10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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 000-32929

MOSYS, INC.

(Exact name of registrant as specified in its charter)

Delaware	77-0291941
(State or other jurisdiction	(I.R.S. Employer
of Incorporation or organization)	Identification Number)

2309 Bering Drive

San Jose, California, 95131

(Address of principal executive office and zip code)

(408) 418-7500

(Registrant’s telephone number, including area code)

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

Title of each class	Trading symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.001 per share	MOSY	Nasdaq Capital 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 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, a smaller reporting company or an emerging growth company. See 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 provided 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 ☒

The number of outstanding shares of the registrant’s common stock, par value $0.001 per share, was 2,177,552 as of November 1, 2019.

MOSYS, INC.

FORM 10-Q

September 30, 2019

TABLE OF CONTENTS

PART I —	FINANCIAL INFORMATION	3
Item 1.	Financial Statements (Unaudited):	3
	Condensed Consolidated Balance Sheets as of September 30, 2019 and December 31, 2018	3
	Condensed Consolidated Statements of Operations and Comprehensive Loss for the three and nine months ended September 30, 2019 and 2018	4
	Condensed Consolidated Statements of Stockholders’ Equity for the three and nine months ended September 30, 2019 and 2018	5
	Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2019 and 2018	6
	Notes to Condensed Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	19
Item 4.	Controls and Procedures	24
PART II —	OTHER INFORMATION	24
Item 1.	Legal Proceedings	24
Item 1A.	Risk Factors	24
Item 6.	Exhibits	25
	Signatures	26

PART I—FINANCIAL INFORMATION

Item 1. Financial Statements

MOSYS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

(In thousands, except par value)

	September 30,			December 31,
	2019			2018
ASSETS
Current assets
Cash and cash equivalents	$	6,170		$	7,104
Short-term investments		650			—
Accounts receivable		893			1,622
Inventories		1,215			1,148
Prepaid expenses and other		596			923
Total current assets		9,524			10,797
Property and equipment, net		193			279
Goodwill		—			420
Right-of-use lease asset		203			—
Other		139			260
Total assets	$	10,059		$	11,756
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current liabilities
Accounts payable	$	131		$	236
Deferred revenue		146			273
Short-term lease liability		197			—
Accrued expenses and other		1,249			1,402
Total current liabilities		1,723			1,911
Long-term liabilities		19			17
Convertible notes payable		2,858			2,671
Total liabilities		4,600			4,599
Commitments and contingencies (Note 4)
Stockholders’ equity
Preferred stock, $0.01 par value; 20,000 shares authorized; none issued and    outstanding		—			—
Common stock, $0.001 par value; 120,000 shares authorized; 2,178 shares    and 2,148 shares issued and outstanding at September 30, 2019 and    December 31, 2018, respectively		2			2
Additional paid-in capital		243,217			243,022
Accumulated other comprehensive income		1			—
Accumulated deficit		(237,761	)		(235,867	)
Total stockholders’ equity		5,459			7,157
Total liabilities and stockholders’ equity	$	10,059		$	11,756

The accompanying notes are an integral part of these condensed consolidated financial statements.

3

MOSYS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS

(Unaudited)

(In thousands, except per share data)

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2019			2018			2019			2018
Net revenue
Product	$	1,037		$	4,056		$	7,233		$	11,811
Royalty and other		169			287			559			1,338
Total net revenue		1,206			4,343			7,792			13,149
Cost of net revenue		407			1,948			2,989			5,382
Gross profit		799			2,395			4,803			7,767
Operating expenses
Research and development		1,097			1,023			3,231			3,064
Selling, general and administrative		1,059			919			2,963			3,158
Impairment of goodwill		420			3,159			420			3,159
Total operating expenses		2,576			5,101			6,614			9,381
Loss from operations		(1,777	)		(2,706	)		(1,811	)		(1,614	)
Interest expense		(54	)		(104	)		(164	)		(531	)
Other income, net		30			—			81			—
Loss before income tax provision		(1,801	)		(2,810	)		(1,894	)		(2,145	)
Income tax provision		—			2			—			4
Net loss	$	(1,801	)	$	(2,812	)	$	(1,894	)	$	(2,149	)
Other comprehensive income, net of tax:
Net unrealized gains on available-for-sale securities		—			—			1			—
Comprehensive loss	$	(1,801	)	$	(2,812	)	$	(1,893	)	$	(2,149	)
Net loss per share
Basic and diluted	$	(0.83	)	$	(6.83	)	$	(0.88	)	$	(5.25	)
Shares used in computing net loss per share
Basic and diluted		2,171			412			2,161			409

The accompanying notes are an integral part of these condensed consolidated financial statements.

4

MOSYS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

(Unaudited)

(In thousands)

								Accumulated
					Additional			Other
	Common Stock				Paid-In			Comprehensive		Accumulated
	Shares		Amount		Capital			Income		Deficit			Total
Balance as of December 31, 2018		2,148	$	2	$	243,022			—	$	(235,867	)	$	7,157
Issuance of common stock for release of awards		9		—		(1	)		—		—			(1	)
Stock-based compensation		—		—		(4	)		—		—			(4	)
Net income		—		—		—			—		10			10
Balance as of March 31, 2019		2,157		2		243,017			—		(235,857	)		7,162
Issuance of common stock for release of awards		5		—		—			—		—			—
Stock-based compensation		—		—		119			—		—			119
Unrealized gain on available-for-sale investments		—		—		—			1		—			1
Net loss		—		—		—			—		(103	)		(103	)
Balance as of June 30, 2019		2,162		2		243,136			1		(235,960	)		7,179
Issuance of common stock for release of awards		16		—		(3	)		—		—			(3	)
Stock-based compensation		—		—		84			—		—			84
Net loss		—		—		—			—		(1,801	)		(1,801	)
Balance as of September 30, 2019		2,178	$	2	$	243,217		$	1	$	(237,761	)	$	5,459
								Accumulated
					Additional			Other
	Common Stock				Paid-In			Comprehensive		Accumulated
	Shares		Amount		Capital			Income		Deficit			Total
Balance as of December 31, 2017		404	$	—	$	232,034		$	—	$	(224,688	)	$	7,346
Cumulative effect of accounting change		—		—		—			—		230			230
Issuance costs for the sale of common stock		—		—		(12	)		—		—			(12	)
Issuance of common stock for release of awards		5		—		(38	)		—		—			(38	)
Stock-based compensation		—		—		93			—		—			93
Net income		—		—		—			—		348			348
Balance as of March 31, 2018		409		—		232,077			—		(224,110	)		7,967
Stock-based compensation		—		—		159			—		—			159
Net income		—		—		—			—		315			315
Balance as of June 30, 2018		409		—		232,236			—		(223,795	)		8,441
Issuance of common stock for release of awards		5		—		(8	)		—		—			(8	)
Stock-based compensation		—		—		194			—		—			194
Net loss		—		—		—			—		(2,812	)		(2,812	)
Balance as of September 30, 2018		414	$	—	$	232,422		$	—	$	(226,607	)	$	5,815

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

MOSYS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands)

	Nine Months Ended
	September 30,
	2019			2018
Cash flows from operating activities:
Net loss	$	(1,894	)	$	(2,149	)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization		148			486
Stock-based compensation		199			446
Amortization of intangible assets		—			83
Impairment of goodwill		420			3,159
Amortization of debt issuance costs		—			30
Accrued interest		164			500
Other		(11	)		—
Changes in assets and liabilities
Accounts receivable		729			(822	)
Inventories		(67	)		395
Prepaid expenses and other assets		448			782
Accounts payable		(105	)		(30	)
Deferred revenue and other liabilities		(257	)		(2,469	)
Net cash provided by (used in) operating activities		(226	)		411
Cash flows from investing activities:
Purchases of property and equipment		(62	)		(45	)
Proceeds from maturities of short-term investments		925			—
Purchases of short-term investments		(1,567	)		—
Net cash used in investing activities		(704	)		(45	)
Cash flows from financing activities:
Issuance costs for sale of common stock		—			(12	)
Taxes paid to net share settle equity awards		(4	)		(46	)
Net cash used in financing activities		(4	)		(58	)
Net increase (decrease) in cash and cash equivalents		(934	)		308
Cash and cash equivalents at beginning of period		7,104			3,868
Cash and cash equivalents at end of period	$	6,170		$	4,176
Supplemental disclosure:
Issuance of convertible notes in settlement of accrued interest	$	187		$	846

The accompanying notes are an integral part of these condensed consolidated financial statements.

6

MOSYS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

Note 1. The Company and Summary of Significant Accounting Policies

MoSys, Inc. (the Company) was incorporated in California in September 1991 and reincorporated in September 2000 in Delaware. The Company’s strategy and primary business objective is to be an IP-rich fabless semiconductor company focused on the development and sale of integrated circuit (IC) and related firmware products. Its Bandwidth Engine ICs combine the Company’s proprietary high-density embedded memory with its high-speed 10 gigabits per second and higher interface technology.

The accompanying condensed consolidated financial statements of the Company have been prepared without audit.  

The condensed consolidated balance sheet as of December 31, 2018 has been derived from the audited consolidated financial statements at that date. Certain information and disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (GAAP) have been condensed or omitted in accordance with these rules and regulations of the Securities and Exchange Commission (SEC). The information in this report should be read in conjunction with the Company’s consolidated financial statements and notes thereto included in its most recent annual report on Form 10-K filed with the SEC.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments) necessary to summarize fairly the Company’s financial position, results of operations and cash flows for the interim periods presented. The operating results for the three and nine months ended September 30, 2019 are not necessarily indicative of the results that may be expected for the year ending December 31, 2019 or for any other future period.          

Basis of Presentation

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The Company’s fiscal year ends on December 31 of each calendar year.

Reverse Stock Split

On August 27, 2019, the Company filed a certificate of amendment to its amended and restated certificate of incorporation with the Secretary of State of the State of Delaware to effect a 1-for-20 reverse stock split of the Company’s shares of common stock. Such amendment and ratio were previously approved by the Company’s stockholders and board of directors, respectively.

As a result of the reverse stock split, which was effective August 28, 2019, every 20 shares of the Company’s pre-reverse split outstanding common stock were combined and reclassified into one share of common stock. Proportionate voting rights and other rights of common stock holders were not affected by the reverse stock split. No fractional shares were issued in connection with the reverse stock split; stockholders who would otherwise hold a fractional share of the Company’s common stock received cash in an amount equal to the product obtained by multiplying (i) the closing sale price of the common stock on the effective date of the reverse stock split as reported on The Nasdaq Stock Market, by (ii) the number of shares of the common stock held by the stockholder that would otherwise have been exchanged for the fractional share interest. All stock options and restricted stock units outstanding and common stock reserved for issuance under the Company’s equity incentive plans and warrants outstanding immediately prior to the reverse stock split were adjusted by dividing the number of affected shares of common stock by 20 and, as applicable, multiplying the exercise price by 20, as a result of the reverse stock split.

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses recognized during the reported period. Actual results could differ from those estimates.

7

Cash Equivalents and Investments

The Company invests its excess cash in money market accounts, certificates of deposit, commercial paper, corporate debt, government-sponsored enterprise bonds and municipal bonds and considers all highly liquid debt instruments purchased with an original maturity of three months or less to be cash equivalents. Investments with original maturities greater than three months and remaining maturities less than one year are classified as short-term investments. Investments with remaining maturities greater than one year are classified as long-term investments. Management generally determines the appropriate classification of securities at the time of purchase. All securities are classified as available-for-sale. The Company’s available-for-sale short-term investments are carried at fair value, with the unrealized holding gains and losses reported in accumulated other comprehensive income. Realized gains and losses and declines in the value judged to be other than temporary are included in the other income, net line item in the condensed consolidated statements of operations and comprehensive loss. The cost of securities sold is based on the specific identification method.

Fair Value Measurements

The Company measures the fair value of financial instruments using a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels:

Level 1— Inputs used to measure fair value are unadjusted quoted prices that are available in active markets for the identical assets or liabilities as of the reporting date.

Level 2— Pricing is provided by third party sources of market information obtained through the Company’s investment advisors, rather than models. The Company does not adjust for, or apply, any additional assumptions or estimates to the pricing information it receives from advisors. The Company’s Level 2 securities may include cash equivalents and available-for-sale securities, which consist primarily of certificates of deposit, corporate debt, and government agency and municipal debt securities from issuers with high-quality credit ratings. The Company’s investment advisors obtain pricing data from independent sources, such as Standard & Poor’s, Bloomberg and Interactive Data Corporation, and rely on comparable pricing of other securities because the Level 2 securities are not actively traded and have fewer observable transactions. The Company considers this the most reliable information available for the valuation of the securities.

Level 3— Unobservable inputs that are supported by little or no market activity and reflect the use of significant management judgment are used to measure fair value. These values are generally determined using pricing models for which the assumptions utilize management’s estimates of market participant assumptions. The determination of fair value for Level 3 investments and other financial instruments involves the most management judgment and subjectivity.

Allowance for Doubtful Accounts

The Company establishes an allowance for doubtful accounts to ensure that its trade receivables balances are not overstated due to uncollectibility. The Company performs ongoing customer credit evaluations within the context of the industry in which it operates and generally does not require collateral from its customers. A specific allowance of up to 100% of the invoice value is provided for any problematic customer balances. Delinquent account balances are written off after management has determined that the likelihood of collection is remote. The Company grants credit only to customers deemed creditworthy in the judgment of management. There was no allowance for doubtful accounts receivable at either September 30, 2019 or December 31, 2018.

Inventories

The Company values its inventories at the lower of cost, which approximates actual cost on a first-in, first-out basis, or net realizable value. The Company records inventory reserves for estimated obsolescence or unmarketable inventories based upon assumptions about future demand and market conditions. Once a reserve is established, it is maintained until the product to which it relates is sold or otherwise disposed of. If actual market conditions are less favorable than those expected by management, additional adjustment to inventory valuation may be required. Charges for obsolete and slow-moving inventories are recorded based upon an analysis of specific identification of obsolete inventory items and quantification of slow moving inventory items. The Company recorded no material inventory write-downs during the three and nine months ended September 30, 2019 and $0.1 million of inventory write-downs during the three and nine months ended September 30, 2018.

8

Revenue Recognition

The Company generates revenue primarily from sales of IC products and licensing of its IP. Revenues are recognized when control is transferred to customers in amounts that reflect the consideration the Company expects to be entitled to receive in exchange for those goods. Revenue recognition is evaluated through the following five steps: (i) identification of the contract, or contracts, with a customer; (ii) identification of the performance obligations in the contract; (iii) determination of the transaction price; (iv) allocation of the transaction price to the performance obligations in the contract; and (v) recognition of revenue when or as a performance obligation is satisfied.

IC products

Revenue is recognized when performance obligations under the terms of a contract with a customer are satisfied.

The majority of the Company's contracts have a single performance obligation to transfer products. Accordingly, the Company recognizes revenue when title and risk of loss have been transferred to the customer, generally at the time of shipment of products. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products and is generally based upon a negotiated, formula, list or fixed price. The Company sells its products both directly to customers and through distributors generally under agreements with payment terms typically less than 60 days.

The Company may record an estimated allowance, at the time of shipment, for future returns and other charges against revenue consistent with the terms of sale.

Royalty and other

The Company’s licensing contracts typically provide for royalties based on the licensee’s use of the Company’s memory technology in its currently shipping commercial products. The Company estimates its royalty revenue in the calendar quarter in which the licensee uses the licensed technology.  Payments are generally received in the subsequent quarter.

Contract liabilities – deferred revenue

The Company’s contract liabilities consist of advance customer payments and deferred revenue. The Company classifies advance customer payments and deferred revenue as current or non-current based on the timing of when the Company expects to recognize revenue.

During the nine months ended September 30, 2019, the Company recognized revenue of $0.3 million that had been included in deferred revenue at December 31, 2018.

See Note 5 for disaggregation of revenue by geography.

Cost of Net Revenue

Cost of net revenue consists primarily of direct and indirect costs of IC product sales and engineering personnel costs directly related to maintenance and support services specified in licensing agreements. Maintenance and support typically include engineering support to assist in the commencement of production of a licensee’s products.

Goodwill

The Company determines the amount of potential goodwill impairment by comparing the fair value of the reporting unit with its carrying amount. To the extent the carrying value of a reporting unit exceeds its fair value, a goodwill impairment charge is recognized.

