOSCIENCE ACQUISITION

On April 9, 2019, the Company acquired MyoScience (the “MyoScience Acquisition”), a privately-held medical device company, pursuant to the terms of an Agreement and Plan of Merger (the “Merger Agreement”), under which MyoScience became a wholly-owned subsidiary of the Company and was renamed Pacira CryoTech, Inc., or CryoTech. The MyoScience Acquisition added iovera° to the Company’s commercial offering. The iovera° system is a novel, United States Food and Drug Administration, or FDA, approved, non-opioid treatment that immediately alleviates pain for up to 90 days by applying intense cold to only targeted nerves in a process called cryoanalgesia.

The consideration included an initial cash payment of $120.0 million, reduced by $1.0 million for post-closing purchase price adjustments and indemnification obligations incurred to date, and the fair value of contingent consideration in the amount of $28.5 million. The contingent consideration consists of contingent milestone payments up to an aggregate of $100.0 million upon the achievement of certain regulatory and commercial milestones, of which up to $25.0 million may be payable in shares of the Company’s common stock if achieved in 2020. Per the terms of the Merger Agreement, the Company’s obligation to make milestone payments is limited to those milestones achieved between January 1, 2019 and December 31, 2023, and are to be paid within 60 days of the end of the fiscal quarter of achievement. In the third quarter of 2019, the Company met a regulatory milestone which was previously accrued and will result in a $7.0 million payment to be made in the fourth quarter of 2019. The Company also expects to meet another regulatory milestone which was previously accrued that would result in a $5.0 million payment to be made in 2020. For more information regarding contingent milestone payments subsequent to September 30, 2019, refer to Note 17, Subsequent Events.

The Company has accounted for the MyoScience Acquisition using the acquisition method of accounting and, accordingly, has included the assets acquired, liabilities assumed and results of operations in the condensed consolidated financial statements from April 10, 2019 onward, the day following the acquisition date. The excess of the purchase price over the fair value of identifiable net assets acquired represents goodwill. This goodwill is primarily attributable to the value of combining iovera° and EXPAREL as a safe and effective non-opioid multimodal regimen for pain management, as well as the synergies of merging operations. The primary assets and liabilities of the business acquired include developed technology and customer relationship intangible assets, equipment, inventory, receivables, payables and accrued expenses. Inventory has been recorded at its estimated selling price less costs of distribution and a reasonable profit, and the intangible assets acquired (including developed technology and customer relationships) have been recorded at fair value as determined by the Company’s management with the assistance of a third-party valuation specialist. The acquired goodwill and intangible assets are currently

not deductible for tax purposes. However, the Company is considering certain tax elections that would allow for the future deduction of acquired goodwill and intangible assets. See Note 8, Goodwill and Intangible Assets, for more information.

The total consideration for the MyoScience Acquisition was $147.5 million, which consisted of the following (in thousands):

Purchase Price	Amount
Cash paid, adjusted for working capital items	$	119,038
Fair value of contingent consideration	28,470
Total	$	147,508

The preliminary purchase price allocation is based on estimates, assumptions, valuations and other studies which have not yet been finalized. Prior to the finalization of the purchase price allocation, if information becomes available that would indicate it is probable that unknown events had occurred and the amounts can be reasonably estimated, such items will be included in the final purchase price allocation and may change the carrying value of goodwill. The Company is finalizing its valuation of the intangible assets and tax analyses, and anticipates finalizing the purchase price allocation as the information necessary to complete the analysis is obtained, but no later than one year after the acquisition date. The following tables set forth the preliminary allocation of the MyoScience Acquisition purchase price to the estimated fair value of the net assets acquired at the acquisition date (in thousands):

	Amounts Recognized at the Acquisition Date (Unaudited)
ASSETS ACQUIRED
Current assets	$	5,275
Non-current assets (other than intangible assets)	1,044
Intangible assets (excluding goodwill)	110,090
Total assets acquired (excluding goodwill)	$	116,409
LIABILITIES ASSUMED
Current liabilities	$	4,436
Deferred tax liabilities, net	1,828
Other non-current liabilities	144
Total liabilities assumed	6,408
Total identifiable net assets acquired	110,001
Goodwill	37,507
Total consideration transferred	$	147,508

CryoTech results from the acquisition date of April 10, 2019 through September 30, 2019, which are included in the condensed consolidated statements of operations, are as follows (in thousands):

Classification in Condensed Consolidated Statements of Operations	Acquisition Date Through September 30, 2019
Total revenues	$	4,674
Net loss	$	(5,555	)

Unaudited Pro Forma Summary of Operations

The following table shows the unaudited pro forma summary of operations for the three months ended September 30, 2018 and the nine months ended September 30, 2019 and 2018, as if the MyoScience Acquisition had occurred on January 1, 2018. This pro forma information does not purport to represent what the Company’s actual results would have been if the acquisition had occurred as of January 1, 2018, and is not indicative of what such results would be expected for any future period (in thousands, except per share amounts):

	Three Months Ended   September 30,			Nine Months Ended   September 30,
	2018			2019			2018
Total revenues	$	84,916		$	301,051		$	245,721
Net loss	$	(6,944	)	$	(10,633	)	$	(27,663	)
Pro forma basic and diluted net loss per share	$	(0.17	)	$	(0.26	)	$	(0.68	)

The unaudited pro forma financial information was prepared using the acquisition method of accounting and was based on the historical financial information of the Company and MyoScience. The summary pro forma financial information primarily reflects the following pro forma adjustments:

• Removal of the acquisition-related transaction fees and costs, including certain stock-based compensation and other compensation expenses related to the acquisition, from the nine months ended September 30, 2019;

• Removal of the income tax benefit resulting from the Company decreasing its existing valuation allowance on deferred tax assets from the nine months ended September 30, 2019;

• Removal of MyoScience’s loss on extinguishment of debt and warrant expense in the nine months ended September 30, 2019;

• Removal of MyoScience’s interest expense;

• Adjustments to the Company’s interest income for the cash used to acquire MyoScience; and

•

The addition of amortization expense on the acquired developed technology and customer relationship intangible assets.

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GOODWILL AND INTANGIBLE ASSETS (Tables)

9 Months Ended

Sep. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The change in the carrying value of the Company’s goodwill is summarized as follows (in thousands):

	Carrying Value of Goodwill
Balance at December 31, 2018	$	62,040
Goodwill arising from the MyoScience Acquisition	37,507
Balance at September 30, 2019	$	99,547

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STOCKHOLDERS' EQUITY (Tables)

9 Months Ended

Sep. 30, 2019

Stockholders' Equity Note [Abstract]

Schedule of accumulated other comprehensive income (loss)

The following table illustrates the changes in the balances of the Company’s accumulated other comprehensive income (loss) for the periods presented (in thousands):

	Nine Months Ended   September 30,
Net unrealized gains (losses) from available for sale investments:	2019			2018
Balance at beginning of period	$	(280	)	$	(454	)
Other comprehensive income before reclassifications	727			213
Amounts reclassified from accumulated other comprehensive income (loss)	—			—
Balance at end of period	$	447		$	(241	)

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DEBT (Details) - Unsecured Debt - Convertible Senior Notes Due 2022 - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Mar. 13, 2017
Debt Instrument [Line Items]
Stated interest rate (as a percent)	2.375%		2.375%
Convertible senior notes, gross	$ 345,000	$ 345,000
Deferred financing costs	(4,577)	(5,850)
Discount on debt	(38,342)	(48,558)
Total debt, net of debt discount and deferred financing costs	$ 302,081	$ 290,592

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LEASES -Schedule of maturities of operating lease liabilities (prior year) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Leases [Abstract]
2019	$ 8,140
2020	7,621
2021	5,295
2022	5,417
2023	5,543
2024 through 2030	14,329
Total	$ 46,345

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NET INCOME (LOSS) PER SHARE (Details 2) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
EARNINGS PER SHARE
Total	5,742	6,635	4,993	5,952
Employee Stock Option
EARNINGS PER SHARE
Total	5,443	5,988	4,816	5,392
Restricted Stock Units (RSUs)
EARNINGS PER SHARE
Total	266	618	154	528
Employee Stock
EARNINGS PER SHARE
Total	33	29	23	32

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Subsequent Events (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Sep. 30, 2019
Subsequent Event [Line Items]
Acquisition-related contingent consideration		$ 7,000	$ 7,000
Scenario, Forecast | Achievement of Regulatory Milestone
Subsequent Event [Line Items]
Acquisition-related contingent consideration		5,000	5,000
Scenario, Forecast | Achievement of Development and Commercial Milestones | Subsequent Event
Subsequent Event [Line Items]
Acquisition-related contingent consideration	$ 10,000
Contingent Consideration [Member]
Subsequent Event [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings		$ 7,300	$ 7,327
Contingent Consideration [Member] | Subsequent Event
Subsequent Event [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	$ 9,000

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STOCK PLANS (Details 3)	9 Months Ended
	Sep. 30, 2019 $ / shares shares
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Unvested at beginning of period (shares) | shares	577,964
Granted (shares) | shares	303,168
Vested (shares) | shares	(190,586)
Forfeited (shares) | shares	(49,611)
Unvested at end of period (shares) | shares	640,935
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Unvested at beginning of period (usd per share) | $ / shares	$ 42.14
Granted (usd per share) | $ / shares	43.57
Vested (usd per share) | $ / shares	45.56
Forfeited (usd per share) | $ / shares	41.04
Unvested at end of period (usd per share) | $ / shares	$ 41.88
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Risk free interest rate (as a percent)	2.02%
Expected volatility (as a percent)	53.88%
Expected term of options	5 years 2 months 19 days

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FINANCIAL INSTRUMENTS (Details 3) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Total Milestone Payments Yet To Be Paid in Connection with MyoScience Acquisition	$ 80,000	$ 80,000
Contingent Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at December 31, 2018		0
New financial liabilities entered into on date of MyoScience Acquisition (April 9, 2019)		28,470
Fair value adjustments	7,300	7,327
Balance at September 30, 2019	$ 35,797	$ 35,797

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

9 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation and Principles of Consolidation

These interim condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America, or GAAP, and in accordance with the rules and regulations of the United States Securities and Exchange Commission, or SEC, for interim reporting. Pursuant to these rules and regulations, certain information and footnote disclosures normally included in complete annual financial statements have been condensed or omitted. Therefore, these interim condensed consolidated financial statements should be read in conjunction with the audited annual consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.

