Stock Options (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2020 |
Jun. 30, 2020 |
Sep. 30, 2019 |
Sep. 30, 2020 |
Sep. 30, 2019 |
|
| Stock Options (Textual) | |||||
| Stock option expense amortization | $ 256 | $ 871 | $ 941 | $ 2,376 | |
| Dividends assumption | |||||
| 2011 Plan [Member] | |||||
| Stock Options (Textual) | |||||
| 2011 Plan aggregate number of options authorized | 417,270 | 417,270 | |||
| 2018 Plan [Member] | |||||
| Stock Options (Textual) | |||||
| 2018 Plan aggregate number of options authorized | 12,730,073 | 12,730,073 | |||
| Stock Options [Member] | |||||
| Stock Options (Textual) | |||||
| Incentive stock options granted, description | Incentive stock options granted under the Option Plans are granted at exercise prices not less than 100% of the estimated fair market value of the underlying common stock at date of grant. The exercise price per share for incentive stock options may not be less than 110% of the estimated fair value of the underlying common stock on the grant date for any individual possessing more that 10% of the total outstanding common stock of the Company. | ||||
| Non-plan stock options granted | 1 | 1 | |||
| Stock options granted as of the period end date | 5,544,594 | ||||
| Stock options available for future grant | 7,602,750 | ||||
| Fair value of non-vested options | $ 1,907 | $ 1,907 | |||
| Weighted average remaining term of non-vested options | 11 months 23 days | ||||
| Stock options, description | The Company granted stock options for the purchase of 5,567,500 shares of common stock to employees and directors of the Company. These stock options are 100% vested at grant or vest pro-rata over 12 to 48 months, have a life of ten years and an exercise price of $1.10 per share. The Company valued the stock options using the Black-Scholes option valuation model and the fair value of the awards was determined to be approximately $1,911,000. The fair value of the common stock as of the grant date was determined to be $1.10 per share. | ||||
| Incentive stock option plan, description | Unless terminated sooner by the Board of Directors, this plan will terminate on August 31, 2021. | ||||