The Company has determined that it has a single reporting unit for purposes of performing its goodwill impairment test. As the Company uses the market approach to determine the step one fair value, the price of its common stock is an important component of the fair value calculation. If the Company’s stock price continues to experience significant price and volume fluctuations, this will impact the fair value of the reporting unit, which can lead to potential impairment in future periods. The Company reviews goodwill for impairment on an annual basis or whenever events or changes in

9

circumstances indicate the carrying value of an asset may not be recoverable. The Company first assesses qualitative factors to determine whether it is more-likely-than-not that the fair value of the reporting unit is less than the carrying amount as a basis for determining whether it is necessary to perform an impairment test. If the qualitative assessment warrants further analysis, the Company compares the fair value of the reporting unit to its carrying value. The fair value of the reporting unit is determined using the market approach. If the fair value of the reporting unit exceeds the carrying value of net assets of the reporting unit, goodwill is not impaired. If the carrying value of the reporting unit’s goodwill exceeds its fair value, then the Company must record an impairment charge equal to the difference. The Company performed its annual test for goodwill impairment as of September 1, 2019, and, due to a decrease in the price per share of its common stock, the test results indicated the goodwill carrying value was greater than its implied fair value. Further, the Company concluded a triggering event had occurred due to the sustained decrease in the price per share of its common stock and related reduced market capitalization as of September 30, 2019 and performed an additional test for impairment of its goodwill asset resulting in further indication that the goodwill carrying value was still greater than its implied fair value. As a result of both of these tests, the Company recorded non-cash impairment charges totaling $0.4 million.  As a result of these charges, the Company’s goodwill balance was reduced to zero at September 30, 2019.

Warrants

As of September 30, 2019 and December 31, 2018, the Company had the following outstanding warrants to purchase common stock:

Warrant type	Number of shares		Exercise Price		Expiration date
Pre-funded common stock		115,538	$	0.02	None
Common stock		33,125	$	47.00	January 2023
Common stock		1,845,540	$	6.00	October 2023

Per Share Amounts

Basic net income (loss) per share is computed by dividing net income (loss) for the period by the weighted-average number of shares of common stock outstanding during the period. Diluted net income (loss) per share gives effect to all potentially dilutive common shares outstanding during the period. Potentially dilutive common shares consist of incremental shares of common stock issuable upon the exercise of stock options, vesting of stock awards and shares issuable in conjunction with the outstanding convertible notes.  

The following table sets forth the computation of basic and diluted net loss per share for the periods indicated (in thousands, except per share amounts):

	Three months ended						Nine months ended
	September 30,						September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(1,801	)	$	(2,812	)	$	(1,894	)	$	(2,149	)
Denominator:
Weighted-average common shares outstanding		2,171			412			2,161			409
Total shares: basic and diluted		2,171			412			2,161			409
Net loss per share:
Basic and diluted	$	(0.83	)	$	(6.83	)	$	(0.88	)	$	(5.25	)

10

The following table sets forth securities outstanding which were excluded from the computation of diluted net loss per share as their inclusion would be anti-dilutive (in thousands):

	September 30,
	2019		2018
Options to purchase common stock		81		17
Unvested restricted common stock units		91		19
Convertible debt		245		118
Warrants		1,994		33
Total		2,411		187

Recently Adopted Accounting Standards

In 2016, the Financial Accounting Standard Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842), which sets out the principles for the recognition, measurement, presentation and disclosure of leases. The standard introduces a new lessee model that requires most leases to be recorded on the balance sheet and eliminates the required use of bright-line tests for determining lease classification. In July 2018, the FASB issued the following standards which clarified ASU No. 2016-02 and have the same effective date as the original standard: ASU No. 2018-10, Codification Improvements to Topic 842, Leases and ASU No. 2018-11, Leases (Topic 842): Targeted Improvements. ASU No. 2018-11 includes an option to not restate comparative periods in transition and elect to use the effective date of ASU No. 2016-02 as the date of initial application of transition. In March 2019, the FASB issued ASU No. 2019-01, Leases (Topic 842): Codification Improvements, which clarifies ASU No. 2016-02 and is effective for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. The Company adopted ASU No. 2016-02, as amended, on January 1, 2019 using the optional transition method provided by the FASB in ASU No. 2018-11. As the Company did not restate comparative periods, the adoption had no impact on previously reported results. The Company elected to use the practical expedient that allowed it to not reassess: (1) whether any expired or existing contracts are or contain leases, (2) lease classification for any expired or existing leases and (3) initial direct costs for any expired or existing leases as well as the practical expedient that allows lessees to treat the lease and non-lease components of leases as a single lease component for all asset classes. The adoption of this standard had a material impact on the Company’s condensed consolidated balance sheet due to the recognition of right of use assets and lease liabilities. Upon adoption, the Company recognized right of use assets and lease liabilities of approximately $0.4 million that reflected the present value of future lease payments. The adoption of this standard did not have a material impact on the Company’s condensed consolidated results of operations or cash flows. See Note 9 for further information.

In 2016, the FASB issued ASU No. 2016-09, Compensation—Stock Compensation (Topic 718), Improvements to Employee Share-based Payment Accounting. ASU No. 2016-09 simplifies several aspects of the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. The Company adopted ASU No. 2016-09 effective January 1, 2019, and has applied the effects of the adoption from that date. ASU No. 2016-09 permits entities to make an accounting policy election related to how forfeitures will impact the recognition of compensation cost for stock-based compensation to: estimate the total number of awards for which the requisite service period will not be rendered (as previously required) or account for forfeitures as they occur. Upon the adoption of ASU No. 2016-09, the Company elected to change its accounting policy to account for forfeitures as they occur. Historically, estimated forfeitures were immaterial to the consolidated financial statements. The amendments in the standard that required use of a modified retrospective transition method did not materially impact the Company. Therefore, the Company did not recognize a cumulative-effect adjustment to accumulated deficit upon adoption.

11

Note 2: Fair Value of Financial Instruments

The estimated fair values of financial instruments outstanding were (in thousands):

	September 30, 2019
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash and cash equivalents	$	6,170	$	—	$	—	$	6,170
Short-term investments		649		1		—		650
	$	6,819	$	1	$	—	$	6,820

	December 31, 2018
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash and cash equivalents	$	7,104	$	—	$	—	$	7,104

The following table represents the Company’s fair value hierarchy for its financial assets (cash equivalents and investments) (in thousands):

	September 30, 2019
	Fair Value		Level 1		Level 2		Level 3
Money market funds	$	4,202	$	4,202	$	—	$	—
Corporate notes and commercial paper	$	650	$	—	$	650	$	—

	December 31, 2018
	Fair Value		Level 1		Level 2		Level 3
Money market funds	$	632	$	632	$	—	$	—

There were no transfers in or out of Level 1 and Level 2 securities during the three or nine months ended September 30, 2019.

Note 3. Balance Sheet Detail

	September 30,		December 31,
	2019		2018
	(in thousands)
Inventories:
Work-in-process	$	755	$	548
Finished goods		460		600
	$	1,215	$	1,148

Note 4. Commitments and Contingencies

Indemnification

In the ordinary course of business, the Company enters into contractual arrangements under which it may agree to indemnify the counterparties from any losses incurred relating to breach of representations and warranties, failure to perform certain covenants, or claims and losses arising from certain events as outlined within the particular contract, which may include, for example, losses arising from litigation or claims relating to past performance. Such indemnification clauses may not be subject to maximum loss clauses. The Company has also entered into indemnification agreements with its officers and directors. No material amounts were reflected in the Company’s condensed consolidated financial statements for the three or nine months ended September 30, 2019 or 2018 related to these indemnifications.

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The Company has not estimated the maximum potential amount of indemnification liability under these agreements due to the limited history of prior claims and the unique facts and circumstances applicable to each particular agreement. To date, the Company has not made any material payments related to these indemnification agreements.

Legal Matters

The Company is not a party to any legal proceeding that the Company believes is likely to have a material adverse effect on its condensed consolidated financial position or results of operations. From time to time the Company may be subject to legal proceedings and claims in the ordinary course of business. These claims, even if not meritorious, could result in the expenditure of significant financial resources and diversion of management efforts.       .

Note 5. Business Segments, Concentration of Credit Risk and Significant Customers

The Company operates in one business segment and uses one measurement of profitability for its business.  Net revenue is attributed to the United States and to all foreign countries based on the geographical location of the customer.

The Company recognized revenue from shipment of product and licensing of its technologies to customers by geographical location as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
North America	$	930	$	3,652	$	6,004	$	10,393
Japan		179		364		1,431		2,206
Taiwan		97		155		225		311
Rest of world		—		172		132		239
Total net revenue	$	1,206	$	4,343	$	7,792	$	13,149

Customers who accounted for at least 10% of total net revenue were:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2019	2018	2019	2018
Customer A	33%	37%	27%	34%
Customer B	19%	29%	20%	15%
Customer C	19%	*%	*%	*%
Customer D	15%	*%	18%	17%
Customer E	*%	*%	17%	18%

* Represents less than 10%

Three customers accounted for 76% of accounts receivable at September 30, 2019. Three customers accounted for 63% of accounts receivable at December 31, 2018.

Note 6. Income Tax Provision

The Company determines deferred tax assets and liabilities based upon the differences between the financial statement and tax bases of the Company’s assets and liabilities using tax rates in effect for the year in which the Company expects the differences to affect taxable income. A valuation allowance is established for any deferred tax assets for which it is more likely than not that all or a portion of the deferred tax assets will not be realized.

The Company files U.S. federal and state and foreign income tax returns in jurisdictions with varying statutes of limitations.  All tax returns from 2013 to 2018 may be subject to examination by the Internal Revenue Service, California and other states. Returns filed in foreign jurisdictions may be subject to examination for the years 2009 to 2018.  As of September 30, 2019, the Company has not recorded any liability for unrecognized tax benefits related to uncertain tax positions.

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Note 7. Stock-Based Compensation

The expense relating to stock options is recognized on a straight-line basis over the requisite service period, usually the vesting period, based on the grant-date fair value. The unamortized compensation cost, as of September 30, 2019, was $0.2 million related to stock options and is expected to be recognized as expense over a weighted-average period of approximately 2.2 years.  The expense related to restricted stock units (RSUs) is recognized over a three-to-five year vesting period and is based on the fair value of the underlying stock on the dates of grant.  The unamortized compensation cost, as of September 30, 2019, was $0.3 million related to RSUs and is expected to be recognized as expense over a weighted-average period of approximately 2.3 years.

For the three and nine months ended September 30, 2019 and 2018, there were no excess tax benefits associated with the exercise of stock options due to the Company’s historical loss positions.

Valuation Assumptions

   The fair value of the Company’s stock options granted during the nine months ended September 30, 2019 and 2018 was estimated on the grant dates using the Black-Scholes valuation option-pricing model with the following assumptions:

	Nine Months Ended
	September 30,
	2019			2018
Risk-free interest rate		2.5	%		2.2	%
Volatility		128.4	%		109.5	%
Expected life (years)	3.0 - 5.0				4.0
Dividend yield		—	%		—	%

There were no awards granted during the three months ended September 30, 2019 and 2018. The risk-free interest rate was derived from the Daily Treasury Yield Curve Rates, as published by the U.S. Department of the Treasury as of the grant date for terms equal to the expected terms of the options. The expected volatility was based on the historical volatility of the Company’s stock price over the expected term of the options. The expected term of options granted was derived from historical data based on employee exercises and post‑vesting employment termination behavior. A dividend yield of zero is applied because the Company has never paid dividends, and has no intention to pay dividends in the near future.

Prior to January 1, 2019, the stock‑based compensation expense recorded was adjusted based on estimated forfeiture rates. An annualized forfeiture rate has been used as a best estimate of future forfeitures based on the Company’s historical forfeiture experience. Stock‑based compensation expense was then adjusted in later periods if the actual forfeiture rate is different from the estimate. Upon the adoption of ASU No. 2016-09 on January 1, 2019, the Company changed its accounting policy and began accounting for forfeitures as they occur. Historically, estimated forfeitures were immaterial to the condensed consolidated financial statements.

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Common Stock Options and Restricted Stock

A summary of option and RSU activity under the Company’s Amended and Restated 2010 Equity Incentive Plan (the 2010 Plan) is presented below (in thousands, except exercise price):

				Options outstanding
							Weighted
	Shares						Average
	Available			Number of			Exercise
	for Grant			Shares			Prices
Balance as of January 1, 2019		200			17		$	83.80
Additional shares authorized under the Plan		2			—			—
RSUs granted		(101	)		—			—
RSUs cancelled and returned to the Plan		1			—			—
Options granted		(65	)		65		$	4.00
Balance as of March 31, 2019		37			82		$	20.40
RSUs granted		(6	)		—			—
Options cancelled and returned to the Plan		1			(1	)	$	144.00
Balance as of June 30, 2019		32			81		$	20.00
Plan termination		(32	)		—		$	—
Balance as of September 30, 2019		-			81		$	20.00

A summary of RSU activity under the Plan is presented below (in thousands, except for fair value):

				Weighted
				Average
	Number of			Grant-Date
	Shares			Fair Value
Non-vested shares as of January 1, 2019		14		$	24.60
Granted		101		$	4.00
Vested		(8	)	$	29.60
Cancelled		(1	)	$	25.20
Non-vested shares as of March 31, 2019		106		$	4.60
Granted		6		$	4.60
Vested		(5	)	$	16.20
Non-vested shares as of June 30, 2019		107		$	4.00
Vested		(16	)	$	4.00
Non-vested shares as of September 30, 2019		91		$	4.00

The total intrinsic value of the RSUs outstanding as of September 30, 2019 was $0.2 million.

In August 2019, the Company’s stockholders approved the 2019 Stock Incentive Plan (the 2019 Plan), and, as a result, the 2010 Plan was automatically terminated. No future grants of awards will be made under the 2010 Plan, although it will continue to govern prior awards granted thereunder, until all such awards granted have been exercised, forfeited, canceled, expired or otherwise terminated in accordance with the terms of such grants.  The 2019 Plan authorizes the board of directors or the compensation committee of the board of directors to grant a broad range of awards including stock options, stock appreciation rights, restricted stock, performance-based awards, and restricted stock units. Under the 2019 Plan, 182,500 shares have been reserved for issuance.

The term of all incentive stock options granted to a person who, at the time of grant, owns stock representing more than 10% of the voting power of all classes of the Company’s stock may not exceed five years. The exercise price of stock options granted under the 2019 Plan must be at least equal to the fair market value of the shares on the date of

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grant.  Generally, options granted under the 2019 Plan will vest over a three to four-year period and have a term of 10 years from the date of grant.  In addition, the 2019 Plan provides for automatic acceleration of vesting for options granted to non-employee directors upon a change of control of the Company.  Asof September 30, 2019, no awards had been granted under the 2019 Plan.

The following table summarizes significant ranges of outstanding and exercisable options as of September 30, 2019 (in thousands, except contractual life and exercise price):

	Options Outstanding						Options Exercisable
			Weighted
			Average
			Remaining		Weighted				Weighted
			Contractual		Average				Average		Aggregate
	Number		Life		Exercise		Number		Exercise		Intrinsic
Range of Exercise Price	Outstanding		(in Years)		Price		Exercisable		Price		value
$3.72 - $14.99		64		9.35	$	3.96		11	$	4.00	$	—
$15.00 - $25.59		8		4.05	$	15.00		5	$	15.00	$	—
$25.60 - $143.99		3		4.83	$	41.88		2	$	46.93	$	—
$144.00 - $409.99		5		6.90	$	144.00		5	$	144.00	$	—
$410.00 - $924.00		1		5.44	$	430.64		1	$	430.64	$	—
$3.72 - $924.00		81		8.46	$	20.36		24	$	56.81	$	—

There were no stock options exercised during the nine months ended September 30, 2019 or 2018.       

Note 8. Convertible Notes

In March 2016, the Company entered into a 10% Senior Secured Convertible Note Purchase Agreement (the “Purchase Agreement”) with the purchasers of $8,000,000 principal amount of 10% Senior Secured Convertible Notes due August 15, 2018 (the “Notes”), at par, in a private placement transaction effected pursuant to an exemption from the registration requirements under the Securities Act of 1933, as amended. Pursuant to amendments to the Notes and related documents in February and October 2018, the interest rate was reduced to 8%, the maturity date of the Notes was extended to August 15, 2023, and the optional conversion price was reduced from $170.00 of Note principal per share of common stock to $11.434 of Note principal per share of common stock. The conversion price is subject to adjustment upon certain events, such as stock splits, reverse stock splits, stock dividends and similar kinds of transactions, as set forth in the Purchase Agreement. Pursuant to a security agreement, the Notes are secured by a security interest in all of the assets of the Company.

