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INCOME TAXES (Schedule of effective rate for income taxes) (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Schedule of reconciliation between effective income taxes rate and statutory federal tax rate    
Tax provision at statutory rate (21.00%) (21.00%)
State and local taxes (3.00%) (3.00%)
Incentive Stock Option Expense 1.00%
Change in valuation allowance for net deferred tax assets 24.00% 23.00%
Effective income tax rate