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Schedule of Effective Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]    
U. S. federal statutory tax rate (21.00%) (21.00%)
State income taxes, net of federal tax benefit (6.00%) (6.00%)
Expirations related to stock-based compensation 10.40% 1.70%
Adjustment to deferred tax asset (0.80%) (1.50%)
Change in valuation allowance 17.40% 26.80%
Effective tax rate 0.00% 0.00%