Accrued interest is payable semi-annually in cash or in kind through the issuance of identical new Notes, or with a combination of the two, at the Company’s option. The Notes are noncallable and nonredeemable by the Company. The Notes are redeemable at the election of the holders if the Company experiences a fundamental change (as defined in the Notes), which generally would occur in the event (i) any person acquires beneficial ownership of shares of common stock of the Company entitling such person to exercise at least 40% of the total voting power of all of the shares of capital stock of the Company entitled to vote generally in elections of directors, (ii) an acquisition of the Company by another person through a merger or consolidation, or the sale, transfer or lease of all or substantially all of the Company’s assets, or (iii) the Company’s current directors cease to constitute a majority of the board of directors of the Company within a 12-month period, disregarding for this purpose any director who voluntarily resigns as a director or dies while serving as a director. Effective February 2018, pursuant to one amendment to the Notes, the redemption price was reduced from 120% to 100% of the principal amount of the Note to be repurchased plus accrued and unpaid interest as of the redemption date.

No Note holder shall be entitled to convert such holder’s Note if effective upon the applicable conversion date (i) the holder would have beneficial ownership of more than 19.9% of the voting capital stock of the Company as determined in accordance with Rule 13d-3 under the Securities Exchange Act of 1934, as amended, (with exceptions specified in the Purchase Agreement), or (ii) if the shares are being acquired or held with a purpose or effect of changing or influencing control of the Company, or in connection with or as a participant in any transaction having that purpose or

16

effect, as determined in the sole discretion of the board of directors of the Company. There is no required sinking fund for the Notes. The Notes have not been registered for resale, and the holder(s) do not have registration rights.

The Notes restrict the ability of the Company to incur any indebtedness for borrowed money, unless such indebtedness by its terms is expressly subordinated to the Notes in right of payment and to the security interest of the Note holder(s) in respect to the priority and enforcement of any security interest in property of the Company securing such new debt; provided that the Note holder(s) security interest and cash payment rights under the Notes shall be subordinate to a maximum of $5,000,000 of indebtedness for a secured accounts receivable line of credit facility provided to the Company by a bank or institutional lender; and, provided further, that in no event may the amount of indebtedness to which the  security interest of the Note holder(s) is subordinated exceed the outstanding balance of accounts receivable less than 90 days old for which the Company has not recorded an allowance for doubtful accounts pledged under such credit facility.

The Notes define an event of default generally as any failure by the Company to pay an amount owed under the Notes when due (subject to cure periods), a default with respect to other indebtedness of the Company resulting in acceleration of such indebtedness, the commencement of bankruptcy or insolvency proceedings, or the cessation of business.  If an event of default occurs under the Notes, the holder(s) of a majority-in-interest of the outstanding principal amount of the Notes may declare the outstanding principal amount thereof to be immediately due and payable and pursue all available remedies, including taking possession of the assets of the Company and selling them to pay the amount of debt then due, plus expenses, in accordance with applicable laws and procedures.

The Company incurred debt issuance costs of approximately $0.1 million, which were recorded as a debt discount and amortized to interest expense over the original repayment period using the effective interest rate method.  The interest expense related to the debt discount during the three and nine months ended September 30, 2019 was approximately zero and during the three and nine months ended September 30, 2018 was approximately $6,000 and $30,000, respectively.   

In accordance with the October 2018 amendment to the Notes, the Company used $7.4 million of the proceeds from a public offering of securities effected in October 2018 to repay a portion of the Notes. As of September 30, 2019, the outstanding convertible notes payable of $2.9 million were due in August 2023. In February 2019 and August 2019,  semi-annual interest payments of approximately $78,000 and $109,000, respectively, were paid in-kind with the issuance of an additional note (the Interest Note) to the Purchasers. The Interest Notes have terms identical to the Notes. As of September 30, 2019, the Notes and Interest Note could be converted into a maximum of 244,884 shares of common stock at $11.434 per share, excluding the effects of future payments of interest in-kind and a beneficial ownership ceiling of 9.9%.

Note 9. Leases

Effective January 1, 2019, the Company adopted ASU No. 2016-02, as amended, using the alternative transition method, which allowed the Company to initially apply the new lease standard at the adoption date (the “effective date method”). Under the effective date method, comparative periods are presented under previous GAAP, Accounting Standards Codification 840, and do not include any retrospective adjustments to reflect the adoption of ASU No. 2016-02. As an accounting policy, the Company has elected not to apply the recognition requirements to short-term leases and not to separate non-lease components from lease components. The Company also has elected the package of transition provisions available for existing contracts, which allowed the Company to carryforward its historical assessments of (i) whether contracts are or contain leases, (ii) lease classification and (iii) initial direct costs. The adoption did not result in a cumulative-effect adjustment to the opening balance of accumulated deficit. As a result of the adoption, the Company recorded an operating lease right-to-use asset of $0.4 million and corresponding short-term and long-term liabilities of $0.2 million and $0.2 million, respectively, as of January 1, 2019. The adoption of ASU No. 2016-02 did not have a material impact on the Company’s condensed consolidated statement of operations and comprehensive income or cash flows as of the adoption date.

The Company identified only one lease to be accounted for under ASU No. 2016-02, and this was the lease for its corporate facility, which expires in October 2020. The right-to-use asset and corresponding liability for the facility lease have been measured at the present value of the future minimum lease payments. The discount rate used to measure the lease asset and liability represents the interest rate on the Notes (8%). Lease expense is recognized on a straight-line basis over the lease term, and operating lease expense was $0.2 million for the nine months ended September 30, 2019.  

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The Company has an option to extend the lease for an additional 20.5 month period, but, as the renewal is not reasonably certain, it has not included this renewal option in its accounting for the lease.

Our future minimum payments under our facility operating lease as of September 30, 2019 are listed in the table below (in thousands).

	Operating
Year ended December 31,	lease
2019	$	55
2020		187
Total future lease payments		242
Less: imputed interest		(26	)
Present value of lease liabilities	$	216

Supplemental cash flow information related to the operating lease was as follows (in thousands):

		Nine months ended
		September 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
	Operating cash flows for lease	$	163

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ITEM 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

This Management’s Discussion and Analysis of Financial Condition and Results of Operations should be read in conjunction with the accompanying condensed consolidated financial statements and notes included in this report. This Form 10-Q contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, which include, without limitation, statements about the market for our technology, our strategy, competition, expected financial performance and capital raising efforts, all information disclosed under Item 3 of this Part I, and other aspects of our business identified in our most recent annual report on Form 10-K filed with the Securities and Exchange Commission on March 12, 2019 and in other reports that we file from time to time with the Securities and Exchange Commission. Any statements about our business, financial results, financial condition and operations contained in this Form 10-Q that are not statements of historical fact may be deemed to be forward-looking statements. Without limiting the foregoing, the words “believes,” “anticipates,” “expects,” “intends,” “plans,” “projects,” or similar expressions are intended to identify forward-looking statements. Our actual results could differ materially from those expressed or implied by these forward-looking statements as a result of various factors, including the risk factors described under Item 1A of our annual report on Form 10-K for the year ended December 31, 2018. We undertake no obligation to update publicly any forward-looking statements for any reason, except as required by law, even as new information becomes available or events occur in the future.

Company Overview

Our strategy and primary business objective is to be a profitable IP-rich fabless semiconductor company offering ICs that deliver unparalleled memory bandwidth and access rate performance for high-performance data processing in cloud networking, communications, security appliances, video, test and monitoring, and data center systems. Our solutions deliver time-to-market, performance, power, area and economic benefits for system original equipment manufacturers, or OEMs. Our principal product line and source of substantially all of our revenue is the Bandwidth Engine^® product family. Bandwidth Engine ICs combine our proprietary 1T-SRAM^® high-density embedded memory, integrated macro functions and high-speed serial interface, or SerDes I/O, with our intelligent access technology and a highly efficient interface protocol. Our second-generation Bandwidth Engine, or Bandwidth Engine 2, products are expected to be our primary revenue source through at least 2020, and we expect these products to continue to generate significant revenue thereafter. Despite our limited new product development efforts, we believe our current product portfolio positions us for future growth and profitability. We will continue to seek third-party funding for new product development efforts.

We incurred net losses of approximately $1.9 million and $11 million for the nine months ended September 30, 2019 and year ended December 31, 2018, respectively, and had an accumulated deficit of approximately $238 million as of September 30, 2019. These and prior year losses have resulted in significant negative cash flows for almost a decade and have necessitated that we raise substantial amounts of additional capital during this period. To date, we have primarily financed our operations through multiple offerings of common stock to investors and affiliates, as well as asset sale transactions and one offering of convertible notes.

We may continue to incur operating losses and will need to increase revenues substantially beyond levels that we have attained in the past in order to generate sustainable operating profit and sufficient cash flows to continue doing business without raising additional capital from time to time.

Accounting Change

On January 1, 2019, we adopted Financial Accounting Standards Board (FASB) Accounting Standards Update (ASU) No. 2016-02, Leases (Topic 842), as discussed in Notes 1 and 9 to our condensed consolidated financial statements included in Item 1 of this Report.

On January 1, 2019, we adopted FASB ASU No. 2016-09, Compensation—Stock Compensation (Topic 718), Improvements to Employee Share-based Payment Accounting, as discussed in Notes 1 and 7 to our condensed consolidated financial statements included in Item 1 of this Report.

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Sources of Revenue

Product. Product revenue is generally recognized at the time of shipment to our customers. An estimated allowance may be recorded, at the time of shipment, for future returns and other charges against revenue consistent with the terms of sale.

Royalty and other. Our licensing contracts typically provide for royalties based on the licensee’s use of our memory technology in their currently shipping commercial products. We estimate royalty revenue in the period in which the licensee uses the licensed technology. Payments are received in the following period.

Critical Accounting Policies and Estimates

The discussion and analysis of our financial condition and results of operations are based upon our condensed consolidated financial statements, which have been prepared in accordance with GAAP. The preparation of these condensed consolidated financial statements requires us to make certain estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses. On an ongoing basis we make these estimates based on our historical experience and on assumptions that we consider reasonable under the circumstances. Actual results may differ from these estimates, and reported results could differ under different assumptions or conditions. Our significant accounting policies and estimates are disclosed in Note 1 of the “Notes to Consolidated Financial Statements” in our Annual Report on Form 10-K for the year ended December 31, 2018. As of September 30, 2019, there have been no material changes to our significant accounting policies and estimates, except that we adopted ASU Nos. 2016-02 and 2016-09 effective January 1, 2019, as discussed above.

Results of Operations

Net Revenue.

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
Product -three months ended	$	1,037		$	4,056		$	(3,019	)	(74	)%
Percentage of total net revenue		86	%		93	%
Product -nine months ended	$	7,233		$	11,811		$	(4,578	)	(39	)%
Percentage of total net revenue		93	%		90	%

Product revenue decreased for the three and nine months ended September 30, 2019 compared with the same periods of 2018 primarily due to lower sales of our Bandwidth Engine products. Although we experienced increased sales of our LineSpeed products, they did not offset the decline in Bandwidth Engine shipments.  We expect our product revenues to increase for the remainder of 2019 compared with the third quarter of 2019, primarily due to increased shipments of our Bandwidth Engine products.

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
Royalty and other -three months ended	$	169		$	287		$	(118	)	(41	)%
Percentage of total net revenue		14	%		7	%
Royalty and other -nine months ended	$	559		$	1,338		$	(779	)	(58	)%
Percentage of total net revenue		7	%		10	%

Royalty and other includes license, royalty and related revenues generated from licensing agreements. The decrease in royalty and other revenue for 2019 was primarily due to a non-recurring license and related engineering services for a development project, which was completed during the nine months ended September 30, 2018, combined with lower royalty revenues in 2019 resulting from lower shipment volumes by licensees whose products incorporate our licensed IP.

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Cost of Net Revenue and Gross Profit.

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
Cost of net revenue -three months ended	$	407		$	1,948		$	(1,541	)	(79	)%
Percentage of total net revenue		34	%		45	%
Cost of net revenue -nine months ended	$	2,989		$	5,382		$	(2,393	)	(44	)%
Percentage of total net revenue		38	%		41	%

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
Gross profit -three months ended	$	799		$	2,395		$	(1,596	)	(67	)%
Percentage of total net revenue		66	%		55	%
Gross profit -nine months ended	$	4,803		$	7,767		$	(2,964	)	(38	)%
Percentage of total net revenue		62	%		59	%

Cost of net revenue is primarily comprised of direct and indirect costs related to the sale of IC products.

Cost of net revenue decreased for the three and nine months ended September 30, 2019 compared with the same periods of 2018 primarily due to decreased shipment volumes of our Bandwidth Engine products.  We expect the total cost of net revenue to increase as a percentage of total net revenue for the remainder of 2019, as we expect to achieve higher product sales in our fourth quarter as compared with our third quarter of 2019.

Gross profit decreased for the three and nine months ended September 30, 2019, compared with the same periods of 2018 due to the decrease in gross profit attributable to the reductions in product and royalty and other revenues. As a percentage of net revenue, gross profit increased due to higher gross margins on our product sales, as well as royalty and other, which generally has no associated cost, representing a higher percentage of total revenues.

Research and Development.

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
Research and development -three months ended	$	1,097		$	1,023		$	74	7	%
Percentage of total net revenue		91	%		24	%
Research and development -nine months ended	$	3,231		$	3,064		$	167	5	%
Percentage of total net revenue		41	%		23	%

Our research and development expenses include costs related to the development of our IC products and amortization of intangible assets. We expense research and development costs as they are incurred.

The increase for the three and nine months ended September 30, 2019 was primarily due to increased personnel costs and higher development expenses for our Bandwidth Engine 3 and LineSpeed products, which were partially offset by a decrease in depreciation and amortization expenses.  We expect that total research and development expenses will decrease slightly for the remainder of 2019 primarily due to reduced personnel costs and lower development costs for our new products.

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Selling, General and Administrative

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
SG&A -three months ended	$	1,059		$	919		$	140		15	%
Percentage of total net revenue		88	%		21	%
SG&A -nine months ended	$	2,963		$	3,158		$	(195	)	(6	)%
Percentage of total net revenue		38	%		24	%

Selling, general and administrative, or SG&A, expenses consist primarily of personnel and related overhead costs for sales, marketing, finance, human resources and general management.  

The increase for the three months ended September 30, 2019 was primarily due to increased consulting fees and costs incurred in connection with our annual meeting of stockholders and reverse stock split effected in August 2019.  The decrease for the nine months ended September 30, 2019 was primarily due to reduced sales commissions and stock-based compensation expenses, partially offset by increased consulting fees.  We expect total SG&A expenses to remain flat for the remainder of 2019.

Impairment of Goodwill  

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
Impairment of goodwill -three months ended	$	420		$	3,159		$	(2,739	)	(87	)%
Percentage of total net revenue		35	%		73	%
Impairment of goodwill -nine months ended	$	420		$	3,159		$	(2,739	)	(87	)%
Percentage of total net revenue		5	%		24	%

During the quarters ended September 30, 2019 and 2018, we recorded goodwill impairment charges.  See Note 1 of the condensed consolidated financial statements for additional disclosure.

Interest expense

	September 30,						Change
	2019			2018			2018 to 2019
	(dollar amounts in thousands)
Interest expense - three months ended	$	54		$	104		$	(50	)	(48	)%
Percentage of total net revenue		4	%		2	%
Interest expense - nine months ended	$	164		$	531		$	(367	)	(69	)%
Percentage of total net revenue		2	%		4	%

Interest expense consisted of interest expense on our senior secured convertible notes (the Notes).  To date, we have paid all accumulated interest for the Notes in-kind through the issuance of identical new senior secured convertible notes. As a result of an amendment to the Notes in October 2018 and repayment of principal, interest expense has been significantly lower in 2019. See Note 8 to the condensed consolidated financial statements for additional disclosure.

Liquidity and Capital Resources; Changes in Financial Condition

Cash Flows

As of September 30, 2019, we had cash, cash equivalents and short-term investments of $6.8 million and working capital of $7.8 million.

