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INVESTMENTS - RELATED PARTIES (Details) - USD ($)
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Other $ 335,000 $ 335,000
Allowance for credit losses (500,000) (500,000)
Total investment in promissory notes and other, related parties $ 27,596,000 20,802,000
Promissory Note And Accrued Interest Receivable Ault Company [Member] | GIGA [Member]    
Interest Rate 8.00%  
Due date December 31, 2024  
Promissory note and accrued interest receivable, Ault & Company, in default 2,468,000
Promissory Note And Accrued Interest Receivable G I G A [Member] | GIGA [Member]    
Due date In bankruptcy  
Promissory note and accrued interest receivable, Ault & Company, in default $ 27,761,000 $ 18,499,000
Promissory Note And Accrued Interest Receivable G I G A [Member] | GIGA [Member] | Minimum [Member]    
Interest Rate 6.00%  
Promissory Note And Accrued Interest Receivable G I G A [Member] | GIGA [Member] | Maximum [Member]    
Interest Rate 15.00%