Quarterly report pursuant to Section 13 or 15(d)

Stock Warrants - Summary of all outstanding and exercisable warrants (Details)

v3.21.1
Stock Warrants - Summary of all outstanding and exercisable warrants (Details)
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Exercise Price 0.69 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price | $ / shares $ 0.69
Warrants Outstanding 6,344,252
Warrants Exercisable 6,344,252
Weighted Average Remaining Contractual Life (in years) 2 years 6 months 11 days
Exercise Price 18.20 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price | $ / shares $ 18.20
Warrants Outstanding 714
Warrants Exercisable 714
Weighted Average Remaining Contractual Life (in years) 1 year 8 months 27 days
Exercise price 3.24 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price | $ / shares $ 0.69
Warrants Outstanding 6,344,966
Warrants Exercisable 6,344,966
Weighted Average Remaining Contractual Life (in years) 2 years 6 months 11 days