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Net cash used in operating activities was $0.2 million for the first nine months of 2019, which primarily resulted from a net loss of $1.9 million partially offset by $0.7 in net changes in assets and liabilities and non-cash charges of $0.8 million of stock-based compensation, depreciation and amortization expenses, and a goodwill impairment charge and $0.2 million of accrued interest. The changes in assets and liabilities primarily related to the timing of customer collections and inventory and other vendor payables and prepayments.

Net cash provided by operating activities was $0.4 million for the first nine months of 2018, which primarily resulted from cash generated by operations, excluding the effects of a charge for impairment of goodwill of $3.2 million, stock-based compensation of $0.4 million, depreciation and amortization expenses of $0.5 million and accrued interest of $0.5 million, and $2.1 million in net changes in assets and liabilities.  The changes in assets and liabilities primarily related to the timing of customer collections and inventory prepayments and net change in liabilities.

Net cash used in investing activities of $0.7 million for the nine months ended September 30, 2019 was mainly due to the purchase of short-term investments of $1.6 million, which did not affect our liquidity, partially offset by proceeds from the maturities of short-term investments of $0.9 million. Net cash used in investing activities during the nine months ended September 30, 2018 was for the purchase of operating equipment, and was not significant.

There were minimal cash flows used in financing activities during the nine months ended September 30, 2019. Net cash used in financing activities for the first nine months of 2018 consisted of amounts paid for employee income taxes related to net share settlement of vested RSUs and costs incurred in connection with the sale of common stock and warrants to purchase common stock in an equity offering completed in 2017.

Our future liquidity and capital requirements are expected to vary from quarter-to-quarter, depending on numerous factors, including:

• level of revenue;

• cost, timing and success of technology development efforts;

• inventory levels, timing of product shipments and length of billing and collection cycles;

• fabrication costs, including mask costs, of our ICs, currently under development;

• variations in manufacturing yields, materials costs and other manufacturing risks;

• costs of acquiring other businesses and integrating the acquired operations;

• profitability of our business; and

• whether interest payments on the Notes are paid in cash or, at our election, in-kind through the issuance of new Notes with identical terms for the accrued interest.

Working Capital

Our primary need for liquidity is to fund working capital requirements of our business, capital expenditures and general corporate purposes. We expect our cash expenditures to exceed receipts in 2019, as our revenues will not be sufficient to offset our working capital requirements.

If we were to raise additional capital through sales of our equity securities, our stockholders would suffer dilution of their equity ownership. If we engage in debt financing, we may be required to accept terms that restrict our ability to incur additional indebtedness, prohibit us from paying dividends, repurchasing our stock or making investments, and force us to maintain specified liquidity or other ratios, any of which could harm our business, operating results and financial condition. If we need additional capital and cannot raise it on acceptable terms, we may not be able to, among other things:

• repay the Notes when they are due;

23

• develop or enhance our products;

• expand our product development and sales and marketing organizations;

• acquire complementary technologies, products or businesses;

• expand operations;

• hire, train and retain employees; or

• respond to competitive pressures or unanticipated working capital requirements.

Our failure to do any of these things could seriously harm our ability to execute our business strategy and may force us to curtail our existing operations or research and development plans.

ITEM 4. Controls and Procedures

Disclosure Controls and Procedures. Our management is responsible for establishing and maintaining adequate internal control over our financial reporting. Because of inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934. Based on this evaluation, our management concluded that, as of September 30, 2019, our disclosure controls and procedures were effective.

Changes in Internal Control over Financial Reporting. During the first nine months of 2019, there was no change in our internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II—OTHER INFORMATION

ITEM 1. Legal Proceedings

The discussion of legal matters in Note 4 of the Notes to Condensed Consolidated Financial Statements included in Part I, Item 1 of this report under the heading “Legal Matters” is incorporated by reference in response to this Part II, Item 1.

ITEM 1A. Risk Factors

We face many significant risks in our business, some of which are unknown to us and not presently foreseen. These risks could have a material adverse impact on our business, financial condition and results of operations in the future. We have disclosed a number of material risks under Item 1A of our annual report on Form 10-K for the year ended December 31, 2018, which we filed with the SEC on March 12, 2019.

24

ITEM 6. Exhibits

(a)	Exhibits
	31.1	Rule 13a-14 certification
	31.2	Rule 13a-14 certification
	32.1	Section 1350 certification
	101	The following financial information from MoSys, Inc.’s Quarterly Report on Form 10-Q for the period ended September 30, 2019, filed with the SEC on November 13, 2019, formatted in Extensible Business Reporting Language (XBRL): (i) the Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) for the three and nine months ended September 30, 2019 and 2018, (ii) the Condensed Consolidated Balance Sheets as of September 30, 2019 and December 31, 2018, (iii) the Condensed Consolidated Statements of Changes in Stockholders’ Equity for the three and nine months ended September 30, 2019 and 2018, (iv) the Condensed Consolidated Statements of Cash Flows for the nine months ended September 30, 2019 and 2018, and (v) Notes to Condensed Consolidated Financial Statements.

25

Signatures

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

Dated: November 13, 2019		MOSYS, INC.
	By:	/s/ Daniel Lewis
		Daniel Lewis
		President and Chief Executive Officer
	By:	/s/ James W. Sullivan
		James W. Sullivan
		Vice President of Finance and Chief Financial Officer
		(Principal Financial Officer)

26

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO

RULE 13a-14 THE SECURITIES EXCHANGE ACT OF 1934

I, Daniel Lewis, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MoSys, Inc. for the period ended September 30, 2019;

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 13, 2019

/s/ Daniel Lewis

Daniel Lewis

President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO

RULE 13a-14 THE SECURITIES EXCHANGE ACT OF 1934

I, James W. Sullivan, certify that:

1. I have reviewed this quarterly report on Form 10-Q of MoSys, Inc. for the period ended September 30, 2019;

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 13, 2019

/s/ James W. Sullivan

James W. Sullivan

Vice President of Finance and Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CEO AND CFO FURNISHED PURSUANT TO

18 U.S.C. § 1350,

AS ADOPTED PURSUANT TO

§ 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of MoSys, Inc. (the “Company”) for the quarterly period ended September 30, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), each of Daniel Lewis, Chief Executive Officer of the Company, and James W. Sullivan, Chief Financial Officer of the Company, hereby certifies, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, to the best of his knowledge, that:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2)The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Daniel Lewis

Daniel Lewis

President and Chief Executive Officer

November 13, 2019

/s/ James W. Sullivan

James W. Sullivan

Vice President of Finance and Chief Financial Officer

November 13, 2019

This certification accompanies this Report pursuant to § 906 of the Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the Sarbanes-Oxley Act of 2002, or otherwise required, be deemed filed by the Company for purposes of § 18 of the Securities Exchange Act of 1934, as amended.

XML

Leases - Schedule of Supplemental Cash Flow Information Related to Operating lease (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for lease	$ 163

XML

The Company and Summary of Significant Accounting Policies - Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share (Details) - shares shares in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	2,411	187
Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	81	17
RSU's
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	91	19
Convertible Debt
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	245	118
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	1,994	33

XML

Leases (Tables)

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Schedule of Future Minimum Payments under Facility Operating Lease

Our future minimum payments under our facility operating lease as of September 30, 2019 are listed in the table below (in thousands).

	Operating
Year ended December 31,	lease
2019	$	55
2020		187
Total future lease payments		242
Less: imputed interest		(26	)
Present value of lease liabilities	$	216

Schedule of Supplemental Cash Flow Information Related to Operating lease

Supplemental cash flow information related to the operating lease was as follows (in thousands):

		Nine months ended
		September 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
	Operating cash flows for lease	$	163

XML

Convertible Notes

9 Months Ended

Sep. 30, 2019

Debt Disclosure [Abstract]

Convertible Notes

Note 8. Convertible Notes

In March 2016, the Company entered into a 10% Senior Secured Convertible Note Purchase Agreement (the “Purchase Agreement”) with the purchasers of $8,000,000 principal amount of 10% Senior Secured Convertible Notes due August 15, 2018 (the “Notes”), at par, in a private placement transaction effected pursuant to an exemption from the registration requirements under the Securities Act of 1933, as amended. Pursuant to amendments to the Notes and related documents in February and October 2018, the interest rate was reduced to 8%, the maturity date of the Notes was extended to August 15, 2023, and the optional conversion price was reduced from $170.00 of Note principal per share of common stock to $11.434 of Note principal per share of common stock. The conversion price is subject to adjustment upon certain events, such as stock splits, reverse stock splits, stock dividends and similar kinds of transactions, as set forth in the Purchase Agreement. Pursuant to a security agreement, the Notes are secured by a security interest in all of the assets of the Company.

Accrued interest is payable semi-annually in cash or in kind through the issuance of identical new Notes, or with a combination of the two, at the Company’s option. The Notes are noncallable and nonredeemable by the Company. The Notes are redeemable at the election of the holders if the Company experiences a fundamental change (as defined in the Notes), which generally would occur in the event (i) any person acquires beneficial ownership of shares of common stock of the Company entitling such person to exercise at least 40% of the total voting power of all of the shares of capital stock of the Company entitled to vote generally in elections of directors, (ii) an acquisition of the Company by another person through a merger or consolidation, or the sale, transfer or lease of all or substantially all of the Company’s assets, or (iii) the Company’s current directors cease to constitute a majority of the board of directors of the Company within a 12-month period, disregarding for this purpose any director who voluntarily resigns as a director or dies while serving as a director. Effective February 2018, pursuant to one amendment to the Notes, the redemption price was reduced from 120% to 100% of the principal amount of the Note to be repurchased plus accrued and unpaid interest as of the redemption date.

No Note holder shall be entitled to convert such holder’s Note if effective upon the applicable conversion date (i) the holder would have beneficial ownership of more than 19.9% of the voting capital stock of the Company as determined in accordance with Rule 13d-3 under the Securities Exchange Act of 1934, as amended, (with exceptions specified in the Purchase Agreement), or (ii) if the shares are being acquired or held with a purpose or effect of changing or influencing control of the Company, or in connection with or as a participant in any transaction having that purpose or effect, as determined in the sole discretion of the board of directors of the Company. There is no required sinking fund for the Notes. The Notes have not been registered for resale, and the holder(s) do not have registration rights.

The Notes restrict the ability of the Company to incur any indebtedness for borrowed money, unless such indebtedness by its terms is expressly subordinated to the Notes in right of payment and to the security interest of the Note holder(s) in respect to the priority and enforcement of any security interest in property of the Company securing such new debt; provided that the Note holder(s) security interest and cash payment rights under the Notes shall be subordinate to a maximum of $5,000,000 of indebtedness for a secured accounts receivable line of credit facility provided to the Company by a bank or institutional lender; and, provided further, that in no event may the amount of indebtedness to which the  security interest of the Note holder(s) is subordinated exceed the outstanding balance of accounts receivable less than 90 days old for which the Company has not recorded an allowance for doubtful accounts pledged under such credit facility.

The Notes define an event of default generally as any failure by the Company to pay an amount owed under the Notes when due (subject to cure periods), a default with respect to other indebtedness of the Company resulting in acceleration of such indebtedness, the commencement of bankruptcy or insolvency proceedings, or the cessation of business.  If an event of default occurs under the Notes, the holder(s) of a majority-in-interest of the outstanding principal amount of the Notes may declare the outstanding principal amount thereof to be immediately due and payable and pursue all available remedies, including taking possession of the assets of the Company and selling them to pay the amount of debt then due, plus expenses, in accordance with applicable laws and procedures.

The Company incurred debt issuance costs of approximately $0.1 million, which were recorded as a debt discount and amortized to interest expense over the original repayment period using the effective interest rate method.  The interest expense related to the debt discount during the three and nine months ended September 30, 2019 was approximately zero and during the three and nine months ended September 30, 2018 was approximately $6,000 and $30,000, respectively.   

In accordance with the October 2018 amendment to the Notes, the Company used $7.4 million of the proceeds from a public offering of securities effected in October 2018 to repay a portion of the Notes. As of September 30, 2019, the outstanding convertible notes payable of $2.9 million were due in August 2023. In February 2019 and August 2019,  semi-annual interest payments of approximately $78,000 and $109,000, respectively, were paid in-kind with the issuance of an additional note (the Interest Note) to the Purchasers. The Interest Notes have terms identical to the Notes. As of September 30, 2019, the Notes and Interest Note could be converted into a maximum of 244,884 shares of common stock at $11.434 per share, excluding the effects of future payments of interest in-kind and a beneficial ownership ceiling of 9.9%.

XML

The Company and Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

The Company and Summary of Significant Accounting Policies

Note 1. The Company and Summary of Significant Accounting Policies

MoSys, Inc. (the Company) was incorporated in California in September 1991 and reincorporated in September 2000 in Delaware. The Company’s strategy and primary business objective is to be an IP-rich fabless semiconductor company focused on the development and sale of integrated circuit (IC) and related firmware products. Its Bandwidth Engine ICs combine the Company’s proprietary high-density embedded memory with its high-speed 10 gigabits per second and higher interface technology.

The accompanying condensed consolidated financial statements of the Company have been prepared without audit.  

The condensed consolidated balance sheet as of December 31, 2018 has been derived from the audited consolidated financial statements at that date. Certain information and disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (GAAP) have been condensed or omitted in accordance with these rules and regulations of the Securities and Exchange Commission (SEC). The information in this report should be read in conjunction with the Company’s consolidated financial statements and notes thereto included in its most recent annual report on Form 10-K filed with the SEC.

In the opinion of management, the accompanying unaudited condensed consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments) necessary to summarize fairly the Company’s financial position, results of operations and cash flows for the interim periods presented. The operating results for the three and nine months ended September 30, 2019 are not necessarily indicative of the results that may be expected for the year ending December 31, 2019 or for any other future period.          

Basis of Presentation

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The Company’s fiscal year ends on December 31 of each calendar year.

Reverse Stock Split

On August 27, 2019, the Company filed a certificate of amendment to its amended and restated certificate of incorporation with the Secretary of State of the State of Delaware to effect a 1-for-20 reverse stock split of the Company’s shares of common stock. Such amendment and ratio were previously approved by the Company’s stockholders and board of directors, respectively.

As a result of the reverse stock split, which was effective August 28, 2019, every 20 shares of the Company’s pre-reverse split outstanding common stock were combined and reclassified into one share of common stock. Proportionate voting rights and other rights of common stock holders were not affected by the reverse stock split. No fractional shares were issued in connection with the reverse stock split; stockholders who would otherwise hold a fractional share of the Company’s common stock received cash in an amount equal to the product obtained by multiplying (i) the closing sale price of the common stock on the effective date of the reverse stock split as reported on The Nasdaq Stock Market, by (ii) the number of shares of the common stock held by the stockholder that would otherwise have been exchanged for the fractional share interest. All stock options and restricted stock units outstanding and common stock reserved for issuance under the Company’s equity incentive plans and warrants outstanding immediately prior to the reverse stock split were adjusted by dividing the number of affected shares of common stock by 20 and, as applicable, multiplying the exercise price by 20, as a result of the reverse stock split.

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses recognized during the reported period. Actual results could differ from those estimates.

Cash Equivalents and Investments

The Company invests its excess cash in money market accounts, certificates of deposit, commercial paper, corporate debt, government-sponsored enterprise bonds and municipal bonds and considers all highly liquid debt instruments purchased with an original maturity of three months or less to be cash equivalents. Investments with original maturities greater than three months and remaining maturities less than one year are classified as short-term investments. Investments with remaining maturities greater than one year are classified as long-term investments. Management generally determines the appropriate classification of securities at the time of purchase. All securities are classified as available-for-sale. The Company’s available-for-sale short-term investments are carried at fair value, with the unrealized holding gains and losses reported in accumulated other comprehensive income. Realized gains and losses and declines in the value judged to be other than temporary are included in the other income, net line item in the condensed consolidated statements of operations and comprehensive loss. The cost of securities sold is based on the specific identification method.

Fair Value Measurements

The Company measures the fair value of financial instruments using a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels:

Level 1— Inputs used to measure fair value are unadjusted quoted prices that are available in active markets for the identical assets or liabilities as of the reporting date.