The condensed consolidated financial statements at September 30, 2019, and for the three and nine month periods ended September 30, 2019 and 2018, are unaudited, but include all adjustments (consisting of only normal recurring adjustments) which, in the opinion of management, are necessary to present fairly the financial information set forth herein in accordance with GAAP. The condensed consolidated balance sheet at December 31, 2018 is derived from the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018. The condensed consolidated financial statements as presented reflect certain reclassifications from previously issued financial statements to conform to the current year presentation. The accounts of wholly-owned subsidiaries are included in the condensed consolidated financial statements. Intercompany accounts and transactions have been eliminated in consolidation.

The results of operations for these interim periods are not necessarily indicative of results that may be expected for any other interim periods or for the full year.

Concentration of Major Customers

The Company sells EXPAREL through a drop-ship program under which orders are processed through wholesalers (including AmerisourceBergen Health Corporation, Cardinal Health, Inc. and McKesson Drug Company), but shipments of the product are sent directly to individual accounts, such as hospitals, ambulatory surgery centers and individual doctors. The Company also sells EXPAREL directly to ambulatory surgery centers and physicians. The Company sells its bupivacaine liposome injectable suspension for use in animals to a third party licensee and sells iovera° directly to end users. The table below includes the percentage of revenue comprised by the Company’s three largest wholesalers in each period presented:

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2019	2018	2019	2018
Largest wholesaler	34%	34%	34%	34%
Second largest wholesaler	29%	30%	29%	30%
Third largest wholesaler	27%	26%	26%	26%
Total	90%	90%	89%	90%

 

Recently Adopted Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board, or FASB, issued Accounting Standards Update, or ASU, 2016-02, Leases (Topic 842), and subsequently issued clarifications and corrections to the update by issuing ASU 2018-10 in July 2018. This update required lessees to recognize lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under previous authoritative guidance. For income statement purposes, the new standard retained a dual model similar to Accounting Standards Codification, or ASC, 840, requiring leases to be classified as either operating or financing. Operating leases continue to result in straight-line expense while financing leases result in a front-loaded expense pattern (similar to previous accounting guidance by lessees for operating and capital leases, respectively, under ASC 840).

The Company adopted ASU 2016-02 on January 1, 2019 using the effective date method. There were practical expedients available to the Company at transition that it elected to apply upon adoption. The Company did not re-assess (i) whether its contracts contained a lease under the new definition of a lease and (ii) the classification of those leases. There were no initial direct costs previously capitalized on the consolidated balance sheet. In addition, the Company applied hindsight in the determination of the lease terms, in the assessment of the likelihood that a lease renewal, termination or purchase option will be exercised, and in the assessment of any potential impairments that existed on the right-of-use, or ROU, assets recognized at adoption. The Company also elected not to recognize a ROU asset and lease liability for those leases with a remaining lease term of 12 months or less.

At adoption on January 1, 2019, the lease liability was equal to the present value of future lease payments and a ROU asset was recorded based on the lease liability, adjusted for items such as prepaid and accrued lease payments. The Company recorded $36.5 million of lease liabilities and $27.6 million of ROU assets as of January 1, 2019, the difference representing previously recorded lease-related assets and liabilities. There was a cumulative-effect adjustment to retained earnings of $0.2 million upon adoption. Refer to Note 7, Leases, for further information on the Company’s existing leases.

The lease liability recognized upon adoption was based upon the present value of the sum of the remaining minimum lease payments (as previously identified under ASC 840), determined using the discount rate as of the date of adoption. The discount rate was based on the Company’s incremental borrowing rate on a collateralized basis over a similar remaining term and in a similar economic environment.

Recent Accounting Pronouncements Not Adopted as of September 30, 2019

In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires entities to measure all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions and reasonable and supportable forecasts. Entities will now use forward-looking information to better form their credit loss estimates. This update also requires enhanced disclosures to help financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an entity’s portfolio. This standard will become effective for the Company beginning January 1, 2020, with early adoption permitted. The Company does not expect there to be a significant impact from the adoption of ASU 2016-13 on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework. The purpose of the update is to improve the effectiveness of the fair value measurement disclosures that allows for clear communication of information that is most important to the users of financial statements. There were certain required disclosures that have been removed or modified. In addition, the update added the following disclosures: (i) changes in unrealized gains and losses for the period included in other comprehensive income (loss) for recurring Level 3 fair value measurements held at the end of the reporting period and (ii) the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. The standard will become effective for the Company beginning January 1, 2020. The Company does not expect there to be a significant impact from the adoption of ASU 2018-13 on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Intangibles—Goodwill and Other Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The update provides guidance to determine which implementation costs to capitalize as they relate to the service contract and which costs to expense. In addition, the update further defines the term of the hosting arrangement to include the non-cancelable period of the arrangement plus periods covered by (i) an option to extend the arrangement if the customer is reasonably certain to exercise that option; (ii) an option to terminate the arrangement if the customer is reasonably certain not to exercise the termination option and (iii) an option to extend (or not to terminate) the arrangement in which exercise of the option is in the control of the vendor. Any expense related to the capitalized implementation costs should be recorded in the same financial statement line item in the consolidated statements of operations as the fees associated with the hosting element of the arrangement, and the payments for capitalized implementation costs should be classified in the same manner as payments made for fees associated with the hosting element in the consolidated statements of cash flows. This standard will become effective for the Company beginning January 1, 2020. The amendments may be applied either retrospectively or prospectively to all implementation costs incurred after the date of adoption. The Company expects to apply ASU 2018-15 on a prospective basis. The Company will apply this standard to future implementation costs incurred. The impact of ASU 2018-15 will be dependent upon future projects entered into by the Company subsequent to the date of adoption.

In April 2019, the FASB issued ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments, which provides amendments to the recognition and measurement of certain financial assets and financial liabilities. One of those amendments requires that equity securities without readily determinable fair values accounted for under the measurement alternative be re-measured when an orderly transaction is identified for an identical or similar investment of the same issuer. This standard will become effective for the Company beginning January 1, 2020. The Company does not expect there to be a significant impact from the adoption of ASU 2019-04 on its consolidated financial statements.

Other pronouncements issued by the FASB or other authoritative accounting standards groups with future effective dates are either not applicable or not significant to the consolidated financial statements of the Company.

Significant Accounting Policies

Leases

Effective January 1, 2019, the Company recognizes ROU assets and lease liabilities at the commencement of its lease agreements. The leases are evaluated at commencement to determine whether they should be classified as operating or financing leases. Lease costs associated with operating leases are recognized on a straight-line basis, while lease costs for financing leases are recognized over the lease term using the effective interest method. To date, the Company does not have any financing leases. The amount of ROU assets and lease liabilities to be recognized is impacted by the type of lease payments, the lease term and the incremental borrowing rate. Variable lease payments are not included at commencement and are recognized in the period in which they are incurred. The lease term is based on the contractual term and is adjusted for any renewal options or termination rights that are reasonably certain to be exercised. The incremental borrowing rate is based on the rate the Company estimates it would pay on a collateralized basis over a similar term in a similar economic environment.

Acquisitions

In a business combination, the acquisition method of accounting requires that the assets acquired and liabilities assumed be recorded as of the date of the acquisition at their respective fair values with some exceptions. Assets acquired and liabilities assumed in a business combination that arise from contingencies are generally recognized at fair value. If fair value cannot be determined, the asset or liability is recognized if probable and reasonably estimable; if these criteria are not met, no asset or liability is recognized. Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Accordingly, the Company may be required to value assets at fair value measures that do not reflect the Company’s intended use of those assets. Any excess of the purchase price (consideration transferred) over the estimated fair values of net assets acquired is recorded as goodwill. Transaction costs and costs to restructure the acquired company are expensed as incurred. The operating results of the acquired business are reflected in the Company’s condensed consolidated financial statements after the date of the acquisition. If the Company determines the assets acquired do not meet the definition of a business under the acquisition method of accounting, the transaction will be accounted for as an acquisition of assets rather than as a business combination and, therefore, no goodwill would be recorded.

Contingent Consideration

Subsequent to an acquisition, the Company measures contingent consideration arrangements at fair value for each period with changes in fair value recognized in the consolidated statements of operations as acquisition-related charges. Changes in contingent consideration can result from changes in the assumed achievement and timing of estimated sales, costs of goods sold and regulatory approvals. In the absence of new information, changes in fair value reflect the passage of time towards achievement of the milestones, and are accrued based on an accretion schedule.

Intangible Assets

Intangible assets with definite useful lives are amortized on a straight-line basis over their estimated useful lives and are reviewed for impairment if certain events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Intangible assets are recorded at cost, net of accumulated amortization. The Company evaluates the recoverability of intangible assets periodically and takes into account events and circumstances which may indicate that an impairment exists.

Segment Reporting

The Company is managed and operated as a single business focused on the discovery, development, manufacture, marketing, distribution and sale of non-opioid pain management options. The Company is managed by a single management team, and, consistent with its organizational structure, the Chief Executive Officer and Chairman manages and allocates resources at a consolidated level. Accordingly, the Company views its business as one reportable operating segment to evaluate performance, allocate resources, set operational targets and forecast its future period financial results.

