Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Details) - Schedule of Effective Income Tax Rate Reconciliation

v3.20.4
INCOME TAXES (Details) - Schedule of Effective Income Tax Rate Reconciliation
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule of Effective Income Tax Rate Reconciliation [Abstract]    
U.S. federal statutory rate (21.00%) (21.00%)
Federal true ups 1.80% 0.80%
State taxes, net of federal benefit (6.20%) (6.20%)
Change in valuation allowance 26.40% 27.10%
Nondeductible expenses 0.50% 0.50%
R&D credit (1.50%) (2.40%)
Foreign rate differential (0.20%)
China liquidation 1.40%
Effective income tax rate