Level 2— Pricing is provided by third party sources of market information obtained through the Company’s investment advisors, rather than models. The Company does not adjust for, or apply, any additional assumptions or estimates to the pricing information it receives from advisors. The Company’s Level 2 securities may include cash equivalents and available-for-sale securities, which consist primarily of certificates of deposit, corporate debt, and government agency and municipal debt securities from issuers with high-quality credit ratings. The Company’s investment advisors obtain pricing data from independent sources, such as Standard & Poor’s, Bloomberg and Interactive Data Corporation, and rely on comparable pricing of other securities because the Level 2 securities are not actively traded and have fewer observable transactions. The Company considers this the most reliable information available for the valuation of the securities.

Level 3— Unobservable inputs that are supported by little or no market activity and reflect the use of significant management judgment are used to measure fair value. These values are generally determined using pricing models for which the assumptions utilize management’s estimates of market participant assumptions. The determination of fair value for Level 3 investments and other financial instruments involves the most management judgment and subjectivity.

Allowance for Doubtful Accounts

The Company establishes an allowance for doubtful accounts to ensure that its trade receivables balances are not overstated due to uncollectibility. The Company performs ongoing customer credit evaluations within the context of the industry in which it operates and generally does not require collateral from its customers. A specific allowance of up to 100% of the invoice value is provided for any problematic customer balances. Delinquent account balances are written off after management has determined that the likelihood of collection is remote. The Company grants credit only to customers deemed creditworthy in the judgment of management. There was no allowance for doubtful accounts receivable at either September 30, 2019 or December 31, 2018.

Inventories

The Company values its inventories at the lower of cost, which approximates actual cost on a first-in, first-out basis, or net realizable value. The Company records inventory reserves for estimated obsolescence or unmarketable inventories based upon assumptions about future demand and market conditions. Once a reserve is established, it is maintained until the product to which it relates is sold or otherwise disposed of. If actual market conditions are less favorable than those expected by management, additional adjustment to inventory valuation may be required. Charges for obsolete and slow-moving inventories are recorded based upon an analysis of specific identification of obsolete inventory items and quantification of slow moving inventory items. The Company recorded no material inventory write-downs during the three and nine months ended September 30, 2019 and $0.1 million of inventory write-downs during the three and nine months ended September 30, 2018.

Revenue Recognition

The Company generates revenue primarily from sales of IC products and licensing of its IP. Revenues are recognized when control is transferred to customers in amounts that reflect the consideration the Company expects to be entitled to receive in exchange for those goods. Revenue recognition is evaluated through the following five steps: (i) identification of the contract, or contracts, with a customer; (ii) identification of the performance obligations in the contract; (iii) determination of the transaction price; (iv) allocation of the transaction price to the performance obligations in the contract; and (v) recognition of revenue when or as a performance obligation is satisfied.

IC products

Revenue is recognized when performance obligations under the terms of a contract with a customer are satisfied.

The majority of the Company's contracts have a single performance obligation to transfer products. Accordingly, the Company recognizes revenue when title and risk of loss have been transferred to the customer, generally at the time of shipment of products. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products and is generally based upon a negotiated, formula, list or fixed price. The Company sells its products both directly to customers and through distributors generally under agreements with payment terms typically less than 60 days.

The Company may record an estimated allowance, at the time of shipment, for future returns and other charges against revenue consistent with the terms of sale.

Royalty and other

The Company’s licensing contracts typically provide for royalties based on the licensee’s use of the Company’s memory technology in its currently shipping commercial products. The Company estimates its royalty revenue in the calendar quarter in which the licensee uses the licensed technology.  Payments are generally received in the subsequent quarter.

Contract liabilities – deferred revenue

The Company’s contract liabilities consist of advance customer payments and deferred revenue. The Company classifies advance customer payments and deferred revenue as current or non-current based on the timing of when the Company expects to recognize revenue.

During the nine months ended September 30, 2019, the Company recognized revenue of $0.3 million that had been included in deferred revenue at December 31, 2018.

See Note 5 for disaggregation of revenue by geography.

Cost of Net Revenue

Cost of net revenue consists primarily of direct and indirect costs of IC product sales and engineering personnel costs directly related to maintenance and support services specified in licensing agreements. Maintenance and support typically include engineering support to assist in the commencement of production of a licensee’s products.

Goodwill

The Company determines the amount of potential goodwill impairment by comparing the fair value of the reporting unit with its carrying amount. To the extent the carrying value of a reporting unit exceeds its fair value, a goodwill impairment charge is recognized.

The Company has determined that it has a single reporting unit for purposes of performing its goodwill impairment test. As the Company uses the market approach to determine the step one fair value, the price of its common stock is an important component of the fair value calculation. If the Company’s stock price continues to experience significant price and volume fluctuations, this will impact the fair value of the reporting unit, which can lead to potential impairment in future periods. The Company reviews goodwill for impairment on an annual basis or whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable. The Company first assesses qualitative factors to determine whether it is more-likely-than-not that the fair value of the reporting unit is less than the carrying amount as a basis for determining whether it is necessary to perform an impairment test. If the qualitative assessment warrants further analysis, the Company compares the fair value of the reporting unit to its carrying value. The fair value of the reporting unit is determined using the market approach. If the fair value of the reporting unit exceeds the carrying value of net assets of the reporting unit, goodwill is not impaired. If the carrying value of the reporting unit’s goodwill exceeds its fair value, then the Company must record an impairment charge equal to the difference. The Company performed its annual test for goodwill impairment as of September 1, 2019, and, due to a decrease in the price per share of its common stock, the test results indicated the goodwill carrying value was greater than its implied fair value. Further, the Company concluded a triggering event had occurred due to the sustained decrease in the price per share of its common stock and related reduced market capitalization as of September 30, 2019 and performed an additional test for impairment of its goodwill asset resulting in further indication that the goodwill carrying value was still greater than its implied fair value. As a result of both of these tests, the Company recorded non-cash impairment charges totaling $0.4 million.  As a result of these charges, the Company’s goodwill balance was reduced to zero at September 30, 2019.

Warrants

As of September 30, 2019 and December 31, 2018, the Company had the following outstanding warrants to purchase common stock:

Warrant type	Number of shares		Exercise Price		Expiration date
Pre-funded common stock		115,538	$	0.02	None
Common stock		33,125	$	47.00	January 2023
Common stock		1,845,540	$	6.00	October 2023

Per Share Amounts

Basic net income (loss) per share is computed by dividing net income (loss) for the period by the weighted-average number of shares of common stock outstanding during the period. Diluted net income (loss) per share gives effect to all potentially dilutive common shares outstanding during the period. Potentially dilutive common shares consist of incremental shares of common stock issuable upon the exercise of stock options, vesting of stock awards and shares issuable in conjunction with the outstanding convertible notes.  

The following table sets forth the computation of basic and diluted net loss per share for the periods indicated (in thousands, except per share amounts):

	Three months ended						Nine months ended
	September 30,						September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(1,801	)	$	(2,812	)	$	(1,894	)	$	(2,149	)
Denominator:
Weighted-average common shares outstanding		2,171			412			2,161			409
Total shares: basic and diluted		2,171			412			2,161			409
Net loss per share:
Basic and diluted	$	(0.83	)	$	(6.83	)	$	(0.88	)	$	(5.25	)

The following table sets forth securities outstanding which were excluded from the computation of diluted net loss per share as their inclusion would be anti-dilutive (in thousands):

	September 30,
	2019		2018
Options to purchase common stock		81		17
Unvested restricted common stock units		91		19
Convertible debt		245		118
Warrants		1,994		33
Total		2,411		187

Recently Adopted Accounting Standards

In 2016, the Financial Accounting Standard Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842), which sets out the principles for the recognition, measurement, presentation and disclosure of leases. The standard introduces a new lessee model that requires most leases to be recorded on the balance sheet and eliminates the required use of bright-line tests for determining lease classification. In July 2018, the FASB issued the following standards which clarified ASU No. 2016-02 and have the same effective date as the original standard: ASU No. 2018-10, Codification Improvements to Topic 842, Leases and ASU No. 2018-11, Leases (Topic 842): Targeted Improvements. ASU No. 2018-11 includes an option to not restate comparative periods in transition and elect to use the effective date of ASU No. 2016-02 as the date of initial application of transition. In March 2019, the FASB issued ASU No. 2019-01, Leases (Topic 842): Codification Improvements, which clarifies ASU No. 2016-02 and is effective for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. The Company adopted ASU No. 2016-02, as amended, on January 1, 2019 using the optional transition method provided by the FASB in ASU No. 2018-11. As the Company did not restate comparative periods, the adoption had no impact on previously reported results. The Company elected to use the practical expedient that allowed it to not reassess: (1) whether any expired or existing contracts are or contain leases, (2) lease classification for any expired or existing leases and (3) initial direct costs for any expired or existing leases as well as the practical expedient that allows lessees to treat the lease and non-lease components of leases as a single lease component for all asset classes. The adoption of this standard had a material impact on the Company’s condensed consolidated balance sheet due to the recognition of right of use assets and lease liabilities. Upon adoption, the Company recognized right of use assets and lease liabilities of approximately $0.4 million that reflected the present value of future lease payments. The adoption of this standard did not have a material impact on the Company’s condensed consolidated results of operations or cash flows. See Note 9 for further information.

In 2016, the FASB issued ASU No. 2016-09, Compensation—Stock Compensation (Topic 718), Improvements to Employee Share-based Payment Accounting. ASU No. 2016-09 simplifies several aspects of the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. The Company adopted ASU No. 2016-09 effective January 1, 2019, and has applied the effects of the adoption from that date. ASU No. 2016-09 permits entities to make an accounting policy election related to how forfeitures will impact the recognition of compensation cost for stock-based compensation to: estimate the total number of awards for which the requisite service period will not be rendered (as previously required) or account for forfeitures as they occur. Upon the adoption of ASU No. 2016-09, the Company elected to change its accounting policy to account for forfeitures as they occur. Historically, estimated forfeitures were immaterial to the consolidated financial statements. The amendments in the standard that required use of a modified retrospective transition method did not materially impact the Company. Therefore, the Company did not recognize a cumulative-effect adjustment to accumulated deficit upon adoption.

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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Sep. 30, 2019	Dec. 31, 2018
Statement Of Financial Position [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	120,000,000	120,000,000
Common stock, shares issued	2,178,000	2,148,000
Common stock, shares outstanding	2,178,000	2,148,000

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2019

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

Note 4. Commitments and Contingencies

Indemnification

In the ordinary course of business, the Company enters into contractual arrangements under which it may agree to indemnify the counterparties from any losses incurred relating to breach of representations and warranties, failure to perform certain covenants, or claims and losses arising from certain events as outlined within the particular contract, which may include, for example, losses arising from litigation or claims relating to past performance. Such indemnification clauses may not be subject to maximum loss clauses. The Company has also entered into indemnification agreements with its officers and directors. No material amounts were reflected in the Company’s condensed consolidated financial statements for the three or nine months ended September 30, 2019 or 2018 related to these indemnifications.

The Company has not estimated the maximum potential amount of indemnification liability under these agreements due to the limited history of prior claims and the unique facts and circumstances applicable to each particular agreement. To date, the Company has not made any material payments related to these indemnification agreements.

Legal Matters

The Company is not a party to any legal proceeding that the Company believes is likely to have a material adverse effect on its condensed consolidated financial position or results of operations. From time to time the Company may be subject to legal proceedings and claims in the ordinary course of business. These claims, even if not meritorious, could result in the expenditure of significant financial resources and diversion of management efforts.       .

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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Schedule of estimated fair values of financial instruments outstanding

The estimated fair values of financial instruments outstanding were (in thousands):

	September 30, 2019
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash and cash equivalents	$	6,170	$	—	$	—	$	6,170
Short-term investments		649		1		—		650
	$	6,819	$	1	$	—	$	6,820

	December 31, 2018
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash and cash equivalents	$	7,104	$	—	$	—	$	7,104

Schedule of fair value hierarchy for financial assets (cash equivalents and investments)

The following table represents the Company’s fair value hierarchy for its financial assets (cash equivalents and investments) (in thousands):

	September 30, 2019
	Fair Value		Level 1		Level 2		Level 3
Money market funds	$	4,202	$	4,202	$	—	$	—
Corporate notes and commercial paper	$	650	$	—	$	650	$	—

	December 31, 2018
	Fair Value		Level 1		Level 2		Level 3
Money market funds	$	632	$	632	$	—	$	—

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Business Segments, Concentration of Credit Risk and Significant Customers - Schedule of Customers Who Accounted for at Least 10% of Total Net Revenue (Detail) - Net Revenues - Customer Concentration	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Customer A
Significant Customers
Percentage of concentration risk	33.00%	37.00%	27.00%	34.00%
Customer B
Significant Customers
Percentage of concentration risk	19.00%	29.00%	20.00%	15.00%
Customer C
Significant Customers
Percentage of concentration risk	19.00%
Customer D
Significant Customers
Percentage of concentration risk	15.00%		18.00%	17.00%
Customer E
Significant Customers
Percentage of concentration risk			17.00%	18.00%

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Stock-Based Compensation - Summary of Option and RSU Activity under Equity Incentive Plan and Amended and Restated 2010 Equity Incentive Plan (Detail) - Equity Incentive Plan 2010 - $ / shares	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2019
Shares Available for Grant
Balance at the beginning of the year (in shares)	32,000	37,000	200,000	200,000
Options granted (in shares)			(65,000)
Options cancelled and returned to Plan (in shares)		1,000
Plan termination (in shares)	(32,000)
Balance at the end of the period (in shares)		32,000	37,000
Number of shares
Balance at the beginning of the year (in shares)	81,000	82,000	17,000	17,000
Options granted (in shares)			65,000
Balance at the end of the period (in shares)	81,000	81,000	82,000	81,000
Options cancelled and returned to Plan (in shares)		(1,000)
Weighted Average Exercise Prices
Weighted-average exercise price (in dollars per share)	$ 20.00	$ 20.40	$ 83.80	$ 83.80
Options granted (in dollars per share)			4.00
Options cancelled and returned to Plan (in dollars per share)		144.00
Weighted-average exercise price (in dollars per share)	$ 20.00	$ 20.00	$ 20.40	$ 20.00
Options
Shares Available for Grant
Additional shares authorized under the Plan			2,000
RSUs granted (in shares)				0
RSU's
Shares Available for Grant
RSUs granted (in shares)		(6,000)	(101,000)
RSUs cancelled and returned to Plan (in shares)			1,000
Number of shares
RSUs cancelled and returned to Plan (in shares)			1,000
Weighted Average Exercise Prices
RSUs granted (in dollars per share)		$ 4.60	$ 4.00
RSUs cancelled and returned to Plan (in dollars per shares)			$ 25.20

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Balance Sheet Detail (Tables)

9 Months Ended

Sep. 30, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Schedule of inventory

	September 30,		December 31,
	2019		2018
	(in thousands)
Inventories:
Work-in-process	$	755	$	548
Finished goods		460		600
	$	1,215	$	1,148

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Leases

9 Months Ended

Sep. 30, 2019

Leases [Abstract]

Leases

Note 9. Leases

Effective January 1, 2019, the Company adopted ASU No. 2016-02, as amended, using the alternative transition method, which allowed the Company to initially apply the new lease standard at the adoption date (the “effective date method”). Under the effective date method, comparative periods are presented under previous GAAP, Accounting Standards Codification 840, and do not include any retrospective adjustments to reflect the adoption of ASU No. 2016-02. As an accounting policy, the Company has elected not to apply the recognition requirements to short-term leases and not to separate non-lease components from lease components. The Company also has elected the package of transition provisions available for existing contracts, which allowed the Company to carryforward its historical assessments of (i) whether contracts are or contain leases, (ii) lease classification and (iii) initial direct costs. The adoption did not result in a cumulative-effect adjustment to the opening balance of accumulated deficit. As a result of the adoption, the Company recorded an operating lease right-to-use asset of $0.4 million and corresponding short-term and long-term liabilities of $0.2 million and $0.2 million, respectively, as of January 1, 2019. The adoption of ASU No. 2016-02 did not have a material impact on the Company’s condensed consolidated statement of operations and comprehensive income or cash flows as of the adoption date.

The Company identified only one lease to be accounted for under ASU No. 2016-02, and this was the lease for its corporate facility, which expires in October 2020. The right-to-use asset and corresponding liability for the facility lease have been measured at the present value of the future minimum lease payments. The discount rate used to measure the lease asset and liability represents the interest rate on the Notes (8%). Lease expense is recognized on a straight-line basis over the lease term, and operating lease expense was $0.2 million for the nine months ended September 30, 2019.  The Company has an option to extend the lease for an additional 20.5 month period, but, as the renewal is not reasonably certain, it has not included this renewal option in its accounting for the lease.

