XML 57 R44.htm IDEA: XBRL DOCUMENT v3.21.1
INCOME TAXES - Reconciliation of the statutory federal income tax (Details) - USD ($)
$ in Thousands
8 Months Ended 12 Months Ended
Dec. 31, 2019
Dec. 31, 2020
Amount    
Federal tax benefit as statutory rates $ (2,182) $ (26,050)
Stock-based compensation 21 192
Other permanent differences 1 32
Change in valuation allowance $ 2,160 25,826
Total tax benefit   $ 0
Rates    
Federal tax benefit as statutory rates 21.00% 21.00%
Stock-based compensation, rate 0.20% 0.20%
Change in valuation allowance, rate 20.80% 20.80%