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Schedule of Reconciliation of Federal Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]    
U.S. statutory income tax rate 21.00% 21.00%
State and local taxes, net of federal tax benefit 1.80% 1.80%
Permanent differences between book and tax (3.50%) (3.30%)
State rate adjustments (2.20%) (0.90%)
Prior year return-to-provision adjustment 0.20% 0.30%
Valuation allowance (17.30%) (18.90%)
Effective income tax rate 0.00% 0.00%