Our future minimum payments under our facility operating lease as of September 30, 2019 are listed in the table below (in thousands).

	Operating
Year ended December 31,	lease
2019	$	55
2020		187
Total future lease payments		242
Less: imputed interest		(26	)
Present value of lease liabilities	$	216

Supplemental cash flow information related to the operating lease was as follows (in thousands):

		Nine months ended
		September 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
	Operating cash flows for lease	$	163

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net loss	$ (1,894)	$ (2,149)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	148	486
Stock-based compensation	199	446
Amortization of intangible assets		83
Impairment of goodwill	420	3,159
Amortization of debt issuance costs		30
Accrued interest	164	500
Other	(11)
Changes in assets and liabilities
Accounts receivable	729	(822)
Inventories	(67)	395
Prepaid expenses and other assets	448	782
Accounts payable	(105)	(30)
Deferred revenue and other liabilities	(257)	(2,469)
Net cash provided by (used in) operating activities	(226)	411
Cash flows from investing activities:
Purchases of property and equipment	(62)	(45)
Proceeds from maturities of short-term investments	925
Purchases of short-term investments	(1,567)
Net cash used in investing activities	(704)	(45)
Cash flows from financing activities:
Issuance costs for sale of common stock		(12)
Taxes paid to net share settle equity awards	(4)	(46)
Net cash used in financing activities	(4)	(58)
Net increase (decrease) in cash and cash equivalents	(934)	308
Cash and cash equivalents at beginning of period	7,104	3,868
Cash and cash equivalents at end of period	6,170	4,176
Supplemental disclosure:
Issuance of convertible notes in settlement of accrued interest	$ 187	$ 846

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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 6,170	$ 7,104
Short-term investments	650
Accounts receivable	893	1,622
Inventories	1,215	1,148
Prepaid expenses and other	596	923
Total current assets	9,524	10,797
Property and equipment, net	193	279
Goodwill	0	420
Right-of-use lease asset	203
Other	139	260
Total assets	10,059	11,756
Current liabilities
Accounts payable	131	236
Deferred revenue	146	273
Short-term lease liability	197
Accrued expenses and other	1,249	1,402
Total current liabilities	1,723	1,911
Long-term liabilities	19	17
Convertible notes payable	2,858	2,671
Total liabilities	4,600	4,599
Commitments and contingencies (Note 4)
Stockholders’ equity
Preferred stock, $0.01 par value; 20,000 shares authorized; none issued and outstanding
Common stock, $0.001 par value; 120,000 shares authorized; 2,178 shares and 2,148 shares issued and outstanding at September 30, 2019 and December 31, 2018, respectively	2	2
Additional paid-in capital	243,217	243,022
Accumulated other comprehensive income	1
Accumulated deficit	(237,761)	(235,867)
Total stockholders’ equity	5,459	7,157
Total liabilities and stockholders’ equity	$ 10,059	$ 11,756

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Business Segments, Concentration of Credit Risk and Significant Customers

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Business Segments, Concentration of Credit Risk and Significant Customers

Note 5. Business Segments, Concentration of Credit Risk and Significant Customers

The Company operates in one business segment and uses one measurement of profitability for its business.  Net revenue is attributed to the United States and to all foreign countries based on the geographical location of the customer.

The Company recognized revenue from shipment of product and licensing of its technologies to customers by geographical location as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
North America	$	930	$	3,652	$	6,004	$	10,393
Japan		179		364		1,431		2,206
Taiwan		97		155		225		311
Rest of world		—		172		132		239
Total net revenue	$	1,206	$	4,343	$	7,792	$	13,149

Customers who accounted for at least 10% of total net revenue were:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2019	2018	2019	2018
Customer A	33%	37%	27%	34%
Customer B	19%	29%	20%	15%
Customer C	19%	*%	*%	*%
Customer D	15%	*%	18%	17%
Customer E	*%	*%	17%	18%

* Represents less than 10%

Three customers accounted for 76% of accounts receivable at September 30, 2019. Three customers accounted for 63% of accounts receivable at December 31, 2018.

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Business Segments, Concentration of Credit Risk and Significant Customers - Schedule of Revenue from Shipment of Product and Licensing of its Technologies to Customers by Geographical Location (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Segments
Total net revenue	$ 1,206	$ 4,343	$ 7,792	$ 13,149
North America [Member]
Business Segments
Total net revenue	930	3,652	6,004	10,393
Japan [Member]
Business Segments
Total net revenue	179	364	1,431	2,206
Taiwan [Member]
Business Segments
Total net revenue	$ 97	155	225	311
Rest of world [Member]
Business Segments
Total net revenue		$ 172	$ 132	$ 239

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Stock-Based Compensation - Schedule of Assumptions Used in Estimation of Fair Value of the Share-based Payment Awards on the Grant Date (Detail) - Options	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Risk-free interest rate	2.50%	2.20%
Volatility	128.40%	109.50%
Expected life (years)		4 years
Dividend yield	0.00%	0.00%
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected life (years)	3 years
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected life (years)	5 years

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Leases - Schedule of Future Minimum Payments under Facility Operating Lease (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Leases, Operating [Abstract]
2019	$ 55
2020	187
Total future lease payments	242
Less: imputed interest	(26)
Present value of lease liabilities	$ 216	$ 400

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Fair Value of Financial Instruments - Schedule of Estimated Fair Values of Financial Instruments Outstanding (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Cost	$ 6,819
Unrealized Gains	1
Unrealized Losses	0
Fair Value	6,820
Cash and Cash Equivalents
Debt Securities, Available-for-sale [Line Items]
Cost	6,170	$ 7,104
Unrealized Gains	0	0
Unrealized Losses	0	0
Fair Value	6,170	$ 7,104
Short-term investments
Debt Securities, Available-for-sale [Line Items]
Cost	649
Unrealized Gains	1
Unrealized Losses	0
Fair Value	$ 650

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The Company and Summary of Significant Accounting Policies - Additional Information (Details)		3 Months Ended		9 Months Ended
	Aug. 27, 2019	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2018 USD ($)	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($)
Accounting Policies [Abstract]
Reverse stock split	20
Maximum specific allowance as percentage of invoice value for problematic customer balances		100.00%		100.00%
Allowance for doubtful accounts receivable		$ 0		$ 0			$ 0
Inventory reserves		0	$ 100,000	$ 0	$ 100,000
Payment terms				The Company sells its products both directly to customers and through distributors generally under agreements with payment terms typically less than 60 days.
Deferred revenue, revenue recognized				$ 300,000
Impairment of goodwill		420,000	$ 3,159,000	420,000	$ 3,159,000
Goodwill balance		0		0			$ 420,000
Right-of-use lease asset		203,000		203,000		$ 400,000
Lease liabilities		$ 216,000		$ 216,000		$ 400,000

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Stock-Based Compensation - Summary of RSU Activity under the Plan (Detail) - Equity Incentive Plan 2010 - RSU's - $ / shares	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2019
Number of Shares
Non-vested shares at the beginning of the year	107,000	106,000	14,000	14,000
Granted (in shares)		6,000	101,000
Vested (in shares)	(16,000)	(5,000)	(8,000)
Cancelled (in shares)			(1,000)
Non-vested shares at the end of the period	91,000	107,000	106,000	91,000
Weighted Average Grant-Date Fair Value
Weighted average grant date fair value	$ 4.00	$ 4.60	$ 24.60	$ 24.60
Granted (in shares)		4.60	4.00
Vested (in shares)	4.00	16.20	29.60
Cancelled (in shares)			25.20
Weighted average grant date fair value	$ 4.00	$ 4.00	$ 4.60	$ 4.00

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Balance Sheet Detail - Schedule of Inventory (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Inventory Disclosure [Abstract]
Work-in-process	$ 755	$ 548
Finished goods	460	600
Total	$ 1,215	$ 1,148

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Income Tax Provision - Additional Information (Detail)	Sep. 30, 2019 USD ($)
Income Tax Disclosure [Abstract]
Unrecognized tax benefits recorded as liability	$ 0

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Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

Note 2: Fair Value of Financial Instruments

The estimated fair values of financial instruments outstanding were (in thousands):

	September 30, 2019
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash and cash equivalents	$	6,170	$	—	$	—	$	6,170
Short-term investments		649		1		—		650
	$	6,819	$	1	$	—	$	6,820

	December 31, 2018
			Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Cash and cash equivalents	$	7,104	$	—	$	—	$	7,104

The following table represents the Company’s fair value hierarchy for its financial assets (cash equivalents and investments) (in thousands):

	September 30, 2019
	Fair Value		Level 1		Level 2		Level 3
Money market funds	$	4,202	$	4,202	$	—	$	—
Corporate notes and commercial paper	$	650	$	—	$	650	$	—

	December 31, 2018
	Fair Value		Level 1		Level 2		Level 3
Money market funds	$	632	$	632	$	—	$	—

There were no transfers in or out of Level 1 and Level 2 securities during the three or nine months ended September 30, 2019.

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The Company and Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

Schedule of outstanding warrants to purchase of common stock

As of September 30, 2019 and December 31, 2018, the Company had the following outstanding warrants to purchase common stock:

Warrant type	Number of shares		Exercise Price		Expiration date
Pre-funded common stock		115,538	$	0.02	None
Common stock		33,125	$	47.00	January 2023
Common stock		1,845,540	$	6.00	October 2023

Summary of Computation of Basic and Diluted Net Loss Per Share

The following table sets forth the computation of basic and diluted net loss per share for the periods indicated (in thousands, except per share amounts):

	Three months ended						Nine months ended
	September 30,						September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(1,801	)	$	(2,812	)	$	(1,894	)	$	(2,149	)
Denominator:
Weighted-average common shares outstanding		2,171			412			2,161			409
Total shares: basic and diluted		2,171			412			2,161			409
Net loss per share:
Basic and diluted	$	(0.83	)	$	(6.83	)	$	(0.88	)	$	(5.25	)

Schedule of Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Share

The following table sets forth securities outstanding which were excluded from the computation of diluted net loss per share as their inclusion would be anti-dilutive (in thousands):

	September 30,
	2019		2018
Options to purchase common stock		81		17
Unvested restricted common stock units		91		19
Convertible debt		245		118
Warrants		1,994		33
Total		2,411		187

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net revenue
Total net revenue	$ 1,206	$ 4,343	$ 7,792	$ 13,149
Cost of net revenue	407	1,948	2,989	5,382
Gross profit	799	2,395	4,803	7,767
Operating expenses
Research and development	1,097	1,023	3,231	3,064
Selling, general and administrative	1,059	919	2,963	3,158
Impairment of goodwill	420	3,159	420	3,159
Total operating expenses	2,576	5,101	6,614	9,381
Loss from operations	(1,777)	(2,706)	(1,811)	(1,614)
Interest expense	(54)	(104)	(164)	(531)
Other income, net	30		81
Loss before income tax provision	(1,801)	(2,810)	(1,894)	(2,145)
Income tax provision		2		4
Net loss	(1,801)	(2,812)	(1,894)	(2,149)
Other comprehensive income, net of tax:
Net unrealized gains on available-for-sale securities			1
Comprehensive loss	$ (1,801)	$ (2,812)	$ (1,893)	$ (2,149)
Net loss per share
Basic and diluted	$ (0.83)	$ (6.83)	$ (0.88)	$ (5.25)
Shares used in computing net loss per share
Basic and diluted	2,171	412	2,161	409
Product [Member]
Net revenue
Total net revenue	$ 1,037	$ 4,056	$ 7,233	$ 11,811
Royalty and Other [Member]
Net revenue
Total net revenue	$ 169	$ 287	$ 559	$ 1,338

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Stock-Based Compensation

9 Months Ended

Sep. 30, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Stock-Based Compensation

Note 7. Stock-Based Compensation

The expense relating to stock options is recognized on a straight-line basis over the requisite service period, usually the vesting period, based on the grant-date fair value. The unamortized compensation cost, as of September 30, 2019, was $0.2 million related to stock options and is expected to be recognized as expense over a weighted-average period of approximately 2.2 years.  The expense related to restricted stock units (RSUs) is recognized over a three-to-five year vesting period and is based on the fair value of the underlying stock on the dates of grant.  The unamortized compensation cost, as of September 30, 2019, was $0.3 million related to RSUs and is expected to be recognized as expense over a weighted-average period of approximately 2.3 years.

For the three and nine months ended September 30, 2019 and 2018, there were no excess tax benefits associated with the exercise of stock options due to the Company’s historical loss positions.

Valuation Assumptions

   The fair value of the Company’s stock options granted during the nine months ended September 30, 2019 and 2018 was estimated on the grant dates using the Black-Scholes valuation option-pricing model with the following assumptions:

	Nine Months Ended
	September 30,
	2019			2018
Risk-free interest rate		2.5	%		2.2	%
Volatility		128.4	%		109.5	%
Expected life (years)	3.0 - 5.0				4.0
Dividend yield		—	%		—	%

There were no awards granted during the three months ended September 30, 2019 and 2018. The risk-free interest rate was derived from the Daily Treasury Yield Curve Rates, as published by the U.S. Department of the Treasury as of the grant date for terms equal to the expected terms of the options. The expected volatility was based on the historical volatility of the Company’s stock price over the expected term of the options. The expected term of options granted was derived from historical data based on employee exercises and post‑vesting employment termination behavior. A dividend yield of zero is applied because the Company has never paid dividends, and has no intention to pay dividends in the near future.

Prior to January 1, 2019, the stock‑based compensation expense recorded was adjusted based on estimated forfeiture rates. An annualized forfeiture rate has been used as a best estimate of future forfeitures based on the Company’s historical forfeiture experience. Stock‑based compensation expense was then adjusted in later periods if the actual forfeiture rate is different from the estimate. Upon the adoption of ASU No. 2016-09 on January 1, 2019, the Company changed its accounting policy and began accounting for forfeitures as they occur. Historically, estimated forfeitures were immaterial to the condensed consolidated financial statements.

Common Stock Options and Restricted Stock

A summary of option and RSU activity under the Company’s Amended and Restated 2010 Equity Incentive Plan (the 2010 Plan) is presented below (in thousands, except exercise price):

				Options outstanding
							Weighted
	Shares						Average
	Available			Number of			Exercise
	for Grant			Shares			Prices
Balance as of January 1, 2019		200			17		$	83.80
Additional shares authorized under the Plan		2			—			—
RSUs granted		(101	)		—			—
RSUs cancelled and returned to the Plan		1			—			—
Options granted		(65	)		65		$	4.00
Balance as of March 31, 2019		37			82		$	20.40
RSUs granted		(6	)		—			—
Options cancelled and returned to the Plan		1			(1	)	$	144.00
Balance as of June 30, 2019		32			81		$	20.00
Plan termination		(32	)		—		$	—
Balance as of September 30, 2019		-			81		$	20.00

A summary of RSU activity under the Plan is presented below (in thousands, except for fair value):

				Weighted
				Average
	Number of			Grant-Date
	Shares			Fair Value
Non-vested shares as of January 1, 2019		14		$	24.60
Granted		101		$	4.00
Vested		(8	)	$	29.60
Cancelled		(1	)	$	25.20
Non-vested shares as of March 31, 2019		106		$	4.60
Granted		6		$	4.60
Vested		(5	)	$	16.20
Non-vested shares as of June 30, 2019		107		$	4.00
Vested		(16	)	$	4.00
Non-vested shares as of September 30, 2019		91		$	4.00

The total intrinsic value of the RSUs outstanding as of September 30, 2019 was $0.2 million.

In August 2019, the Company’s stockholders approved the 2019 Stock Incentive Plan (the 2019 Plan), and, as a result, the 2010 Plan was automatically terminated. No future grants of awards will be made under the 2010 Plan, although it will continue to govern prior awards granted thereunder, until all such awards granted have been exercised, forfeited, canceled, expired or otherwise terminated in accordance with the terms of such grants.  The 2019 Plan authorizes the board of directors or the compensation committee of the board of directors to grant a broad range of awards including stock options, stock appreciation rights, restricted stock, performance-based awards, and restricted stock units. Under the 2019 Plan, 182,500 shares have been reserved for issuance.