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FIXED ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
FIXED ASSETS
Total	$ 177,124		$ 177,124		$ 170,228
Less: accumulated depreciation	(72,268)		(72,268)		(61,558)
Fixed assets, net	104,856		104,856		108,670
Depreciation expense	3,600	$ 3,500	10,700	$ 9,100
Capitalized interest (Note 4)		$ 100		$ 700
Foreign property, plant and equipment, net	65,100		65,100		64,600
Increase (Decrease) in Asset Retirement Obligations			300
Asset Retirement Obligation, Accretion Expense	100		200
Machinery and equipment
FIXED ASSETS
Total	68,342		68,342		67,431
Leasehold improvements
FIXED ASSETS
Total	60,355		60,355		57,955
Computer equipment and software
FIXED ASSETS
Total	8,381		8,381		8,131
Office furniture and equipment
FIXED ASSETS
Total	1,625		1,625		1,548
Construction in progress
FIXED ASSETS
Total	38,421		38,421		$ 35,163
Capitalized interest (Note 4)	$ 100		$ 100

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (6,087)	$ (640)	$ (6,128)	$ (8,756)
Other comprehensive income (loss):
Net unrealized gain (loss) on investments	(53)	304	727	213
Total other comprehensive income (loss)	(53)	304	727	213
Comprehensive loss	$ (6,140)	$ (336)	$ (5,401)	$ (8,543)

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DESCRIPTION OF BUSINESS (Details)	9 Months Ended
	Sep. 30, 2019 product
Sales Revenue, Net | Product Concentration Risk
Concentration Risk [Line Items]
Concentration of products (in products)	2

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MYOSCIENCE ACQUISITION (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Apr. 09, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Income (loss) before income taxes		$ (5,816)	$ (702)	$ (7,207)	$ (8,748)
Valuation allowance on deferred tax assets		1,800		1,800
Acquisition-related contingent consideration		7,000		7,000
Myoscience Acquisition
Business Acquisition [Line Items]
Initial cash payment		120,000
Fair value of contingent consideration	$ 28,470
Contingent consideration		100,000
Contingent consideration maximum amount payable in shares	$ 25,000
Payment term	60 days
Total consideration transferred		147,508
Net income (loss)			$ (6,944)	(10,633)	$ (27,663)
Acquisition-related contingent consideration		35,800		35,800
Scenario, Forecast | Achievement of Regulatory Milestone
Business Acquisition [Line Items]
Acquisition-related contingent consideration		$ 5,000		$ 5,000

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Cover Page - shares	9 Months Ended
	Sep. 30, 2019	Nov. 03, 2019
Cover page.
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	001-35060
Entity Registrant Name	PACIRA BIOSCIENCES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	51-0619477
Entity Address, Address Line One	5 Sylvan Way, Suite 300
Entity Address, City or Town	Parsippany
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07054
City Area Code	973
Local Phone Number	254-3560
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	PCRX
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		41,730,807
Entity Central Index Key	0001396814
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus (Q1,Q2,Q3,FY)	Q3
Amendment Flag	false

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

9 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

Basis of Presentation and Principles of Consolidation

Basis of Presentation and Principles of Consolidation

These interim condensed consolidated financial statements have been prepared in accordance with generally accepted accounting principles in the United States of America, or GAAP, and in accordance with the rules and regulations of the United States Securities and Exchange Commission, or SEC, for interim reporting. Pursuant to these rules and regulations, certain information and footnote disclosures normally included in complete annual financial statements have been condensed or omitted. Therefore, these interim condensed consolidated financial statements should be read in conjunction with the audited annual consolidated financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.

The condensed consolidated financial statements at September 30, 2019, and for the three and nine month periods ended September 30, 2019 and 2018, are unaudited, but include all adjustments (consisting of only normal recurring adjustments) which, in the opinion of management, are necessary to present fairly the financial information set forth herein in accordance with GAAP. The condensed consolidated balance sheet at December 31, 2018 is derived from the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2018. The condensed consolidated financial statements as presented reflect certain reclassifications from previously issued financial statements to conform to the current year presentation. The accounts of wholly-owned subsidiaries are included in the condensed consolidated financial statements. Intercompany accounts and transactions have been eliminated in consolidation.

The results of operations for these interim periods are not necessarily indicative of results that may be expected for any other interim periods or for the full year.

Concentration of Major Customers

Concentration of Major Customers

The Company sells EXPAREL through a drop-ship program under which orders are processed through wholesalers (including AmerisourceBergen Health Corporation, Cardinal Health, Inc. and McKesson Drug Company), but shipments of the product are sent directly to individual accounts, such as hospitals, ambulatory surgery centers and individual doctors. The Company also sells EXPAREL directly to ambulatory surgery centers and physicians. The Company sells its bupivacaine liposome injectable suspension for use in animals to a third party licensee and sells iovera° directly to end users. The table below includes the percentage of revenue comprised by the Company’s three largest wholesalers in each period presented:

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2019	2018	2019	2018
Largest wholesaler	34%	34%	34%	34%
Second largest wholesaler	29%	30%	29%	30%
Third largest wholesaler	27%	26%	26%	26%
Total	90%	90%	89%	90%

Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board, or FASB, issued Accounting Standards Update, or ASU, 2016-02, Leases (Topic 842), and subsequently issued clarifications and corrections to the update by issuing ASU 2018-10 in July 2018. This update required lessees to recognize lease assets and lease liabilities on the balance sheet for those leases classified as operating leases under previous authoritative guidance. For income statement purposes, the new standard retained a dual model similar to Accounting Standards Codification, or ASC, 840, requiring leases to be classified as either operating or financing. Operating leases continue to result in straight-line expense while financing leases result in a front-loaded expense pattern (similar to previous accounting guidance by lessees for operating and capital leases, respectively, under ASC 840).

The Company adopted ASU 2016-02 on January 1, 2019 using the effective date method. There were practical expedients available to the Company at transition that it elected to apply upon adoption. The Company did not re-assess (i) whether its contracts contained a lease under the new definition of a lease and (ii) the classification of those leases. There were no initial direct costs previously capitalized on the consolidated balance sheet. In addition, the Company applied hindsight in the determination of the lease terms, in the assessment of the likelihood that a lease renewal, termination or purchase option will be exercised, and in the assessment of any potential impairments that existed on the right-of-use, or ROU, assets recognized at adoption. The Company also elected not to recognize a ROU asset and lease liability for those leases with a remaining lease term of 12 months or less.

At adoption on January 1, 2019, the lease liability was equal to the present value of future lease payments and a ROU asset was recorded based on the lease liability, adjusted for items such as prepaid and accrued lease payments. The Company recorded $36.5 million of lease liabilities and $27.6 million of ROU assets as of January 1, 2019, the difference representing previously recorded lease-related assets and liabilities. There was a cumulative-effect adjustment to retained earnings of $0.2 million upon adoption. Refer to Note 7, Leases, for further information on the Company’s existing leases.

The lease liability recognized upon adoption was based upon the present value of the sum of the remaining minimum lease payments (as previously identified under ASC 840), determined using the discount rate as of the date of adoption. The discount rate was based on the Company’s incremental borrowing rate on a collateralized basis over a similar remaining term and in a similar economic environment.

Recent Accounting Pronouncements Not Adopted as of September 30, 2019

In June 2016, the FASB issued ASU 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments, which requires entities to measure all expected credit losses for financial assets held at the reporting date based on historical experience, current conditions and reasonable and supportable forecasts. Entities will now use forward-looking information to better form their credit loss estimates. This update also requires enhanced disclosures to help financial statement users better understand significant estimates and judgments used in estimating credit losses, as well as the credit quality and underwriting standards of an entity’s portfolio. This standard will become effective for the Company beginning January 1, 2020, with early adoption permitted. The Company does not expect there to be a significant impact from the adoption of ASU 2016-13 on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework. The purpose of the update is to improve the effectiveness of the fair value measurement disclosures that allows for clear communication of information that is most important to the users of financial statements. There were certain required disclosures that have been removed or modified. In addition, the update added the following disclosures: (i) changes in unrealized gains and losses for the period included in other comprehensive income (loss) for recurring Level 3 fair value measurements held at the end of the reporting period and (ii) the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. The standard will become effective for the Company beginning January 1, 2020. The Company does not expect there to be a significant impact from the adoption of ASU 2018-13 on its consolidated financial statements.

In August 2018, the FASB issued ASU 2018-15, Intangibles—Goodwill and Other Internal-Use Software (Subtopic 350-40): Customer’s Accounting for Implementation Costs Incurred in a Cloud Computing Arrangement That is a Service Contract, which aligns the requirements for capitalizing implementation costs incurred in a hosting arrangement that is a service contract with the requirements for capitalizing implementation costs incurred to develop or obtain internal-use software. The update provides guidance to determine which implementation costs to capitalize as they relate to the service contract and which costs to expense. In addition, the update further defines the term of the hosting arrangement to include the non-cancelable period of the arrangement plus periods covered by (i) an option to extend the arrangement if the customer is reasonably certain to exercise that option; (ii) an option to terminate the arrangement if the customer is reasonably certain not to exercise the termination option and (iii) an option to extend (or not to terminate) the arrangement in which exercise of the option is in the control of the vendor. Any expense related to the capitalized implementation costs should be recorded in the same financial statement line item in the consolidated statements of operations as the fees associated with the hosting element of the arrangement, and the payments for capitalized implementation costs should be classified in the same manner as payments made for fees associated with the hosting element in the consolidated statements of cash flows. This standard will become effective for the Company beginning January 1, 2020. The amendments may be applied either retrospectively or prospectively to all implementation costs incurred after the date of adoption. The Company expects to apply ASU 2018-15 on a prospective basis. The Company will apply this standard to future implementation costs incurred. The impact of ASU 2018-15 will be dependent upon future projects entered into by the Company subsequent to the date of adoption.

In April 2019, the FASB issued ASU 2019-04, Codification Improvements to Topic 326, Financial Instruments, Topic 815, Derivatives and Hedging, and Topic 825, Financial Instruments, which provides amendments to the recognition and measurement of certain financial assets and financial liabilities. One of those amendments requires that equity securities without readily determinable fair values accounted for under the measurement alternative be re-measured when an orderly transaction is identified for an identical or similar investment of the same issuer. This standard will become effective for the Company beginning January 1, 2020. The Company does not expect there to be a significant impact from the adoption of ASU 2019-04 on its consolidated financial statements.

Other pronouncements issued by the FASB or other authoritative accounting standards groups with future effective dates are either not applicable or not significant to the consolidated financial statements of the Company.

