Annual report pursuant to Section 13 and 15(d)

Equity (Details) - Schedule of warrant activities

v3.22.1
Equity (Details) - Schedule of warrant activities - Warrant [Member] - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Class of Warrant [Line Items]    
Number of Warrants, Outstanding, Beginning 2,113 2,871
Weighted Average Exercise Price, Beginning $ 20.55 $ 20.71
Weighted average remaining contractual term (in years), beginning   2 years 11 months 12 days
Aggregate Intrinsic Value, Beginning $ 362 $ 301
Number of Warrants, Outstanding, Ending 2,112 2,113
Weighted Average Exercise Price, Ending $ 20.52 $ 20.55
Weighted Average Remaining Contractual Term (in years), Ending 1 year 9 months 3 days 2 years 9 months 3 days
Aggregate Intrinsic Value, Ending $ 276 $ 362
Number of Warrants, Exercisable 2,108  
Weighted Average Exercise Price, Exercisable $ 20.12  
Weighted Average Remaining Contractual Term (in years), Exercisable 1 year 9 months 3 days  
Aggregate Intrinsic Value, Exercisable $ 276  
Number of Warrants, Granted 1  
Weighted Average Exercise Price, Granted $ 8.3  
Number of Warrants, Exercised   (2)
Weighted Average Exercise Price, Exercised   $ 15
Number of Warrants, Cancelled/Expired (2) (756)
Weighted Average Exercise Price, Cancelled/Expired $ 50.17 $ 20.99