Schedule of Weighted Average Assumptions to Calculate Fair Value of Stock Options (Details) - 2012 Plan [Member] |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||
| Expected life (in years) | 6 years 2 months 12 days | 6 years 2 months 12 days |
| Risk-free interest rates | 1.00% | 0.80% |
| Volatility | 73.20% | 67.70% |
| Dividend yield | ||