Leases

Leases

Effective January 1, 2019, the Company recognizes ROU assets and lease liabilities at the commencement of its lease agreements. The leases are evaluated at commencement to determine whether they should be classified as operating or financing leases. Lease costs associated with operating leases are recognized on a straight-line basis, while lease costs for financing leases are recognized over the lease term using the effective interest method. To date, the Company does not have any financing leases. The amount of ROU assets and lease liabilities to be recognized is impacted by the type of lease payments, the lease term and the incremental borrowing rate. Variable lease payments are not included at commencement and are recognized in the period in which they are incurred. The lease term is based on the contractual term and is adjusted for any renewal options or termination rights that are reasonably certain to be exercised. The incremental borrowing rate is based on the rate the Company estimates it would pay on a collateralized basis over a similar term in a similar economic environment.

Acquisitions [Policy Text Block]

Acquisitions

In a business combination, the acquisition method of accounting requires that the assets acquired and liabilities assumed be recorded as of the date of the acquisition at their respective fair values with some exceptions. Assets acquired and liabilities assumed in a business combination that arise from contingencies are generally recognized at fair value. If fair value cannot be determined, the asset or liability is recognized if probable and reasonably estimable; if these criteria are not met, no asset or liability is recognized. Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. Accordingly, the Company may be required to value assets at fair value measures that do not reflect the Company’s intended use of those assets. Any excess of the purchase price (consideration transferred) over the estimated fair values of net assets acquired is recorded as goodwill. Transaction costs and costs to restructure the acquired company are expensed as incurred. The operating results of the acquired business are reflected in the Company’s condensed consolidated financial statements after the date of the acquisition. If the Company determines the assets acquired do not meet the definition of a business under the acquisition method of accounting, the transaction will be accounted for as an acquisition of assets rather than as a business combination and, therefore, no goodwill would be recorded.

Contingent Consideration [Policy Text Block]

Contingent Consideration

Subsequent to an acquisition, the Company measures contingent consideration arrangements at fair value for each period with changes in fair value recognized in the consolidated statements of operations as acquisition-related charges. Changes in contingent consideration can result from changes in the assumed achievement and timing of estimated sales, costs of goods sold and regulatory approvals. In the absence of new information, changes in fair value reflect the passage of time towards achievement of the milestones, and are accrued based on an accretion schedule.

Intangible Assets, Finite-Lived, Policy [Policy Text Block]

Intangible Assets

Intangible assets with definite useful lives are amortized on a straight-line basis over their estimated useful lives and are reviewed for impairment if certain events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Intangible assets are recorded at cost, net of accumulated amortization. The Company evaluates the recoverability of intangible assets periodically and takes into account events and circumstances which may indicate that an impairment exists.

Segment Reporting, Policy [Policy Text Block]

Segment Reporting

The Company is managed and operated as a single business focused on the discovery, development, manufacture, marketing, distribution and sale of non-opioid pain management options. The Company is managed by a single management team, and, consistent with its organizational structure, the Chief Executive Officer and Chairman manages and allocates resources at a consolidated level. Accordingly, the Company views its business as one reportable operating segment to evaluate performance, allocate resources, set operational targets and forecast its future period financial results.

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INCOME TAXES

9 Months Ended

Sep. 30, 2019

Income Tax Disclosure [Abstract]

TAXES

INCOME TAXES

Income (loss) before income taxes is as follows (in thousands):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Income (loss) before income taxes:
Domestic	$	(3,234	)	$	1,839		$	2,345		$	(7,382	)
Foreign	(2,582		)	(2,541		)	(9,552		)	(1,366		)
Total loss before income taxes	$	(5,816	)	$	(702	)	$	(7,207	)	$	(8,748	)

For the three months ended September 30, 2019 and 2018, the Company recorded income tax expense of $0.3 million and an income tax benefit of $0.1 million, respectively. For the nine months ended September 30, 2019 and 2018, the Company recorded an income tax benefit of $1.1 million and an income tax expense of less than $0.1 million, respectively. The income tax benefit for the nine months ended September 30, 2019 is primarily related to the MyoScience Acquisition and a $1.8 million reduction in the Company’s valuation allowance on its deferred tax assets due to the MyoScience Acquisition, partially offset by current state income taxes. Due to net operating losses, or NOLs, carried forward, and the repeal of the corporate minimum tax, no current federal income tax expense was recorded for 2018 or 2019. The utilization of the Company’s NOLs has not resulted in any deferred federal tax expense because there was a full valuation allowance recorded with respect to the NOLs.

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INVENTORIES (Tables)

9 Months Ended

Sep. 30, 2019

Inventory Disclosure [Abstract]

Schedule of components of inventories

The components of inventories, net are as follows (in thousands):

	September 30,		December 31,
	2019		2018
Raw materials	$	18,798	$	19,193
Work-in-process	17,472		9,711
Finished goods	23,968		19,665
Total	$	60,238	$	48,569

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INCOME TAXES (Tables)

9 Months Ended

Sep. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of Income before Income Tax, Domestic and Foreign

Income (loss) before income taxes is as follows (in thousands):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Income (loss) before income taxes:
Domestic	$	(3,234	)	$	1,839		$	2,345		$	(7,382	)
Foreign	(2,582		)	(2,541		)	(9,552		)	(1,366		)
Total loss before income taxes	$	(5,816	)	$	(702	)	$	(7,207	)	$	(8,748	)

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FIXED ASSETS (Tables)

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

Schedule of fixed assets summarized by major category

Fixed assets, net, summarized by major category, consist of the following (in thousands):

	September 30,			December 31,
	2019			2018
Machinery and equipment	$	68,342		$	67,431
Leasehold improvements	60,355			57,955
Computer equipment and software	8,381			8,131
Office furniture and equipment	1,625			1,548
Construction in progress	38,421			35,163
Total	177,124			170,228
Less: accumulated depreciation	(72,268		)	(61,558		)
Fixed assets, net	$	104,856		$	108,670

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FINANCIAL INSTRUMENTS (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of carrying amount and fair value of the long-term debt

The carrying amount and fair values of the Company’s convertible senior notes and acquisition-related contingent consideration are as follows (in thousands):

Financial Liabilities	Carrying Value		Fair Value Measurements Using
September 30, 2019			Level 1		Level 2		Level 3
2.375% convertible senior notes due 2022 (1)(2)	$	302,081	$	—	$	340,472	$	—
Acquisition-related contingent consideration (3)	$	35,797	$	—	$	—	$	35,797

(1) The closing price of the Company’s common stock was $38.07 per share at September 30, 2019 compared to a conversion price of $66.89 per share. Currently, the conversion price is above the stock price. The maximum conversion premium that can be due on the 2022 Notes is approximately 5.2 million shares of the Company’s common stock, which assumes no increases in the conversion rate for certain corporate events.

(2) Reported at historical cost.

(3) Reported at fair value on a recurring basis.

Schedule of key assumptions used in the valuation of contingent consideration

The following table includes the key assumptions used in the valuation of the Company’s contingent consideration:

Assumption	Ranges Utilized as of September 30, 2019
Discount rates	5.29% to 5.64%
Probabilities of payment for regulatory milestones	0% to 100% (1)
Projected years of payment for regulatory milestones	2019 to 2023
Projected years of payment for commercial milestones	Up to 4.25 years

(1) One of the regulatory milestones was met during the three months ended September 30, 2019, requiring a payment in the amount of $7.0 million to be made in the fourth quarter of 2019.

Schedule of change in contingent consideration recorded at fair value using Level 3 measurements

The change in the Company’s contingent consideration recorded at fair value using Level 3 measurements is as follows (in thousands):

	Fair Value
Balance at December 31, 2018	$	—
New financial liabilities entered into on date of MyoScience Acquisition (April 9, 2019)	28,470
Fair value adjustments and accretion	7,327
Balance at September 30, 2019	$	35,797

Schedule of short-term investments

The following summarizes the Company’s investments at September 30, 2019 and December 31, 2018 (in thousands): 

September 30, 2019 Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value (Level 2)
Short-term:
Asset-backed securities	$	29,044	$	60	$	—		$	29,104
Commercial paper	34,788		41		—			34,829
Corporate bonds	116,273		299		—			116,572
Subtotal	180,105		400		—			180,505
Long-term:
Asset-backed securities	16,518		23		(7		)	16,534
Corporate bonds	54,012		48		(17		)	54,043
Subtotal	70,530		71		(24		)	70,577
Total	$	250,635	$	471	$	(24	)	$	251,082

December 31, 2018 Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value (Level 2)
Short-term:
Asset-backed securities	$	34,873	$	—	$	(33	)	$	34,840
Commercial paper	45,035		—		(30		)	45,005
Corporate bonds	171,289		—		(206		)	171,083
Subtotal	251,197		—		(269		)	250,928
Long-term:
Asset-backed securities	9,383		5		—			9,388
Corporate bonds	16,499		—		(16		)	16,483
Subtotal	25,882		5		(16		)	25,871
Total	$	277,079	$	5	$	(285	)	$	276,799

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FINANCIAL INSTRUMENTS

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

FINANCIAL INSTRUMENTS

FINANCIAL INSTRUMENTS

Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or be paid to transfer a liability in the principal or most advantageous market in an orderly transaction. To increase consistency and comparability in fair value measurements, the FASB established a three-level hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The three levels of fair value measurements are:

• Level 1—Quoted prices (unadjusted) in active markets that are accessible at the measurement date for assets or liabilities. The fair value hierarchy gives the highest priority to Level 1 inputs.

• Level 2—Observable prices that are based on inputs not quoted on active markets, but corroborated by market data.

• Level 3—Unobservable inputs that are used when little or no market data is available. The fair value hierarchy gives the lowest priority to Level 3 inputs.

The carrying value of financial instruments including cash and cash equivalents, accounts receivable and accounts payable approximate their respective fair values due to the short-term nature of these items. The fair value of the Company’s convertible senior notes at September 30, 2019 are calculated utilizing market quotations from an over-the-counter trading market for these notes (Level 2). The fair value of the Company’s acquisition-related contingent consideration is reported at fair value on a recurring basis (Level 3). The carrying amount and fair values of the Company’s convertible senior notes and acquisition-related contingent consideration are as follows (in thousands):

Financial Liabilities	Carrying Value		Fair Value Measurements Using
September 30, 2019			Level 1		Level 2		Level 3
2.375% convertible senior notes due 2022 (1)(2)	$	302,081	$	—	$	340,472	$	—
Acquisition-related contingent consideration (3)	$	35,797	$	—	$	—	$	35,797

(1) The closing price of the Company’s common stock was $38.07 per share at September 30, 2019 compared to a conversion price of $66.89 per share. Currently, the conversion price is above the stock price. The maximum conversion premium that can be due on the 2022 Notes is approximately 5.2 million shares of the Company’s common stock, which assumes no increases in the conversion rate for certain corporate events.

