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Stock-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Schedule of Stock-based Compensation Expense | Stock-based compensation expense is as follows:
|  | For the Year Ended |
|  | December 31 |
|  | 2021 |  |  | 2020 |
Research and development |  | $ | 159 |  |  | $ | 252 |
Sales and marketing |  |  | 188 |  |  |  | 230 |
General and administrative |  |  | 673 |  |  |  | 548 |
Cost of revenues |  |  | 65 |  |  |  | 57 |
|  | $ | 1,085 |  |  | $ | 1,087 |
Summary of Stock Option Activity | Stock option activity for the years ended December 31, 2021 and 2020 is as follows and reflects the 1-for-10 Reverse Stock Split that became effective on September 15, 2021:
|  |  |  |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual life |  |  | Aggregate Intrinsic |
|  | Options |  |  | per share |  |  | (in years) |  |  | Value* |
Outstanding at January 1, 2020 |  |  | 264,443 |  |  | $ | 35.00 |  |  |  | 8.51 |  |  | $ | 4,184 |
Options granted |  |  | 2,600 |  |  | $ | 8.58 |  |  |  |  |  |  |  |  |
Options exercised |  |  | (54,116 | ) |  | $ | 7.06 |  |  |  |  |  |  |  |  |
Options forfeited |  |  | (51,079 | ) |  | $ | 47.27 |  |  |  |  |  |  |  |  |
Options cancelled |  |  | (17,545 | ) |  | $ | 70.44 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2020 |  |  | 144,303 |  |  | $ | 36.37 |  |  |  | 7.82 |  |  | $ | 24 |
Options granted |  |  | 0 |  |  | $ |  |  |  |  |  |  |  |  |  |
Options exercised |  |  | (707 | ) |  | $ | 7.50 |  |  |  |  |  |  |  |  |
Options forfeited |  |  | (23,171 | ) |  | $ | 27.55 |  |  |  |  |  |  |  |  |
Options cancelled |  |  | (25,012 | ) |  | $ | 29.60 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2021 |  |  | 95,413 |  |  | $ | 40.00 |  |  |  | 6.73 |  |  | $ | 0 |
Vested and expected to vest at December 31, 2021 |  |  | 95,413 |  |  | $ | 40.00 |  |  |  | 6.71 |  |  | $ | 0 |
Exercisable at December 31, 2021 |  |  | 61,130 |  |  | $ | 44.34 |  |  |  | 6.05 |  |  | $ | 0 |
*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.
Summary of Fair Value of Option Grants Valuation Assumptions | The fair value of option grants made during the years ended December 31, 2020, was estimated using the following Black-Scholes option pricing model assumptions:
|  | 2020 |  |  |  |
Expected dividend yield |  |  | 0% |  |  |  |  |
Risk-free interest rate |  | 0.26%-0.46% |  |  |  |
Expected volatility |  |  | 50% |  |  |  |  |
Expected life (in years) |  |  | 6.25 |  |  |  |  |
Summary of Outstanding RSU's | The following table summarized the outstanding RSU’s as of December 31, 2021:
|  | RSU's |
Outstanding at January 1, 2021 |  |  | 269,138 |
Granted |  |  | 220,268 |
Released |  |  | (55,683 | )
Forfeited |  |  | (86,612 | )
Outstanding at December 31, 2021 |  |  | 347,111 |

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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