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Condensed Consolidated Financial Statements Detail (Tables) | 9 Months Ended
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Sep. 30, 2020
Condensed Consolidated Financial Statements Detail [Abstract] |
Accrued and Other Liabilities | Accrued and other liabilities consisted of the following (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
​ |  | 2020 |  | 2019
Accrued legal and accounting fees | ​ | $ | 202 | ​ | $ | 256
Accrued payroll and other benefits | ​ |  | 154 | ​ |  | 231
Interest payable | ​ |  | 51 | ​ |  | 69
Accrued incentive compensation | ​ |  | 26 | ​ |  | 332
Other | ​ |  | 33 | ​ |  | 57
Total | ​ | $ | 466 | ​ | $ | 945
​
Reconciliation of Numerator and Denominator Used in Calculation of Basic and Diluted Net (Loss) per Share Available to Common Stockholders | The following is a reconciliation of the numerator (net loss or income) and the denominator (number of shares) used in the calculation of basic and diluted net (loss) income per share attributable to common stockholders (in thousands, except per share amounts): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
Numerator |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Net (loss) income | ​ | $ | (1,077) | ​ | $ | 3,178 | ​ | $ | (9,368) | ​ | $ | 2,339
Less: Allocation of undistributed earnings to participating securities | ​ |  | — | ​ |  | (1,327) | ​ |  | — | ​ |  | (977)
Net (loss) income available to common stockholders, basic | ​ | ​ | (1,077) | ​ | ​ | 1,851 | ​ | ​ | (9,368) | ​ | ​ | 1,362
Add: Adjustments to undistributed earnings allocated to participating securities | ​ |  | — | ​ |  | 60 | ​ |  | — | ​ |  | 41
Net (loss) income available to common stockholders, diluted | ​ | $ | (1,077) | ​ | $ | 1,911 | ​ | $ | (9,368) | ​ | $ | 1,403
​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Denominator | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​
Weighted average shares used in computing basic net (loss) income per share available to common stockholders | ​ |  | 11,019 | ​ |  | 8,731 | ​ |  | 10,537 | ​ |  | 8,721
Effect of dilutive stock options | ​ |  | — | ​ |  | 708 | ​ |  | — | ​ | ​ | 657
Effect of dilutive warrants | ​ |  | — | ​ |  | 2 | ​ |  | — | ​ | ​ | 1
Weighted average shares used in computing diluted net (loss) income per share available to common stockholders | ​ |  | 11,019 | ​ |  | 9,441 | ​ |  | 10,537 | ​ |  | 9,379
Basic net (loss) income per share of common stock | ​ | $ | (0.10) | ​ | $ | 0.21 | ​ | $ | (0.89) | ​ | $ | 0.16
Diluted net (loss) income per share of common stock | ​ | $ | (0.10) | ​ | $ | 0.20 | ​ | $ | (0.89) | ​ | $ | 0.15
​
Outstanding Securities Considered Anti-Dilutive | The following table shows the weighted-average outstanding securities considered anti-dilutive and therefore excluded from the computation of diluted net (loss) income per share attributable to common stockholders (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
Convertible preferred stock |  | 5,003 |  | — |  | 5,483 | ​ | —
Common stock options |  | 931 |  | 893 |  | 611 | ​ | 926
Warrants for common stock |  | 19 |  | 15 |  | 21 | ​ | 15
Total |  | 5,953 |  | 908 |  | 6,115 |  | 941

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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