Annual report pursuant to Section 13 and 15(d)

Description of Business and Summary of Significant Accounting Policies (Details) - Schedule of cash and cash equivalent and restricted cash

v3.21.1
Description of Business and Summary of Significant Accounting Policies (Details) - Schedule of cash and cash equivalent and restricted cash - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Schedule of cash and cash equivalent and restricted cash [Abstract]      
Cash and cash equivalents $ 63,560 $ 9,254  
Restricted cash - current 48 48  
Restricted cash - long-term 391 391  
Cash, cash equivalents and restricted cash $ 63,999 $ 9,693 $ 14,105