Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Significant Accounting Policies - Schedule of Reconciliation of Beginning and Ending Level 3 Liabilities (Details)

v3.20.4
Basis of Presentation and Significant Accounting Policies - Schedule of Reconciliation of Beginning and Ending Level 3 Liabilities (Details) - Unobservable Inputs Level 3 [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Balance - January 1, $ 7 $ 263
Change in fair value of warrants potentially settleable in cash (Note 10) 54 (256)
Balance at December 31, $ 61 $ 7