(2) Reported at historical cost.

(3) Reported at fair value on a recurring basis.

Financial Liabilities Measured at Fair Value on a Recurring Basis

The Company has recognized contingent consideration in the amount of $35.8 million as of September 30, 2019. The contingent consideration was recognized as part of the MyoScience Acquisition in April 2019. Refer to Note 4, MyoScience Acquisition, for more information.

The Company’s contingent consideration obligations are recorded at their estimated fair values and are revalued each reporting period until the related contingencies are resolved. For the three and nine months ended September 30, 2019, the Company recognized $7.3 million of fair value adjustments related to contingent consideration, which have been included in acquisition-related charges in the condensed consolidated statements of operations. The Company has measured the fair value of its contingent consideration using a probability-weighted discounted cash flow approach that is based on unobservable inputs and a Monte Carlo simulation. These inputs include, as applicable, estimated probabilities and the timing of achieving specified commercial and regulatory milestones; estimated forecasts of revenue and costs and the discount rate used to calculate the present value of estimated future payments. Significant changes may increase or decrease the probabilities of achieving the related commercial and regulatory events, shorten or lengthen the time required to achieve such events, or increase or decrease estimated forecasts.

The following table includes the key assumptions used in the valuation of the Company’s contingent consideration:

Assumption	Ranges Utilized as of September 30, 2019
Discount rates	5.29% to 5.64%
Probabilities of payment for regulatory milestones	0% to 100% (1)
Projected years of payment for regulatory milestones	2019 to 2023
Projected years of payment for commercial milestones	Up to 4.25 years

(1) One of the regulatory milestones was met during the three months ended September 30, 2019, requiring a payment in the amount of $7.0 million to be made in the fourth quarter of 2019.

The maximum remaining potential payments related to the contingent consideration from the MyoScience Acquisition are $80.0 million.

The change in the Company’s contingent consideration recorded at fair value using Level 3 measurements is as follows (in thousands):

	Fair Value
Balance at December 31, 2018	$	—
New financial liabilities entered into on date of MyoScience Acquisition (April 9, 2019)	28,470
Fair value adjustments and accretion	7,327
Balance at September 30, 2019	$	35,797

Investments

Short-term investments consist of asset-backed securities collateralized by credit card receivables, investment grade commercial paper and corporate bonds with maturities greater than three months, but less than one year. Long-term investments consist of asset-backed securities collateralized by credit card receivables and corporate bonds with maturities greater than one year. Net unrealized gains and losses from the Company’s short-term and long-term investments are reported in other comprehensive income (loss). At September 30, 2019, all of the Company’s short-term investments are classified as available for sale investments and are determined to be Level 2 instruments, which are measured at fair value using standard industry models with observable inputs. The fair value of the commercial paper is measured based on a standard industry model that uses the three-month U.S. Treasury bill rate as an observable input. The fair value of the asset-backed securities and corporate bonds is principally measured or corroborated by trade data for identical issues in which related trading activity is not sufficiently frequent to be considered a Level 1 input or that of comparable securities. At September 30, 2019, all short-term and long-term investments had an “A” or better rating by Standard & Poor’s.

The following summarizes the Company’s investments at September 30, 2019 and December 31, 2018 (in thousands): 

September 30, 2019 Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value (Level 2)
Short-term:
Asset-backed securities	$	29,044	$	60	$	—		$	29,104
Commercial paper	34,788		41		—			34,829
Corporate bonds	116,273		299		—			116,572
Subtotal	180,105		400		—			180,505
Long-term:
Asset-backed securities	16,518		23		(7		)	16,534
Corporate bonds	54,012		48		(17		)	54,043
Subtotal	70,530		71		(24		)	70,577
Total	$	250,635	$	471	$	(24	)	$	251,082

December 31, 2018 Investments	Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value (Level 2)
Short-term:
Asset-backed securities	$	34,873	$	—	$	(33	)	$	34,840
Commercial paper	45,035		—		(30		)	45,005
Corporate bonds	171,289		—		(206		)	171,083
Subtotal	251,197		—		(269		)	250,928
Long-term:
Asset-backed securities	9,383		5		—			9,388
Corporate bonds	16,499		—		(16		)	16,483
Subtotal	25,882		5		(16		)	25,871
Total	$	277,079	$	5	$	(285	)	$	276,799

Certain assets and liabilities are measured at fair value on a nonrecurring basis, including assets and liabilities acquired in a business combination, any related contingent consideration arising from an acquisition and long-lived assets, which would be

recognized at fair value if deemed to be impaired or if reclassified as assets held for sale. The fair value in these instances would be determined using Level 3 inputs.

TELA Bio, Inc.

At December 31, 2018, the Company held a $14.1 million investment in convertible preferred B shares of TELA Bio, Inc., or TELA Bio, a privately-held surgical reconstruction company that markets its proprietary OviTex^TM portfolio of products for ventral hernia repair and abdominal wall reconstruction. In June 2019, the Company made an additional cash investment of $1.6 million in TELA Bio’s convertible preferred B shares. In September 2019, the investment was deemed to be impaired when an offer was made to sell the Company’s shares in TELA Bio for an amount less than the Company’s carrying amount. The fair value of the investment was based on an initial public offering estimated price range less a discount for a lack of liquidity. The Company recognized an impairment charge of $5.4 million, which was recorded in other, net in its consolidated statements of operations for the three and nine months ended September 30, 2019. In the three and nine months ended September 30, 2018, the Company recorded a loss of $0.9 million on an unexercised purchase option in TELA Bio, which was recorded in other, net in its consolidated statements of operations.

Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, short-term investments, long-term investments and accounts receivable. The Company maintains its cash and cash equivalents with high-credit quality financial institutions. Such amounts may exceed federally-insured limits.

 As of September 30, 2019, three wholesalers each accounted for over 10% of the Company’s accounts receivable, at 34%, 30% and 29%, respectively. At December 31, 2018, three wholesalers each accounted for over 10% of the Company’s accounts receivable, at 32%, 32% and 29%, respectively. For additional information regarding the Company’s wholesalers, see Note 2, Summary of Significant Accounting Policies. Revenues are primarily derived from major wholesalers and pharmaceutical companies that generally have significant cash resources. The Company performs ongoing credit evaluations of its customers as warranted and generally does not require collateral. Allowances for doubtful accounts receivable are maintained based on historical payment patterns, aging of accounts receivable and the Company’s actual write-off history. As of September 30, 2019 and December 31, 2018, no allowances for doubtful accounts were deemed necessary by the Company on its accounts receivable.

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FIXED ASSETS

9 Months Ended

Sep. 30, 2019

Property, Plant and Equipment [Abstract]

FIXED ASSETS

FIXED ASSETS

Fixed assets, net, summarized by major category, consist of the following (in thousands):

	September 30,			December 31,
	2019			2018
Machinery and equipment	$	68,342		$	67,431
Leasehold improvements	60,355			57,955
Computer equipment and software	8,381			8,131
Office furniture and equipment	1,625			1,548
Construction in progress	38,421			35,163
Total	177,124			170,228
Less: accumulated depreciation	(72,268		)	(61,558		)
Fixed assets, net	$	104,856		$	108,670

For the three months ended September 30, 2019 and 2018, depreciation expense was $3.6 million and $3.5 million, respectively, and for the three months ended both September 30, 2019 and 2018, there was less than $0.1 million of capitalized interest on the construction of manufacturing sites.

For the nine months ended September 30, 2019 and 2018, depreciation expense was $10.7 million and $9.1 million, respectively. For the nine months ended September 30, 2019 there was less than $0.1 million of capitalized interest on the construction of manufacturing sites, and for the nine months ended September 30, 2018, capitalized interest was $0.7 million.

At September 30, 2019 and December 31, 2018, total fixed assets, net, includes leasehold improvements and manufacturing process equipment located in Europe in the amount of $65.1 million and $64.6 million, respectively.

During the nine months ended September 30, 2019, the Company recorded increases to its asset retirement obligations, or AROs, of $0.3 million due to a revision in estimated future cash flows related to the AROs (including those resulting from the MyoScience Acquisition). Accretion expense was $0.1 million and $0.2 million in the three and nine months ended September 30, 2019, respectively.

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ACQUISITION-RELATED CHARGES AND PRODUCT DISCONTINUATION, NET (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Non-recurring charge related to discontinuation		$ 100	$ 1,300	$ 100	$ 1,500
Myoscience Acquisition
Business Acquisition [Line Items]
Acquisition-related costs		7,600		12,100
Advisory Costs | Myoscience Acquisition
Business Acquisition [Line Items]
Acquisition-related costs		200		4,100
Separation Costs, Asset Write-downs, and Other Restructuring Charges | Myoscience Acquisition
Business Acquisition [Line Items]
Acquisition-related costs		100		700
Accounting Standards Update 2016-02
Business Acquisition [Line Items]
Business Exit Costs	$ (1,500)
Contingent Consideration
Business Acquisition [Line Items]
Fair value adjustments		$ 7,300		$ 7,327

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GOODWILL AND INTANGIBLE ASSETS - Goodwill Rollforward (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Goodwill [Roll Forward]
Balance at December 31, 2018	$ 62,040
Goodwill arising from the MyoScience Acquisition	37,507
Balance at September 30, 2019	$ 99,547

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LEASES -Schedule of maturities of operating lease liabilities (Details) $ in Thousands	Sep. 30, 2019 USD ($)
Leases [Abstract]
2019 (remaining three months)	$ 2,039
2020	7,662
2021	5,359
2022	5,486
2023	5,616
2024 through 2030	37,208
Total lease payments	63,370
Less: imputed interest	(19,445)
Total operating lease liabilities	$ 43,925

