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Schedule of Other Expense, Net (Details) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Other Income and Expenses [Abstract]    
Change in fair value of Cizzle option $ 136,000
Gain on change in fair value of warrant 19,000
Interest Income 9,000
Total other income: 28,000 136,000
Change in fair value of convertible notes payable 280,000
Interest Expense on Deferred Commission payable 79,000
Interest expense on convertible promissory note payable 40,000 5,000
Unrealized foreign currency transaction loss 4,000
Issuance of Warrants for lock up 502 8
Total other expense 625,000 293,000
Total other (expense) income, net $ (597,000) $ (157,000)