The term of all incentive stock options granted to a person who, at the time of grant, owns stock representing more than 10% of the voting power of all classes of the Company’s stock may not exceed five years. The exercise price of stock options granted under the 2019 Plan must be at least equal to the fair market value of the shares on the date of grant.  Generally, options granted under the 2019 Plan will vest over a three to four-year period and have a term of 10 years from the date of grant.  In addition, the 2019 Plan provides for automatic acceleration of vesting for options granted to non-employee directors upon a change of control of the Company.  As of September 30, 2019, no awards had been granted under the 2019 Plan.

The following table summarizes significant ranges of outstanding and exercisable options as of September 30, 2019 (in thousands, except contractual life and exercise price):

	Options Outstanding						Options Exercisable
			Weighted
			Average
			Remaining		Weighted				Weighted
			Contractual		Average				Average		Aggregate
	Number		Life		Exercise		Number		Exercise		Intrinsic
Range of Exercise Price	Outstanding		(in Years)		Price		Exercisable		Price		value
$3.72 - $14.99		64		9.35	$	3.96		11	$	4.00	$	—
$15.00 - $25.59		8		4.05	$	15.00		5	$	15.00	$	—
$25.60 - $143.99		3		4.83	$	41.88		2	$	46.93	$	—
$144.00 - $409.99		5		6.90	$	144.00		5	$	144.00	$	—
$410.00 - $924.00		1		5.44	$	430.64		1	$	430.64	$	—
$3.72 - $924.00		81		8.46	$	20.36		24	$	56.81	$	—

There were no stock options exercised during the nine months ended September 30, 2019 or 2018.       

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Convertible Notes - Additional Information (Details) - USD ($)			1 Months Ended				3 Months Ended		9 Months Ended
	Feb. 18, 2018	Feb. 17, 2018	Aug. 31, 2019	Feb. 28, 2019	Oct. 31, 2018	Mar. 31, 2016	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Debt Instrument [Line Items]
Stated interest rate							8.00%		8.00%
Interest expense							$ 54,000	$ 104,000	$ 164,000	$ 531,000
Senior Secured Convertible Notes due August 15 2018
Debt Instrument [Line Items]
Stated interest rate					8.00%	10.00%
Principal amount						$ 8,000,000
Redemption purchase price	100.00%	120.00%
Minimum ownership percentage triggering event for redemption of notes						40.00%
Maximum amount of indebtedness subordinated by security interest and cash payment rights under debt instruments						$ 5,000,000
Payment on principle amount of note					$ 7,400,000
Senior Secured Convertible Notes due August 15 2018 | Contractual obligations and other termination costs
Debt Instrument [Line Items]
Debt issuance costs						$ 100,000
Interest expense							$ 0	$ 6,000	$ 0	$ 30,000
Senior Secured Convertible Notes due August 15 2018 | Maximum
Debt Instrument [Line Items]
Period for outstanding balance of accounts receivable has not recorded an allowance for doubtful accounts						90 days
Senior Secured Convertible Notes due August 15 2018 | Minimum
Debt Instrument [Line Items]
Percentage of beneficial ownership if effective upon conversion date of debt instrument						19.90%
Interest Note
Debt Instrument [Line Items]
Conversion price							$ 11.434		$ 11.434
Semi-annual interest payments			$ 109,000	$ 78,000
Number of shares issuable if notes converted to shares of common stock									244,884
Beneficial ownership ceiling							9.90%		9.90%
Senior Secured Convertible Notes due August 15, 2023
Debt Instrument [Line Items]
Conversion price					$ 11.434	$ 170.00
Outstanding Notes payable							$ 2,900,000		$ 2,900,000

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The Company and Summary of Significant Accounting Policies - Summary of Computation of Basic and Diluted Net Loss Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Net income (loss)	$ (1,801)	$ (103)	$ 10	$ (2,812)	$ 315	$ 348	$ (1,894)	$ (2,149)
Weighted-average common shares outstanding	2,171			412			2,161	409
Basic and diluted	2,171			412			2,161	409
Net loss per share:
Basic and diluted	$ (0.83)			$ (6.83)			$ (0.88)	$ (5.25)

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Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2019

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of assumptions used in estimation of fair value of the share-based payment awards on the grant date

	Nine Months Ended
	September 30,
	2019			2018
Risk-free interest rate		2.5	%		2.2	%
Volatility		128.4	%		109.5	%
Expected life (years)	3.0 - 5.0				4.0
Dividend yield		—	%		—	%

Summary of option and RSU activity under Amended and Restated 2000 Stock Option and Equity Incentive Plan and Amended and Restated 2010 Equity Incentive Plan

A summary of option and RSU activity under the Company’s Amended and Restated 2010 Equity Incentive Plan (the 2010 Plan) is presented below (in thousands, except exercise price):

				Options outstanding
							Weighted
	Shares						Average
	Available			Number of			Exercise
	for Grant			Shares			Prices
Balance as of January 1, 2019		200			17		$	83.80
Additional shares authorized under the Plan		2			—			—
RSUs granted		(101	)		—			—
RSUs cancelled and returned to the Plan		1			—			—
Options granted		(65	)		65		$	4.00
Balance as of March 31, 2019		37			82		$	20.40
RSUs granted		(6	)		—			—
Options cancelled and returned to the Plan		1			(1	)	$	144.00
Balance as of June 30, 2019		32			81		$	20.00
Plan termination		(32	)		—		$	—
Balance as of September 30, 2019		-			81		$	20.00

Summary of RSU activity under the Plan

A summary of RSU activity under the Plan is presented below (in thousands, except for fair value):

				Weighted
				Average
	Number of			Grant-Date
	Shares			Fair Value
Non-vested shares as of January 1, 2019		14		$	24.60
Granted		101		$	4.00
Vested		(8	)	$	29.60
Cancelled		(1	)	$	25.20
Non-vested shares as of March 31, 2019		106		$	4.60
Granted		6		$	4.60
Vested		(5	)	$	16.20
Non-vested shares as of June 30, 2019		107		$	4.00
Vested		(16	)	$	4.00
Non-vested shares as of September 30, 2019		91		$	4.00

Summary of significant ranges of outstanding and exercisable options

The following table summarizes significant ranges of outstanding and exercisable options as of September 30, 2019 (in thousands, except contractual life and exercise price):

	Options Outstanding						Options Exercisable
			Weighted
			Average
			Remaining		Weighted				Weighted
			Contractual		Average				Average		Aggregate
	Number		Life		Exercise		Number		Exercise		Intrinsic
Range of Exercise Price	Outstanding		(in Years)		Price		Exercisable		Price		value
$3.72 - $14.99		64		9.35	$	3.96		11	$	4.00	$	—
$15.00 - $25.59		8		4.05	$	15.00		5	$	15.00	$	—
$25.60 - $143.99		3		4.83	$	41.88		2	$	46.93	$	—
$144.00 - $409.99		5		6.90	$	144.00		5	$	144.00	$	—
$410.00 - $924.00		1		5.44	$	430.64		1	$	430.64	$	—
$3.72 - $924.00		81		8.46	$	20.36		24	$	56.81	$	—

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Fair Value of Financial Instruments - Additional Information (Detail)	Sep. 30, 2019 USD ($)
Fair Value Disclosures [Abstract]
Transfer of assets between Level 1 to Level 2	$ 0
Transfer of assets between Level 2 to Level 1	0
Transfer of liabilities between Level 1 to Level 2	0
Transfer of liabilities between Level 2 to Level 1	$ 0

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Leases - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Jan. 01, 2019
Leases [Abstract]
Right-of-use lease asset	$ 203	$ 400
Short-term lease liability	$ 197	200
Long-term lease liability		$ 200
Interest rate	8.00%
Operating leases expense	$ 200
Operating leases expiration period	2020-10
Option to extend additional lease term	20 months 15 days
Operating lease, option to extend	option to extend the lease for an additional 20.5 month period

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Fair Value of Financial Instruments - Schedule of Fair Value Hierarchy for Financial Assets (Cash Equivalents and Investments) (Detail) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 4,202	$ 632
Corporate notes and commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	650
Level 1 | Money market funds
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	4,202	$ 632
Level 2 | Corporate notes and commercial paper
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 650

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The Company and Summary of Significant Accounting Policies - Summary of Outstanding Warrants to Purchase Common Stock (Detail) - $ / shares	Sep. 30, 2019	Dec. 31, 2018
Pre Funded Common Stock Warrants
Class Of Warrant Or Right [Line Items]
Number of shares	115,538	115,538
Exercise Price	$ 0.02	$ 0.02
Common Stock Warrants One
Class Of Warrant Or Right [Line Items]
Number of shares	33,125	33,125
Exercise Price	$ 47.00	$ 47.00
Expiration date	Jan. 30, 2023	Jan. 30, 2023
Common Stock Warrants Two
Class Of Warrant Or Right [Line Items]
Number of shares	1,845,540	1,845,540
Exercise Price	$ 6.00	$ 6.00
Expiration date	Oct. 30, 2023	Oct. 30, 2023

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Business Segments, Concentration of Credit Risk and Significant Customers (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Schedule of revenue from shipment of product and licensing of its technologies to customers by geographical location

The Company recognized revenue from shipment of product and licensing of its technologies to customers by geographical location as follows (in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
North America	$	930	$	3,652	$	6,004	$	10,393
Japan		179		364		1,431		2,206
Taiwan		97		155		225		311
Rest of world		—		172		132		239
Total net revenue	$	1,206	$	4,343	$	7,792	$	13,149

Schedule of customers who accounted for at least 10% of total net revenue

Customers who accounted for at least 10% of total net revenue were:

	Three Months Ended		Nine Months Ended
	September 30,		September 30,
	2019	2018	2019	2018
Customer A	33%	37%	27%	34%
Customer B	19%	29%	20%	15%
Customer C	19%	*%	*%	*%
Customer D	15%	*%	18%	17%
Customer E	*%	*%	17%	18%

* Represents less than 10%

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Business Segments, Concentration of Credit Risk and Significant Customers - Additional Information (Detail)	9 Months Ended	12 Months Ended
	Sep. 30, 2019 Segment Customer	Dec. 31, 2018 Customer
Business Segments
Number of business segments | Segment	1
Number of measurements of profitability	1
Accounts receivable | Major customers | Credit concentration
Business Segments
Percentage of concentration risk	76.00%	63.00%
Number of customers | Customer	3	3

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Stock-Based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended				9 Months Ended
	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted (in shares)	0			0
Equity Incentive Plan 2010
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Options granted (in shares)		32,000	37,000				200,000
Stock Incentive Plan 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares reserved for issuance	182,500				182,500
Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unamortized compensation cost, net of expected forfeitures	$ 200,000				$ 200,000
Weighted average expected period over which the expense is to be recognized					2 years 2 months 12 days
Tax benefits associated with exercise of stock options	$ 0			$ 0	$ 0	$ 0
Dividend yield (as a percent)					0.00%	0.00%
Stock options exercised					0	0
Options | Equity Incentive Plan 2010
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Granted (in shares)					0
Options | Stock Incentive Plan 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Minimum percentage of voting rights required for applicability of a specific expiration term	10.00%				10.00%
Maximum expiration term of options granted					5 years
Term of plan					10 years
Options granted (in shares)	0				0
Options | Maximum | Stock Incentive Plan 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of replacement options					4 years
Options | Minimum | Stock Incentive Plan 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period of replacement options					3 years
RSU's
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average expected period over which the expense is to be recognized					2 years 3 months 18 days
Unamortized compensation cost, net of expected forfeitures	$ 300,000				$ 300,000
RSU's | Equity Incentive Plan 2010
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total intrinsic value of the restricted stock units outstanding	$ 200,000				$ 200,000
Granted (in shares)		6,000	101,000
RSU's | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense, recognition period					5 years
RSU's | Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense, recognition period					3 years

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Stock-Based Compensation - Summary of Significant Ranges of Outstanding and Exercisable Options (Detail) - Options shares in Thousands	9 Months Ended
	Sep. 30, 2019 $ / shares shares
$3.72 - $14.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower range limit (in dollars per share)	$ 3.72
Upper range limit (in dollars per share)	$ 14.99
Number Outstanding (in shares) | shares	64
Weighted Average Remaining Contractual Life	9 years 4 months 6 days
Weighted Average Exercise Price (in dollars per share)	$ 3.96
Number Exercisable (in shares) | shares | shares	11
Weighted Average Exercise Price (in dollars per share)	$ 4.00
$15.00 - $25.59
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower range limit (in dollars per share)	15.00
Upper range limit (in dollars per share)	$ 25.59
Number Outstanding (in shares) | shares	8
Weighted Average Remaining Contractual Life	4 years 18 days
Weighted Average Exercise Price (in dollars per share)	$ 15.00
Number Exercisable (in shares) | shares | shares	5
Weighted Average Exercise Price (in dollars per share)	$ 15.00
$25.60 - $143.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower range limit (in dollars per share)	25.60
Upper range limit (in dollars per share)	$ 143.99
Number Outstanding (in shares) | shares	3
Weighted Average Remaining Contractual Life	4 years 9 months 29 days
Weighted Average Exercise Price (in dollars per share)	$ 41.88
Number Exercisable (in shares) | shares | shares	2
Weighted Average Exercise Price (in dollars per share)	$ 46.93
$144.00 - $409.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower range limit (in dollars per share)	144.00
Upper range limit (in dollars per share)	$ 409.99
Number Outstanding (in shares) | shares	5
Weighted Average Remaining Contractual Life	6 years 10 months 24 days
Weighted Average Exercise Price (in dollars per share)	$ 144.00
Number Exercisable (in shares) | shares | shares	5
Weighted Average Exercise Price (in dollars per share)	$ 144.00
$410.00 - $924.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower range limit (in dollars per share)	410.0
Upper range limit (in dollars per share)	$ 924.00
Number Outstanding (in shares) | shares	1
Weighted Average Remaining Contractual Life	5 years 5 months 8 days
Weighted Average Exercise Price (in dollars per share)	$ 430.64
Number Exercisable (in shares) | shares | shares	1
Weighted Average Exercise Price (in dollars per share)	$ 430.64
$3.72 - $924.00
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Lower range limit (in dollars per share)	3.72
Upper range limit (in dollars per share)	$ 924.00
Number Outstanding (in shares) | shares	81
Weighted Average Remaining Contractual Life	8 years 5 months 15 days
Weighted Average Exercise Price (in dollars per share)	$ 20.36
Number Exercisable (in shares) | shares | shares	24
Weighted Average Exercise Price (in dollars per share)	$ 56.81

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The Company and Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2019

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The condensed consolidated financial statements include the accounts of the Company and its wholly-owned subsidiaries. All significant intercompany transactions and balances have been eliminated in consolidation. The Company’s fiscal year ends on December 31 of each calendar year.

Reverse Stock Split

Reverse Stock Split

On August 27, 2019, the Company filed a certificate of amendment to its amended and restated certificate of incorporation with the Secretary of State of the State of Delaware to effect a 1-for-20 reverse stock split of the Company’s shares of common stock. Such amendment and ratio were previously approved by the Company’s stockholders and board of directors, respectively.

As a result of the reverse stock split, which was effective August 28, 2019, every 20 shares of the Company’s pre-reverse split outstanding common stock were combined and reclassified into one share of common stock. Proportionate voting rights and other rights of common stock holders were not affected by the reverse stock split. No fractional shares were issued in connection with the reverse stock split; stockholders who would otherwise hold a fractional share of the Company’s common stock received cash in an amount equal to the product obtained by multiplying (i) the closing sale price of the common stock on the effective date of the reverse stock split as reported on The Nasdaq Stock Market, by (ii) the number of shares of the common stock held by the stockholder that would otherwise have been exchanged for the fractional share interest. All stock options and restricted stock units outstanding and common stock reserved for issuance under the Company’s equity incentive plans and warrants outstanding immediately prior to the reverse stock split were adjusted by dividing the number of affected shares of common stock by 20 and, as applicable, multiplying the exercise price by 20, as a result of the reverse stock split.

Use of Estimates

Use of Estimates

The preparation of financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, the disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses recognized during the reported period. Actual results could differ from those estimates.

Cash Equivalents and Investments

Cash Equivalents and Investments

The Company invests its excess cash in money market accounts, certificates of deposit, commercial paper, corporate debt, government-sponsored enterprise bonds and municipal bonds and considers all highly liquid debt instruments purchased with an original maturity of three months or less to be cash equivalents. Investments with original maturities greater than three months and remaining maturities less than one year are classified as short-term investments. Investments with remaining maturities greater than one year are classified as long-term investments. Management generally determines the appropriate classification of securities at the time of purchase. All securities are classified as available-for-sale. The Company’s available-for-sale short-term investments are carried at fair value, with the unrealized holding gains and losses reported in accumulated other comprehensive income. Realized gains and losses and declines in the value judged to be other than temporary are included in the other income, net line item in the condensed consolidated statements of operations and comprehensive loss. The cost of securities sold is based on the specific identification method.

