Quarterly report pursuant to Section 13 or 15(d)

Schedule of Assumption Used for Fair Value of Option (Details)

v3.21.2
Schedule of Assumption Used for Fair Value of Option (Details)
6 Months Ended
Jun. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected dividend yield
Minimum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted-average risk-free interest rate 0.73%
Weighted-average expected life (in years) 5 years 3 months 18 days
Weighted-average expected volatility 138.00%
Maximum [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Weighted-average risk-free interest rate 0.85%
Weighted-average expected life (in years) 5 years 10 months 24 days
Weighted-average expected volatility 139.00%