Annual report pursuant to Section 13 and 15(d)

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

v3.19.3.a.u2
Stock-Based Compensation and Warrants - Summary of all outstanding and exercisable warrants (Details)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Exercise Price 1.38 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price | $ / shares $ 1.38
Warrants Outstanding 17,999,999
Warrants Exercisable 17,999,999
Weighted Average Remaining Contractual Life (in years) 3 years 9 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) 2 years 11 months 27 days
Exercise Price 50.05 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price | $ / shares $ 50.05
Warrants Outstanding 714,286
Warrants Exercisable 714,286
Weighted Average Remaining Contractual Life (in years) 10 months 17 days
Exercise Price 5248 [Member]  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Exercise Price | $ / shares $ 3.24
Warrants Outstanding 18,714,999
Warrants Exercisable 18,714,999
Weighted Average Remaining Contractual Life (in years) 3 years 8 months 1 day