Annual report pursuant to Section 13 and 15(d)

INCOME TAXES - Statutory federal income tax rates (Details)

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INCOME TAXES - Statutory federal income tax rates (Details)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Tax expense at the federal statutory rate 21.00% 21.00%
State taxes, net of federal benefit 8.70% 3.50%
Permanent differences (0.20%) (10.30%)
True-up 1.20% (4.40%)
Change in valuation allowance (30.70%) (9.80%)
Effective income tax rate 0.00% 0.00%