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Stock-based Compensation | 9 Months Ended
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Sep. 30, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock-based Compensation | NOTE 9 —Stock-based Compensation Stock-based compensation expense for the three and nine months ended September 30, 2021, and 2020 is as follows:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Cost of revenues |  | $ | 16 |  |  | $ | 16 |  |  | $ | 48 |  |  | $ | 39 |
Sales and marketing |  | 45 |  |  | 59 |  |  | 156 |  |  | 165 |
General and administrative |  | 189 |  |  | 173 |  |  | 426 |  |  | 371 |
Research and development |  | 35 |  |  | 64 |  |  | 130 |  |  | 195 |
|  | $ | 285 |  |  | $ | 312 |  |  | $ | 760 |  |  | $ | 770 |
Stock Options: Stock option activity for the nine months ended September 30, 2021, is set forth in the table below and reflects the 1-for-10 Reverse Stock Split that became effective on September 15, 2021:
|  |  |  |  |  |  |  |  |  | Weighted average |  |  |  |  |
|  |  |  |  |  | Weighted average |  |  |  | remaining |  |  |  | Aggregate |
|  |  |  |  |  | exercise price |  |  |  | contractual life |  |  |  | Intrinsic |
|  | Options |  |  |  | per share |  |  |  | (in years) |  |  |  | Value* |
Outstanding at January 1, 2021 |  | 144,303 |  |  | $ | 36.37 |  |  |  | 7.82 |  |  | $ | 24 |
Options granted |  | — |  |  | $ | — |  |  |  |  |  |  |  |  |
Options exercised |  | (707 | ) |  | $ | 7.50 |  |  |  |  |  |  |  |  |
Options forfeited |  | (23,171 | ) |  | $ | 27.55 |  |  |  |  |  |  |  |  |
Options expired |  | (13,781 | ) |  | $ | 32.29 |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2021 |  | 106,644 |  |  | $ | 39.00 |  |  |  | 6.35 |  |  | $ | 9 |
Exercisable at September 30, 2021 |  | 69,082 |  |  | $ | 42.34 |  |  |  | 5.36 |  |  | $ | 9 |
*The intrinsic value is calculated as the difference between the exercise price and the fair value of the common stock on the balance sheet date. As of September 30, 2021, there was approximately $1,758 of unamortized stock-based compensation cost related to unvested stock options, which is expected to be recognized over a weighted average period of approximately three years. Restricted Stock Units: Restricted stock units’ (“RSU”) activity for the nine months ended September 30, 2021, is set forth in the table below and reflects the 1-for-10 Reverse Stock Split that became effective on September 15, 2021:
|  | RSUs |
Outstanding at January 1, 2021 |  |  | 269,138 |
Granted |  |  | 47,597 |
Released |  |  | (55,683 | )
Forfeited |  |  | (84,175 | )
Outstanding at September 30, 2021 |  |  | 176,877 |
Exercisable September 30, 2021 |  |  | — |
As of September 30, 2021, unvested RSU’s totaled 176,887 shares. There were 47,597 RSU’s granted for the nine months ended September 30, 2021, and 269,200 RSU’s granted for the nine months ended September 30, 2020.

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- Definition The entire disclosure for share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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