Quarterly report pursuant to Section 13 or 15(d)

Schedule of Assumptions for Stock Option Grants (Details)

v3.22.1
Schedule of Assumptions for Stock Option Grants (Details)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Valuation assumptions 0.00% 0.00%
Minimum [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Expected dividend yield 56.30% 119.00%
Expected term years simplified method 3 years 5 years 6 months
Risk-free interest rate 1.74% 0.98%
Maximum [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Expected dividend yield 69.80% 123.00%
Expected term years simplified method 6 years 1 month 6 days 6 years
Risk-free interest rate 2.13% 1.12%