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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2019

Effective January 1, 2019, the Company adopted ASC No. 2016‑02, Leases (Topic 842) (“ASU 2016‑02” or “ASC 842”), which supersedes the current accounting for leases, using the modified retrospective transition method. The Company has elected to apply the practical expedients allowed by the standard for existing leases. The new standard, while retaining two distinct types of leases, finance and operating, (i) requires lessees to record a right-of-use (“ROU”) asset and a related liability for the rights and obligations associated with a lease, regardless of lease classification, and recognize lease expense in a manner similar to current accounting, (ii) eliminates current real estate specific lease provisions, (iii) modifies the lease classification criteria and (iv) aligns many of the underlying lessor model principles with those in the new revenue standard. The Company determines the initial classification and measurement of its ROU asset and lease liabilities at the lease commencement date and thereafter, if modified. The Company recognizes a ROU asset for its operating leases with lease terms greater than 12 months. The lease term includes any renewal options and termination options that the Company is reasonably assured to exercise. The present value of lease payments is determined by using the incremental borrowing rate for operating leases determined by using the incremental borrowing rate of interest that the Company would pay to borrow on a collateralized basis an amount equal to the lease payments in a similar economic environment. The Company applied the new guidance to its existing facility lease at the time of adoption and recognized a ROU asset of $2.4 million and operating lease liability of $2.9 million as of March 31, 2019, the initial period of adoption, and removed the previous deferred rent balance under the previous lease guidance of approximately $0.6 million. The Company entered into another facility lease for smaller office space during the third quarter of 2019 and also applied this guidance to create an additional ROU asset and operating lease liability. The two leases are presented together on the Company’s condensed consolidated balance sheet.

Rent expense for operating leases is recognized on a straight-line basis over the reasonably assured lease term based on the total lease payments and is included in research and development and general and administrative expenses in the statements of operations.

Beneficial Conversion Feature - SafeOp Convertible Notes

Beneficial Conversion Feature – SafeOp Convertible Notes

In March 2019, the Company’s Convertible Note outstanding reached maturity and allowed for the noteholders to elect settlement in cash or shares of common stock. As the Convertible Note provided the holders the benefit to convert to shares of common stock, a beneficial conversion feature (“BCF”) with a calculated intrinsic fair value at issuance of $0.2 million existed as of the date the Convertible Note was able to be converted into shares of common stock. Although the holders elected for cash settlement, the BCF was required to be recognized as interest expense on the Company’s consolidated statement of operations and within additional paid-in-capital within the Company’s condensed consolidated statement of stockholders’ equity for the nine months ended September 30, 2019.

Fair Value Measurements

The carrying amount of financial instruments consisting of cash, restricted cash, trade accounts receivable, prepaid expenses and other current assets, accounts payable, accrued expenses, accrued compensation and current portion of long-term debt included in the Company’s consolidated financial statements are reasonable estimates of fair value due to their short maturities. Based on the borrowing rates currently available to the Company for loans with similar terms, management believes the fair value of long-term debt approximates its carrying value.

Authoritative guidance establishes a three-tier fair value hierarchy, which prioritizes the inputs used in measuring fair value as follows:

Level 1:

Observable inputs such as quoted prices in active markets;

Level 2:

Inputs, other than the quoted prices in active markets, that are observable either directly or indirectly; and

Level 3:

Unobservable inputs in which there is little or no market data, which require the reporting entity to develop its own assumptions.

The Company does not maintain any financial assets that are considered to be Level 1, Level 2 or Level 3 instruments as of September 30, 2019. The fair value of the contingent consideration liability assumed in the SafeOp acquisition was recorded as part of the purchase price consideration of the acquisition. The contingent consideration related to the SafeOp acquisition was classified within Level 3 of the fair value hierarchy as the Company was using a probability-weighted income approach, utilizing significant unobservable inputs including the probability of achieving each of the potential milestones and an estimated discount rate related to the risks of the expected cash flows attributable to the milestones. All the contingent milestones were achieved as of September 30, 2019. During the second quarter of 2019, the Company issued a liability classified equity award to one of its executive officers. The award will be earned over a 4 year vesting period and upon a specific market condition. As the award will be cash settled, it is classified as a liability within Level 3 of the fair value hierarchy as the Company is using a probability-weighted income approach, utilizing significant unobservable inputs including the probability of achieving the specified market condition with the valuation updated at each reporting period. The full fair value of the cash settled award was $1.1 million as of September 30, 2019 and is being recognized ratably as the underlying service period is provided.

The following table provides a reconciliation of liabilities measured at fair value using significant unobservable inputs (Level 3) for the nine months ended September 30, 2019 (in thousands):

	Level 3 Liabilities
Balance at January 1, 2019	$	2,600
Settlement of Milestone #2		(2,889	)
Change in fair value measurement		289
Balance at March 31, 2019		—
Vested portion of liability classified equity award		31
Balance at June 30, 2019	$	31
Vested portion of liability classified equity award		63
Change in fair value measurement		8
Balance at September 30, 2019	$	102

During the nine months ended September 30, 2019, the Company achieved the second of the two milestones which was settled through the issuance of 886,843 shares of the Company’s common stock. See Note 8 for further information.

Recent Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2016-02, Leases (Topic 842), which changes several aspects of the accounting for leases, including the requirement that all leases with durations greater than twelve months be recognized on the balance sheet. The guidance is effective for annual and interim reporting periods in fiscal years beginning after December 15, 2018. The Company adopted the guidance effective January 1, 2019 and elected the optional transition method to account for the impact of the adoption with a cumulative-effect adjustment in the period of adoption and did not restate prior periods. The Company elected certain practical expedients permitted under the transition guidance. As part of the adoption, the Company recorded a ROU asset and liability upon adoption of the guidance pertaining to its long-term real estate lease for its corporate facilities. No cumulative-effect adjustment was needed.

Recently Issued Accounting Pronouncements

In January 2017, the FASB issued ASU 2017-04, Intangibles – Goodwill and Other, which eliminates the requirement to calculate the implied fair value of goodwill to measure a goodwill impairment charge. Instead, entities will record an impairment charge based on the excess of a reporting unit’s carrying amount over its fair value. The standard has tiered effective dates, starting in 2020 for calendar-year public business entities that meet the definition of an SEC filer. Early adoption is permitted for annual and interim goodwill impairment testing dates after January 1, 2017. The Company is in the process of determining the impacts the adoption will have on its consolidated financial statements as well as whether to early adopt the new guidance.