Annual report pursuant to Section 13 and 15(d)

Schedule of Fair Value of Warrants Classified as Liabilities (Details)

v3.22.1
Schedule of Fair Value of Warrants Classified as Liabilities (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
Dec. 31, 2020
USD ($)
$ / shares
October 2013 Warrants [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Strike price | $ / shares $ 15.00 $ 15.00
October 2013 Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value assumptions, percentage 0.00 0.00
October 2013 Warrants [Member] | Measurement Input, Expected Term [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Warrant Expected term (years) 1 year 9 months 18 days 2 years 9 months 18 days
October 2013 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value assumptions, percentage 129.65 119.18
October 2013 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value assumptions, percentage 0.06 0.16
October 2013 Warrants [Member] | Measurement Input Fair Value [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value | $ $ 2 $ 9
January 2014 Warrants [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Strike price | $ / shares $ 15.00 $ 15.00
January 2014 Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value assumptions, percentage 0.00 0.00
January 2014 Warrants [Member] | Measurement Input, Expected Term [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Warrant Expected term (years) 2 years 3 years
January 2014 Warrants [Member] | Measurement Input, Price Volatility [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value assumptions, percentage 128.17 116.65
January 2014 Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value assumptions, percentage 0.08 0.18
January 2014 Warrants [Member] | Measurement Input Fair Value [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value | $ $ 10 $ 52