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DEBT (Details 3) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Amortization of debt discount			$ 10,216	$ 9,512
Capitalized interest (Note 6)		$ (100)		$ (700)
Effective interest rate on convertible senior notes	7.81%	7.81%	7.81%	7.81%
Convertible Senior Notes Due 2019
Contractual interest expense	$ 2,048	$ 2,051	$ 6,146	$ 6,153
Amortization of debt issuance costs	429	411	1,273	1,219
Amortization of debt discount	3,467	3,228	10,216	9,512
Capitalized interest (Note 6)	(4)	(48)	(4)	(689)
Total	$ 5,940	$ 5,642	$ 17,631	$ 16,195

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LEASES (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Summary of operating lease cost and other operating lease information

The weighted average remaining lease term and the weighted average discount rate are summarized as follows:

	September 30, 2019
Weighted average remaining lease term	9.66 years
Weighted average discount rate	7.62%

Total operating lease costs are as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
Operating Lease Costs	2019		2018		2019		2018
Fixed lease costs	$	1,585	$	2,659	4,544		5,750
Variable lease costs	403		495		1,233		1,305
Total	$	1,988	$	3,154	$	5,777	$	7,055

Supplemental cash flow information related to operating leases is as follows (in thousands):

	Nine Months Ended
	September 30, 2019
Cash paid for operating lease liabilities, net of lease incentive	$	5,247
Right-of-use assets recorded in exchange for lease obligations	$	38,419

Schedule of maturities of operating lease liabilities

Maturities of the Company’s operating lease liabilities are as follows (in thousands):

Year	Aggregate Minimum Payments Due
2019 (remaining three months)	$	2,039
2020	7,662
2021	5,359
2022	5,486
2023	5,616
2024 through 2030	37,208
Total lease payments	63,370
Less: imputed interest	(19,445		)
Total operating lease liabilities	$	43,925

Schedule of maturities of operating lease liabilities

The Company has entered into three lease agreements (not included in the table above) for which there are future obligations but the leases have not yet commenced as of September 30, 2019 (in thousands):

Year	Aggregate Minimum Payments Due
2019 (remaining three months)	$	27
2020	2,607
2021	4,878
2022	4,937
2023	5,081
2024 through 2030	35,848
Total future lease payments	$	53,378

Schedule of maturities of operating lease liabilities

As of December 31, 2018, aggregate annual minimum payments due under the Company’s lease obligations were as follows (in thousands):

Year	Aggregate Minimum Payments Due
2019	$	8,140
2020	7,621
2021	5,295
2022	5,417
2023	5,543
2024 through 2030	14,329
Total	$	46,345

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STOCK PLANS (Tables)

9 Months Ended

Sep. 30, 2019

Stockholders' Equity Note [Abstract]

Schedule of recognized stock-based compensation in consolidated statements of operations

The Company recognized stock-based compensation expense in the periods presented as follows (in thousands):

	Three Months Ended   September 30,				Nine Months Ended   September 30,
	2019		2018		2019		2018
Cost of goods sold	$	1,243	$	1,179	$	3,490	$	3,431
Research and development	1,297		1,122		3,772		2,770
Selling, general and administrative	6,704		5,807		17,199		17,338
Total	$	9,244	$	8,108	$	24,461	$	23,539
Stock-based compensation from:
Stock options (employee awards)	$	6,257	$	5,270	$	16,509	$	16,452
Stock options (consultant awards)	161		209		408		449
Restricted stock units (employee awards)	2,639		2,479		6,950		6,088
Employee stock purchase plan	187		150		594		550
Total	$	9,244	$	8,108	$	24,461	$	23,539

Schedule of the Company's stock option activity and related information

The following tables contain information about the Company’s stock option and restricted stock unit, or RSU, activity for the nine months ended September 30, 2019:

Stock Options	Number of Options		Weighted Average Exercise Price
Outstanding at December 31, 2018	5,722,818		$	41.69
Granted	1,792,978		42.81
Exercised	(251,169	)	19.88
Forfeited	(258,353	)	41.51
Expired	(125,316	)	59.20
Outstanding at September 30, 2019	6,880,958		42.46

Restricted Stock Units	Number of Units		Weighted Average Grant Date Fair Value
Unvested at December 31, 2018	577,964		$	42.14
Granted	303,168		43.57
Vested	(190,586	)	45.56
Forfeited	(49,611	)	41.04
Unvested at September 30, 2019	640,935		41.88

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ACQUISITION-RELATED CHARGES AND PRODUCT DISCONTINUATION, NET (Tables)

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

ACQUISITION-RELATED CHARGES AND PRODUCT DISCONTINUATION, NET

	Acquisition-Related Separation Costs			Acquisition-Related Asset Write-Downs			DepoCyt(e) Lease Costs			Asset Retirement Obligations, Other Restructuring and Discontinuation Costs			Total
Balance at December 31, 2018	$	—		$	—		$	1,970		$	282		$	2,252
Charges incurred	480			193			—			167			840
Cash payments made	(321		)	—			—			(307		)	(628		)
Other, including non-cash activity	—			(193		)	—			—			(193		)
Reclassifications	—			—			(1,970		)	455			(1,515		)
Balance at September 30, 2019	$	159		$	—		$	—		$	597		$	756

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DEBT

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

DEBT

DEBT

Convertible Senior Notes Due 2022

On March 13, 2017, the Company completed a private placement of $345.0 million in aggregate principal amount of 2.375% convertible senior notes due 2022, or 2022 Notes, and entered into an indenture, or 2022 Indenture, with respect to the 2022 Notes. The 2022 Notes accrue interest at a fixed rate of 2.375% per year, payable semiannually in arrears on April 1^st and October 1^st of each year. The 2022 Notes mature on April 1, 2022.

The total debt composition of the 2022 Notes is as follows (in thousands):

	September 30,			December 31,
	2019			2018
2.375% convertible senior notes due 2022	$	345,000		$	345,000
Deferred financing costs	(4,577		)	(5,850		)
Discount on debt	(38,342		)	(48,558		)
Total debt, net of debt discount and deferred financing costs	$	302,081		$	290,592

Holders may convert their 2022 Notes prior to October 1, 2021 only if certain circumstances are met, including if during the previous calendar quarter, the last reported sales price of the Company’s common stock was greater than 130% of the conversion price then applicable for at least 20 out of the last 30 consecutive trading days of the quarter. During the quarter ended September 30, 2019, this condition for conversion was not met.

On or after October 1, 2021, until the close of business on the second scheduled trading day immediately preceding April 1, 2022, holders may convert their 2022 Notes at any time.

Upon conversion, holders will receive the principal amount of their 2022 Notes and any excess conversion value, calculated based on the per share volume-weighted average price for each of the 40 consecutive trading days during the observation period (as more fully described in the 2022 Indenture). For both the principal and excess conversion value, holders may receive cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock, at the Company’s option. The initial conversion rate for the 2022 Notes is 14.9491 shares of common stock per $1,000 principal amount, which is equivalent to an initial conversion price of $66.89 per share of the Company’s common stock. The conversion rate will be subject to adjustment in some events but will not be adjusted for any accrued and unpaid interest. The initial conversion price of the 2022 Notes represents a premium of approximately 37.5% to the closing sale price of $48.65 per

share of the Company’s common stock on the Nasdaq Global Select Market on March 7, 2017, the date that the Company priced the private offering of the 2022 Notes.

As of September 30, 2019, the 2022 Notes had a market price of $987 per $1,000 principal amount. In the event of conversion, holders would forgo all future interest payments, any unpaid accrued interest and the possibility of stock price appreciation. Upon the receipt of conversion requests, the settlement of the 2022 Notes will be paid pursuant to the terms of the 2022 Indenture. In the event that all of the 2022 Notes are converted, the Company would be required to repay the $345.0 million in principal value and any conversion premium in any combination of cash and shares of its common stock (at the Company’s option).

Prior to April 1, 2020, the Company may not redeem the 2022 Notes. On or after April 1, 2020, the Company may redeem for cash, shares of the Company’s common stock or a combination of cash and shares of the Company’s common stock, at the Company’s option, all or part of the 2022 Notes if the last reported sale price (as defined in the 2022 Indenture) of the Company’s common stock has been at least 130% of the conversion price then in effect for at least 20 trading days (whether or not consecutive) during any 30 consecutive trading-day period ending within five trading days prior to the date on which the Company provides notice of redemption. The redemption price will equal the sum of (i) 100% of the principal amount of the 2022 Notes being redeemed, plus (ii) accrued and unpaid interest, including additional interest, if any, to, but excluding, the redemption date. In addition, calling the 2022 Notes for redemption will constitute a “make whole fundamental change” (as defined in the 2022 Indenture) and will, in certain circumstances, increase the conversion rate applicable to the conversion of such notes if it is converted in connection with the redemption. No sinking fund is provided for the 2022 Notes.

While the 2022 Notes are currently classified on the Company’s consolidated balance sheet at September 30, 2019 as long-term debt, the future convertibility and resulting balance sheet classification of this liability will be monitored at each quarterly reporting date and will be analyzed dependent upon market prices of the Company’s common stock during the prescribed measurement periods. In the event that the holders of the 2022 Notes have the right to convert the 2022 Notes at any time during the prescribed measurement period, the 2022 Notes would then be considered a current obligation and classified as such.

Convertible Senior Notes Due 2019

On February 1, 2019, the Company’s 3.25% convertible senior notes due 2019, or 2019 Notes, matured, and the Company paid the remaining $0.3 million of principal in full, plus a $0.2 million conversion premium in cash. The 2019 Notes accrued interest at a fixed rate of 3.25% per year and were payable semiannually in arrears on February 1^st and August 1^st of each year.

