Marketable Securities (Details Narrative) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| Investments, Debt and Equity Securities [Abstract] | |||||
| Marketable securities held in mutual funds | $ 62,000 | $ 62,000 | $ 2,276,000 | ||
| Mutual funds classified as available for sale | 62,000 | 62,000 | $ 2,276,000 | ||
| Net gain (loss) on equity securities | (1,000) | $ 273,000 | 17,000 | $ 95,000 | |
| Unrealized gain on equity securities | 11,000 | (59,000) | (56,000) | (277,000) | |
| Marketable securities | $ (12,000) | $ 332,000 | $ 73,000 | $ 373,000 | |