Fair Value Measurements

Fair Value Measurements

The Company measures the fair value of financial instruments using a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value into three broad levels:

Level 1— Inputs used to measure fair value are unadjusted quoted prices that are available in active markets for the identical assets or liabilities as of the reporting date.

Level 2— Pricing is provided by third party sources of market information obtained through the Company’s investment advisors, rather than models. The Company does not adjust for, or apply, any additional assumptions or estimates to the pricing information it receives from advisors. The Company’s Level 2 securities may include cash equivalents and available-for-sale securities, which consist primarily of certificates of deposit, corporate debt, and government agency and municipal debt securities from issuers with high-quality credit ratings. The Company’s investment advisors obtain pricing data from independent sources, such as Standard & Poor’s, Bloomberg and Interactive Data Corporation, and rely on comparable pricing of other securities because the Level 2 securities are not actively traded and have fewer observable transactions. The Company considers this the most reliable information available for the valuation of the securities.

Level 3— Unobservable inputs that are supported by little or no market activity and reflect the use of significant management judgment are used to measure fair value. These values are generally determined using pricing models for which the assumptions utilize management’s estimates of market participant assumptions. The determination of fair value for Level 3 investments and other financial instruments involves the most management judgment and subjectivity.

Allowance for Doubtful Accounts

Allowance for Doubtful Accounts

The Company establishes an allowance for doubtful accounts to ensure that its trade receivables balances are not overstated due to uncollectibility. The Company performs ongoing customer credit evaluations within the context of the industry in which it operates and generally does not require collateral from its customers. A specific allowance of up to 100% of the invoice value is provided for any problematic customer balances. Delinquent account balances are written off after management has determined that the likelihood of collection is remote. The Company grants credit only to customers deemed creditworthy in the judgment of management. There was no allowance for doubtful accounts receivable at either September 30, 2019 or December 31, 2018.

Inventories

Inventories

The Company values its inventories at the lower of cost, which approximates actual cost on a first-in, first-out basis, or net realizable value. The Company records inventory reserves for estimated obsolescence or unmarketable inventories based upon assumptions about future demand and market conditions. Once a reserve is established, it is maintained until the product to which it relates is sold or otherwise disposed of. If actual market conditions are less favorable than those expected by management, additional adjustment to inventory valuation may be required. Charges for obsolete and slow-moving inventories are recorded based upon an analysis of specific identification of obsolete inventory items and quantification of slow moving inventory items. The Company recorded no material inventory write-downs during the three and nine months ended September 30, 2019 and $0.1 million of inventory write-downs during the three and nine months ended September 30, 2018.

Revenue Recognition

Revenue Recognition

The Company generates revenue primarily from sales of IC products and licensing of its IP. Revenues are recognized when control is transferred to customers in amounts that reflect the consideration the Company expects to be entitled to receive in exchange for those goods. Revenue recognition is evaluated through the following five steps: (i) identification of the contract, or contracts, with a customer; (ii) identification of the performance obligations in the contract; (iii) determination of the transaction price; (iv) allocation of the transaction price to the performance obligations in the contract; and (v) recognition of revenue when or as a performance obligation is satisfied.

IC products

Revenue is recognized when performance obligations under the terms of a contract with a customer are satisfied.

The majority of the Company's contracts have a single performance obligation to transfer products. Accordingly, the Company recognizes revenue when title and risk of loss have been transferred to the customer, generally at the time of shipment of products. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring products and is generally based upon a negotiated, formula, list or fixed price. The Company sells its products both directly to customers and through distributors generally under agreements with payment terms typically less than 60 days.

The Company may record an estimated allowance, at the time of shipment, for future returns and other charges against revenue consistent with the terms of sale.

Royalty and other

The Company’s licensing contracts typically provide for royalties based on the licensee’s use of the Company’s memory technology in its currently shipping commercial products. The Company estimates its royalty revenue in the calendar quarter in which the licensee uses the licensed technology.  Payments are generally received in the subsequent quarter.

Contract liabilities – deferred revenue

The Company’s contract liabilities consist of advance customer payments and deferred revenue. The Company classifies advance customer payments and deferred revenue as current or non-current based on the timing of when the Company expects to recognize revenue.

During the nine months ended September 30, 2019, the Company recognized revenue of $0.3 million that had been included in deferred revenue at December 31, 2018.

See Note 5 for disaggregation of revenue by geography.

Cost of Net Revenue

Cost of Net Revenue

Cost of net revenue consists primarily of direct and indirect costs of IC product sales and engineering personnel costs directly related to maintenance and support services specified in licensing agreements. Maintenance and support typically include engineering support to assist in the commencement of production of a licensee’s products.

Goodwill

Goodwill

The Company determines the amount of potential goodwill impairment by comparing the fair value of the reporting unit with its carrying amount. To the extent the carrying value of a reporting unit exceeds its fair value, a goodwill impairment charge is recognized.

The Company has determined that it has a single reporting unit for purposes of performing its goodwill impairment test. As the Company uses the market approach to determine the step one fair value, the price of its common stock is an important component of the fair value calculation. If the Company’s stock price continues to experience significant price and volume fluctuations, this will impact the fair value of the reporting unit, which can lead to potential impairment in future periods. The Company reviews goodwill for impairment on an annual basis or whenever events or changes in circumstances indicate the carrying value of an asset may not be recoverable. The Company first assesses qualitative factors to determine whether it is more-likely-than-not that the fair value of the reporting unit is less than the carrying amount as a basis for determining whether it is necessary to perform an impairment test. If the qualitative assessment warrants further analysis, the Company compares the fair value of the reporting unit to its carrying value. The fair value of the reporting unit is determined using the market approach. If the fair value of the reporting unit exceeds the carrying value of net assets of the reporting unit, goodwill is not impaired. If the carrying value of the reporting unit’s goodwill exceeds its fair value, then the Company must record an impairment charge equal to the difference. The Company performed its annual test for goodwill impairment as of September 1, 2019, and, due to a decrease in the price per share of its common stock, the test results indicated the goodwill carrying value was greater than its implied fair value. Further, the Company concluded a triggering event had occurred due to the sustained decrease in the price per share of its common stock and related reduced market capitalization as of September 30, 2019 and performed an additional test for impairment of its goodwill asset resulting in further indication that the goodwill carrying value was still greater than its implied fair value. As a result of both of these tests, the Company recorded non-cash impairment charges totaling $0.4 million.  As a result of these charges, the Company’s goodwill balance was reduced to zero at September 30, 2019.

Warrants

Warrants

As of September 30, 2019 and December 31, 2018, the Company had the following outstanding warrants to purchase common stock:

Warrant type	Number of shares		Exercise Price		Expiration date
Pre-funded common stock		115,538	$	0.02	None
Common stock		33,125	$	47.00	January 2023
Common stock		1,845,540	$	6.00	October 2023

Per Share Amounts

Per Share Amounts

Basic net income (loss) per share is computed by dividing net income (loss) for the period by the weighted-average number of shares of common stock outstanding during the period. Diluted net income (loss) per share gives effect to all potentially dilutive common shares outstanding during the period. Potentially dilutive common shares consist of incremental shares of common stock issuable upon the exercise of stock options, vesting of stock awards and shares issuable in conjunction with the outstanding convertible notes.  

The following table sets forth the computation of basic and diluted net loss per share for the periods indicated (in thousands, except per share amounts):

	Three months ended						Nine months ended
	September 30,						September 30,
	2019			2018			2019			2018
Numerator:
Net loss	$	(1,801	)	$	(2,812	)	$	(1,894	)	$	(2,149	)
Denominator:
Weighted-average common shares outstanding		2,171			412			2,161			409
Total shares: basic and diluted		2,171			412			2,161			409
Net loss per share:
Basic and diluted	$	(0.83	)	$	(6.83	)	$	(0.88	)	$	(5.25	)

The following table sets forth securities outstanding which were excluded from the computation of diluted net loss per share as their inclusion would be anti-dilutive (in thousands):

	September 30,
	2019		2018
Options to purchase common stock		81		17
Unvested restricted common stock units		91		19
Convertible debt		245		118
Warrants		1,994		33
Total		2,411		187

Recently Adopted Accounting Standards

Recently Adopted Accounting Standards

In 2016, the Financial Accounting Standard Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842), which sets out the principles for the recognition, measurement, presentation and disclosure of leases. The standard introduces a new lessee model that requires most leases to be recorded on the balance sheet and eliminates the required use of bright-line tests for determining lease classification. In July 2018, the FASB issued the following standards which clarified ASU No. 2016-02 and have the same effective date as the original standard: ASU No. 2018-10, Codification Improvements to Topic 842, Leases and ASU No. 2018-11, Leases (Topic 842): Targeted Improvements. ASU No. 2018-11 includes an option to not restate comparative periods in transition and elect to use the effective date of ASU No. 2016-02 as the date of initial application of transition. In March 2019, the FASB issued ASU No. 2019-01, Leases (Topic 842): Codification Improvements, which clarifies ASU No. 2016-02 and is effective for fiscal years beginning after December 15, 2019 and interim periods within those fiscal years. The Company adopted ASU No. 2016-02, as amended, on January 1, 2019 using the optional transition method provided by the FASB in ASU No. 2018-11. As the Company did not restate comparative periods, the adoption had no impact on previously reported results. The Company elected to use the practical expedient that allowed it to not reassess: (1) whether any expired or existing contracts are or contain leases, (2) lease classification for any expired or existing leases and (3) initial direct costs for any expired or existing leases as well as the practical expedient that allows lessees to treat the lease and non-lease components of leases as a single lease component for all asset classes. The adoption of this standard had a material impact on the Company’s condensed consolidated balance sheet due to the recognition of right of use assets and lease liabilities. Upon adoption, the Company recognized right of use assets and lease liabilities of approximately $0.4 million that reflected the present value of future lease payments. The adoption of this standard did not have a material impact on the Company’s condensed consolidated results of operations or cash flows. See Note 9 for further information.

In 2016, the FASB issued ASU No. 2016-09, Compensation—Stock Compensation (Topic 718), Improvements to Employee Share-based Payment Accounting. ASU No. 2016-09 simplifies several aspects of the accounting for employee share-based payment transactions, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as classification in the statement of cash flows. The Company adopted ASU No. 2016-09 effective January 1, 2019, and has applied the effects of the adoption from that date. ASU No. 2016-09 permits entities to make an accounting policy election related to how forfeitures will impact the recognition of compensation cost for stock-based compensation to: estimate the total number of awards for which the requisite service period will not be rendered (as previously required) or account for forfeitures as they occur. Upon the adoption of ASU No. 2016-09, the Company elected to change its accounting policy to account for forfeitures as they occur. Historically, estimated forfeitures were immaterial to the consolidated financial statements. The amendments in the standard that required use of a modified retrospective transition method did not materially impact the Company. Therefore, the Company did not recognize a cumulative-effect adjustment to accumulated deficit upon adoption.

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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning Balance at Dec. 31, 2017	$ 7,346		$ 232,034		$ (224,688)
Beginning Balance, shares at Dec. 31, 2017		404
Cumulative effect of accounting change	230				230
Issuance costs for the sale of common stock	(12)		(12)
Issuance of common stock for release of awards	(38)		(38)
Issuance of common stock for release of awards, shares		5
Stock-based compensation	93		93
Net income (loss)	348				348
Ending Balance at Mar. 31, 2018	7,967		232,077		(224,110)
Ending Balance, shares at Mar. 31, 2018		409
Beginning Balance at Dec. 31, 2017	7,346		232,034		(224,688)
Beginning Balance, shares at Dec. 31, 2017		404
Net income (loss)	(2,149)
Ending Balance at Sep. 30, 2018	5,815		232,422		(226,607)
Ending Balance, shares at Sep. 30, 2018		414
Beginning Balance at Mar. 31, 2018	7,967		232,077		(224,110)
Beginning Balance, shares at Mar. 31, 2018		409
Stock-based compensation	159		159
Net income (loss)	315				315
Ending Balance at Jun. 30, 2018	8,441		232,236		(223,795)
Ending Balance, shares at Jun. 30, 2018		409
Issuance of common stock for release of awards	(8)		(8)
Issuance of common stock for release of awards, shares		5
Stock-based compensation	194		194
Net income (loss)	(2,812)				(2,812)
Ending Balance at Sep. 30, 2018	5,815		232,422		(226,607)
Ending Balance, shares at Sep. 30, 2018		414
Beginning Balance at Dec. 31, 2018	$ 7,157	$ 2	243,022		(235,867)
Beginning Balance, shares at Dec. 31, 2018	2,148	2,148
Issuance of common stock for release of awards	$ (1)		(1)
Issuance of common stock for release of awards, shares		9
Stock-based compensation	(4)		(4)
Net income (loss)	10				10
Ending Balance at Mar. 31, 2019	7,162	$ 2	243,017		(235,857)
Ending Balance, shares at Mar. 31, 2019		2,157
Beginning Balance at Dec. 31, 2018	$ 7,157	$ 2	243,022		(235,867)
Beginning Balance, shares at Dec. 31, 2018	2,148	2,148
Unrealized gain on available-for-sale investments	$ 1
Net income (loss)	(1,894)
Ending Balance at Sep. 30, 2019	$ 5,459	$ 2	243,217	$ 1	(237,761)
Ending Balance, shares at Sep. 30, 2019	2,178	2,178
Beginning Balance at Mar. 31, 2019	$ 7,162	$ 2	243,017		(235,857)
Beginning Balance, shares at Mar. 31, 2019		2,157
Issuance of common stock for release of awards, shares		5
Stock-based compensation	119		119
Unrealized gain on available-for-sale investments	1			1
Net income (loss)	(103)				(103)
Ending Balance at Jun. 30, 2019	7,179	$ 2	243,136	1	(235,960)
Ending Balance, shares at Jun. 30, 2019		2,162
Issuance of common stock for release of awards	(3)		(3)
Issuance of common stock for release of awards, shares		16
Stock-based compensation	84		84
Net income (loss)	(1,801)				(1,801)
Ending Balance at Sep. 30, 2019	$ 5,459	$ 2	$ 243,217	$ 1	$ (237,761)
Ending Balance, shares at Sep. 30, 2019	2,178	2,178

XML

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Nov. 01, 2019
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Registrant Name	MoSys, Inc.
Entity Central Index Key	0000890394
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Trading Symbol	MOSY
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Address, State or Province	CA
Entity Shell Company	false
Entity Interactive Data Current	Yes
Title of 12(b) Security	Common Stock, par value $0.001 per share
Security Exchange Name	NASDAQ
Entity Common Stock, Shares Outstanding		2,177,552
Entity File Number	000-32929
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	77-0291941
Entity Address, Address Line One	2309 Bering Drive
Entity Address, City or Town	San Jose
Entity Address, Postal Zip Code	95131
City Area Code	408
Local Phone Number	418-7500
Document Quarterly Report	true
Document Transition Report	false

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Income Tax Provision

9 Months Ended

Sep. 30, 2019

Income Tax Disclosure [Abstract]

Income Tax Provision

Note 6. Income Tax Provision

The Company determines deferred tax assets and liabilities based upon the differences between the financial statement and tax bases of the Company’s assets and liabilities using tax rates in effect for the year in which the Company expects the differences to affect taxable income. A valuation allowance is established for any deferred tax assets for which it is more likely than not that all or a portion of the deferred tax assets will not be realized.

The Company files U.S. federal and state and foreign income tax returns in jurisdictions with varying statutes of limitations.  All tax returns from 2013 to 2018 may be subject to examination by the Internal Revenue Service, California and other states. Returns filed in foreign jurisdictions may be subject to examination for the years 2009 to 2018.  As of September 30, 2019, the Company has not recorded any liability for unrecognized tax benefits related to uncertain tax positions.

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Balance Sheet Detail

9 Months Ended

Sep. 30, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Balance Sheet Detail

Note 3. Balance Sheet Detail

	September 30,		December 31,
	2019		2018
	(in thousands)
Inventories:
Work-in-process	$	755	$	548
Finished goods		460		600
	$	1,215	$	1,148