Interest Expense

The following table sets forth the total interest expense recognized in the periods presented (dollar amounts in thousands):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Contractual interest expense	$	2,048		$	2,051		$	6,146		$	6,153
Amortization of debt issuance costs	429			411			1,273			1,219
Amortization of debt discount	3,467			3,228			10,216			9,512
Capitalized interest (Note 6)	(4		)	(48		)	(4		)	(689		)
Total	$	5,940		$	5,642		$	17,631		$	16,195
Effective interest rate on convertible senior notes	7.81		%	7.81		%	7.81		%	7.81		%

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INVENTORIES

9 Months Ended

Sep. 30, 2019

Inventory Disclosure [Abstract]

INVENTORIES

INVENTORIES

The components of inventories, net are as follows (in thousands):

	September 30,		December 31,
	2019		2018
Raw materials	$	18,798	$	19,193
Work-in-process	17,472		9,711
Finished goods	23,968		19,665
Total	$	60,238	$	48,569

The Company is required to perform stability testing on select lots of EXPAREL. In October 2019, a single validation lot of EXPAREL manufactured at the Company’s contract manufacturing site located in the United Kingdom did not meet its required stability specification. The Company has temporarily halted production on the line while it investigates the root cause of the failure. Inventory from this line totals approximately $10.5 million. Depending on the outcome of the investigation and discussions with the FDA, it may be determined that some or all of this inventory may be unsellable. At this stage, no determination of an amount is possible.

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ACQUISITION-RELATED CHARGES AND PRODUCT DISCONTINUATION, NET - DepoCyte Product Discontinuance (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jan. 01, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
DepoCyte Discontinuation [Line Items]
Discontinued Operation, Tax Effect of Gain (Loss) from Disposal of Discontinued Operation		$ 100	$ 1,300	$ 100	$ 1,500
DepoCyte Discontinuation [Roll Forward]
Acquisition-Related Separation Costs, Beginning Balance	$ 0			0
Acquisition-Related Separation Costs, Charges Incurred				480
Acquisition-Related Separation Costs, Cash Payments Made				(321)
Acquisition-Related Separation Costs, Ending Balance		159		159
Acquisition-Related Asset Write-Downs, Charges Incurred				193
Acquisition-Related Asset Write-Downs, Other, Including Non-Cash Activity				(193)
DepoCyt(e) Lease Costs, Beginning Balance	1,970			1,970
DepoCyt(e) Lease Costs, Ending Balance		0		0
Asset Retirement Obligations, Other Restructuring and Discontinuation Costs, Beginning Balance	282			282
Asset Retirement Obligations, Other Restructuring and Discontinuation Costs, Charges Incurred				167
Asset Retirement Obligations, Other Restructuring and Discontinuation Costs, Cash Payments Made				(307)
Asset Retirement Obligations, Other Restructuring and Discontinuation Costs, Ending Balance		597		597
Total, Beginning Balance	2,252			2,252
Total, Charges Incurred		(7,618)	$ (1,259)	(12,266)	$ (1,511)
Total, Cash Payments Made				(628)
Total, Ending Balance		$ 756		756
DepoCyte
DepoCyte Discontinuation [Roll Forward]
Total, Charges Incurred				$ 840
Accounting Standards Update 2016-02
DepoCyte Discontinuation [Roll Forward]
Total, Reclassifications	$ (1,500)

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DEBT (Details 2) - USD ($)			9 Months Ended
	Feb. 01, 2019	Mar. 13, 2017	Sep. 30, 2019	Mar. 07, 2017
DEBT AND FINANCING OBLIGATIONS
Settlement period - convertible debt conversion request			40 days
Closing sale price (in dollars per share)			$ 38.07
Repayments of debt	$ 300,000
Repayment of Conversion Premium	$ 200,000
Convertible Senior Notes Due 2022
DEBT AND FINANCING OBLIGATIONS
Initial conversion rate of common stock per $1000 of principal amount of Notes (in shares)		14.9491
Initial conversion price of notes into common stock (in dollars per share)		$ 66.89
Convertible debt, premium on common stock		37.50%
Closing sale price (in dollars per share)				$ 48.65
Debt issuance costs, amortization period		5 years
Convertible Senior Notes Due 2022 | Conversion terms prior to close of business on business day immediately proceeding October 1, 2021
DEBT AND FINANCING OBLIGATIONS
Convertible debt, common stock closing sales price minimum, number of trading days		20 days
Convertible debt, number of consecutive trading days		30 days
Convertible debt, common stock closing sales price minimum as percentage of conversion price		130.00%
Principal amount used for debt instrument conversion ratio			$ 1,000
Market price per $1000 of principal amount of notes			987
Convertible Senior Notes Due 2022 | Debt Redemption Terms on or after April 1, 2020
DEBT AND FINANCING OBLIGATIONS
Convertible debt, common stock closing sales price minimum, number of trading days		20 days
Convertible debt, number of consecutive trading days		30 days
Convertible debt, common stock closing sales price minimum as percentage of conversion price		130.00%
Debt Instrument Conversion Obligation Number of Trading Days Prior to Date on which Entity Provides Notice of Redemption		5 days
Debt Instrument, Percentage of Principal Amount for Computation of Redemption Price		100.00%
Convertible Senior Notes Due 2019
DEBT AND FINANCING OBLIGATIONS
Stated interest rate (as a percent)	3.25%
Principal amount used for debt instrument conversion ratio			$ 1,000
Unsecured Debt | Convertible Senior Notes Due 2022
DEBT AND FINANCING OBLIGATIONS
Debt issued in private placement		$ 345,000,000.0
Stated interest rate (as a percent)		2.375%	2.375%

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GOODWILL AND INTANGIBLE ASSETS (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Apr. 09, 2019	Dec. 31, 2018
Goodwill
Goodwill recorded in connection with the acquisition	$ 99,547,000		$ 99,547,000			$ 62,040,000
Intangible assets, net	106,354,000		106,354,000			0
Amortization of acquired intangible assets	1,967,000	$ 0	3,736,000	$ 0
Amortization expense, remainder of fiscal year	2,000,000.0		2,000,000.0
Amortization expense, 2020-2032	7,900,000		7,900,000
Amortization expense, 2033	2,200,000		2,200,000
Upon first commercial sale in the United States
Goodwill
Milestone payments for EXPAREL agreed in connection with acquisition	10,000,000.0		10,000,000.0
Upon first commercial sale in a major EU country (United Kingdom, France, Germany, Italy and Spain)
Goodwill
Milestone payments for EXPAREL agreed in connection with acquisition	4,000,000.0		4,000,000.0
When annual net sales collected reach $100.0 million
Goodwill
Milestone payments for EXPAREL agreed in connection with acquisition	8,000,000.0		8,000,000.0
Annual net sales threshold	100,000,000.0		100,000,000.0
When annual net sales collected reach $250.0 million
Goodwill
Milestone payments for EXPAREL agreed in connection with acquisition	8,000,000.0		8,000,000.0
Annual net sales threshold	250,000,000.0		250,000,000.0
When annual net sales collected reach $500.0 million
Goodwill
Milestone payments for EXPAREL agreed in connection with acquisition	32,000,000.0		32,000,000.0
Annual net sales threshold	$ 500,000,000.0		$ 500,000,000.0
Skye Pharma Holding Inc.
Goodwill
Total Milestone Payments Yet to be Paid for Sale of Product in Connection with Acquisition						$ 36,000,000.0
Myoscience Acquisition
Goodwill
Goodwill recorded in connection with the acquisition					$ 37,507,000

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LEASES -Summary of operating lease cost and other operating lease information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating lease costs:
Fixed lease costs	$ 1,585	$ 2,659	$ 4,544	$ 5,750
Variable lease costs	403	495	1,233	1,305
Total	$ 1,988	$ 3,154	5,777	$ 7,055
Cash paid for operating lease liabilities, net of lease incentive
Right-of-use assets recorded in exchange for lease obligations			$ 5,247
Weighted average remaining lease term	9 years 7 months 28 days		9 years 7 months 28 days
Weighted average discount rate	7.62%		7.62%
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability			$ 38,419

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STOCK PLANS (Details 2)	9 Months Ended
	Sep. 30, 2019 $ / shares shares
Weighted Average Exercise Price
Weighted average fair value (in dollars per share)	$ 20.97
Employee Stock Option
Number of Options
Outstanding beginning of period (in shares) | shares	5,722,818
Granted (in shares) | shares	1,792,978
Exercised (in shares) | shares	(251,169)
Forfeited (in shares) | shares	(258,353)
Expired (in shares) | shares	(125,316)
Outstanding end of period (in shares) | shares	6,880,958
Weighted Average Exercise Price
Outstanding beginning of period (in dollars per share)	$ 41.69
Granted (in dollars per share)	42.81
Exercised (in dollars per share)	19.88
Forfeited (in dollars per share)	41.51
Expired (in dollars per share)	59.20
Outstanding at end of period (in dollars per share)	$ 42.46

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FINANICIAL INSTRUMENTS (Details 2) - Myoscience Acquisition	9 Months Ended
	Sep. 30, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Projected years of payment for regulatory milestones	4 years 3 months
Contingent Consideration | Minimum | Fair Value, Inputs, Level 3 | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input, contingent consideration	0.0529
Contingent Consideration | Minimum | Fair Value, Inputs, Level 3 | Measurement Input, Expected Milestone Payment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input, contingent consideration	0.0000
Contingent Consideration | Maximum | Fair Value, Inputs, Level 3 | Measurement Input, Discount Rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input, contingent consideration	0.0564
Contingent Consideration | Maximum | Fair Value, Inputs, Level 3 | Measurement Input, Expected Milestone Payment
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input, contingent consideration	1.0000

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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Collaborative Licensing and Development Revenue	$ 0	$ 0	$ 0	$ 3,000,000
Revenues:
Total revenues	104,685,000	83,448,000	298,602,000	242,163,000
Operating expenses:
Cost of goods sold	22,304,000	19,065,000	74,809,000	62,866,000
Research and development	20,255,000	14,897,000	52,466,000	41,514,000
Selling, general and administrative	50,128,000	44,179,000	146,559,000	132,619,000
Amortization of acquired intangible assets	1,967,000	0	3,736,000	0
Acquisition-related charges and product discontinuation, net	7,618,000	1,259,000	12,266,000	1,511,000
Total operating expenses	102,272,000	79,400,000	289,836,000	238,510,000
Income from operations	2,413,000	4,048,000	8,766,000	3,653,000
Other (expense) income:
Interest income	1,736,000	1,586,000	5,709,000	4,493,000
Interest expense	(5,940,000)	(5,642,000)	(17,631,000)	(16,195,000)
Other, net	(4,025,000)	(694,000)	(4,051,000)	(699,000)
Total other expense, net	(8,229,000)	(4,750,000)	(15,973,000)	(12,401,000)
Income (loss) before income taxes	(5,816,000)	(702,000)	(7,207,000)	(8,748,000)
Income tax (expense) benefit	(271,000)	62,000	1,079,000	(8,000)
Net loss	$ (6,087,000)	$ (640,000)	$ (6,128,000)	$ (8,756,000)
Earnings Per Share, Basic and Diluted	$ (0.15)	$ (0.02)	$ (0.15)	$ (0.21)
Weighted average common shares outstanding:
Basic (in shares)	41,645	40,995	41,423	40,833
Product [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 104,350,000	$ 82,708,000	$ 297,080,000	$ 237,713,000
Royalty [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 335,000	$ 740,000	$ 1,522,000	$ 1,450,000

