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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% |

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