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019 customer segment	Sep. 30, 2018
Concentration of Major Customers
Number of reportable segments | segment			1
Concentration risk by major customer
Concentration of Major Customers
Number of major customers | customer			3
Net revenue | Concentration risk by major customer
Concentration of Major Customers
Percentage of revenue from customers to total revenue	90.00%	90.00%	89.00%	90.00%
Net revenue | Concentration risk by major customer | Largest wholesaler
Concentration of Major Customers
Percentage of revenue from customers to total revenue	34.00%	34.00%	34.00%	34.00%
Net revenue | Concentration risk by major customer | Second largest wholesaler
Concentration of Major Customers
Percentage of revenue from customers to total revenue	29.00%	30.00%	29.00%	30.00%
Net revenue | Concentration risk by major customer | Third largest wholesaler
Concentration of Major Customers
Percentage of revenue from customers to total revenue	27.00%	26.00%	26.00%	26.00%

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MYOSCIENCE ACQUISITION - Schedule of Business Acquisition (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Apr. 09, 2019	Sep. 30, 2019	Jun. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Acquisition-related contingent consideration		$ 7,000			$ 7,000
Goodwill		99,547			99,547			$ 62,040
Revenues		104,685		$ 83,448	298,602	$ 242,163
Myoscience Acquisition
Business Acquisition [Line Items]
Acquisition-related contingent consideration		35,800			35,800
Goodwill, Translation and Purchase Accounting Adjustments		1,000
Cash paid, adjusted for working capital items	$ 119,038
Fair value of contingent consideration	28,470
Total		147,508
Current assets	5,275
Non-current assets (other than intangible assets)	1,044
Intangible assets (excluding goodwill)	110,090
Total assets acquired (excluding goodwill)	116,409
Current liabilities	4,436
Deferred tax liabilities, net	1,828
Other non-current liabilities	144
Total liabilities assumed	6,408
Total identifiable net assets acquired	110,001
Goodwill	37,507
Total consideration transferred	$ 147,508
Revenues			$ 4,674
Net loss			$ (5,555)
Achievement of Regulatory Milestone [Domain]
Business Acquisition [Line Items]
Acquisition-related contingent consideration		7,000			7,000
Scenario, Forecast | Achievement of Regulatory Milestone [Member]
Business Acquisition [Line Items]
Acquisition-related contingent consideration		$ 5,000			$ 5,000
Scenario, Forecast | Subsequent Event | Achievement of Development and Commercial Milestones
Business Acquisition [Line Items]
Acquisition-related contingent consideration							$ 10,000

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DESCRIPTION OF BUSINESS

9 Months Ended

Sep. 30, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

DESCRIPTION OF BUSINESS

DESCRIPTION OF BUSINESS

Pacira BioSciences, Inc. and its subsidiaries (collectively, the “Company” or “Pacira”) is a leading provider of non-opioid pain management options to advance and improve outcomes for health care practitioners and their patients. The Company’s long-acting, local analgesic, EXPAREL^® (bupivacaine liposome injectable suspension), was commercially launched in the United States in April 2012. EXPAREL utilizes DepoFoam^®, a unique and proprietary delivery technology that encapsulates drugs without altering their molecular structure, and releases them over a desired period of time. In April 2019, the Company added iovera°^® to its commercial offering with its acquisition of MyoScience, Inc., or MyoScience. The iovera° system is a handheld cryoanalgesia device used to deliver a precise, controlled application of cold temperature to only targeted nerves.

The Company changed its name from Pacira Pharmaceuticals, Inc. to Pacira BioSciences, Inc. upon completing the acquisition of MyoScience in order to better reflect a broadening portfolio of innovative non-opioid pain management and regenerative health solutions. See Note 4, MyoScience Acquisition, for more information.

Pacira is subject to risks common to companies in similar industries and stages, including, but not limited to, competition from larger companies, reliance on revenue from two products, reliance on a limited number of manufacturing sites, new technological innovations, dependence on key personnel, reliance on third-party service providers and sole source suppliers, protection of proprietary technology, compliance with government regulations and risks related to cybersecurity.

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LEASES -Narrative (Details)	9 Months Ended
	Sep. 30, 2019 ft²
Lease term renewal	4 years
Weighted average remaining lease term	9 years 7 months 28 days
Weighted average discount rate	7.62%
Minimum
Term of contract	1 year
Maximum
Term of contract	11 years
Fremont, California | Building
Operating lease, area (in sq ft)	20,000

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MYOSCIENCE ACQUISITION (Tables)

9 Months Ended

Sep. 30, 2019

Business Combinations [Abstract]

Schedule of Business Acquisition

CryoTech results from the acquisition date of April 10, 2019 through September 30, 2019, which are included in the condensed consolidated statements of operations, are as follows (in thousands):

Classification in Condensed Consolidated Statements of Operations	Acquisition Date Through September 30, 2019
Total revenues	$	4,674
Net loss	$	(5,555	)

The total consideration for the MyoScience Acquisition was $147.5 million, which consisted of the following (in thousands):

Purchase Price	Amount
Cash paid, adjusted for working capital items	$	119,038
Fair value of contingent consideration	28,470
Total	$	147,508

The following tables set forth the preliminary allocation of the MyoScience Acquisition purchase price to the estimated fair value of the net assets acquired at the acquisition date (in thousands):

	Amounts Recognized at the Acquisition Date (Unaudited)
ASSETS ACQUIRED
Current assets	$	5,275
Non-current assets (other than intangible assets)	1,044
Intangible assets (excluding goodwill)	110,090
Total assets acquired (excluding goodwill)	$	116,409
LIABILITIES ASSUMED
Current liabilities	$	4,436
Deferred tax liabilities, net	1,828
Other non-current liabilities	144
Total liabilities assumed	6,408
Total identifiable net assets acquired	110,001
Goodwill	37,507
Total consideration transferred	$	147,508

Unaudited Pro Forma Summary of Operations

The following table shows the unaudited pro forma summary of operations for the three months ended September 30, 2018 and the nine months ended September 30, 2019 and 2018, as if the MyoScience Acquisition had occurred on January 1, 2018. This pro forma information does not purport to represent what the Company’s actual results would have been if the acquisition had occurred as of January 1, 2018, and is not indicative of what such results would be expected for any future period (in thousands, except per share amounts):

	Three Months Ended   September 30,			Nine Months Ended   September 30,
	2018			2019			2018
Total revenues	$	84,916		$	301,051		$	245,721
Net loss	$	(6,944	)	$	(10,633	)	$	(27,663	)
Pro forma basic and diluted net loss per share	$	(0.17	)	$	(0.26	)	$	(0.68	)

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Subsequent Events (Notes)

3 Months Ended

Dec. 31, 2019

Subsequent Event [Line Items]

Subsequent Events [Text Block]

NOTE 17—SUBSEQUENT EVENTS

Contingent Consideration

In November 2019, the Company received new regulatory information and now expects to achieve an additional $10.0 million contingent regulatory milestone related to the MyoScience Acquisition, which can be made in either cash or shares of the Company’s common stock, or a combination thereof, at the election of MyoScience shareholders. As a result, in the fourth quarter of 2019, the Company expects to record a charge to acquisition-related charges of approximately $9.0 million. For more information regarding contingent milestone payments related to the MyoScience Acquisition, refer to Note 4, MyoScience Acquisition.

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NET INCOME (LOSS) PER SHARE

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

NET INCOME (LOSS) PER SHARE

NET INCOME (LOSS) PER SHARE

Basic net income (loss) per share is calculated by dividing the net income (loss) attributable to common shares by the weighted average number of common shares outstanding during the period. Diluted net income (loss) per common share is calculated by dividing the net income (loss) attributable to common shares by the weighted average number of common shares outstanding plus dilutive potential common shares outstanding during the period. Potential common shares include the shares of common stock issuable upon the exercise of outstanding stock options, the vesting of RSUs, the purchase of shares from the ESPP (using the treasury stock method) as well as the conversion of the excess conversion value on the 2022 Notes. As discussed in Note 9, Debt, the Company has the option to pay cash for the aggregate principal amount due upon the conversion of its 2022 Notes. Since it is the Company’s intent to settle the principal amount of its 2022 Notes in cash, the potentially dilutive effect of such notes on net income (loss) per share is computed under the treasury stock method. The Company settled the principal and conversion premium of its 2019 Notes in cash.

Potential common shares are excluded from the diluted net income (loss) per share computation to the extent they would be antidilutive. Because the Company reported a net loss for each of the three and nine month periods ended September 30, 2019 and 2018, no potentially dilutive securities have been included in the computation of diluted net loss per share for those periods.

The following table sets forth the computation of basic and diluted net loss per share for the three and nine months ended September 30, 2019 and 2018 (in thousands, except per share amounts):

	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(6,087	)	$	(640	)	$	(6,128	)	$	(8,756	)
Denominator:
Weighted average common shares outstanding—basic and diluted	41,645			40,995			41,423			40,833
Net loss per share:
Basic and diluted net loss per common share	$	(0.15	)	$	(0.02	)	$	(0.15	)	$	(0.21	)

The following outstanding stock options, RSUs and ESPP purchase options are antidilutive in the periods presented (in thousands):

	Three Months Ended   September 30,		Nine Months Ended   September 30,
	2019	2018	2019	2018
Weighted average number of stock options	5,443	5,988	4,816	5,392
Weighted average number of RSUs	266	618	154	528
Weighted average ESPP purchase options	33	29	23	32
Total	5,742	6,635	4,993	5,952