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DECONSOLIDATION OF SUBSIDIARIES AND GIGA DISCONTINUED OPERATIONS (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Other income (expense):        
Net income (loss) $ (340,000) $ 2,996,000
Net loss attributable to non-controlling interest $ 1,713,000 (5,514,000) $ 1,195,000 1,621,000
GIGA [Member]        
Investment Company, Nonconsolidated Subsidiary [Line Items]        
Revenue, products   10,610,000   20,183,000
Cost of revenue, products   7,452,000   15,515,000
Gross profit   3,158,000   4,668,000
Research and development   750,000   1,711,000
Selling and marketing   268,000   880,000
General and administrative   1,694,000   5,109,000
Total operating expenses   2,712,000   7,700,000
Income (loss) from operations   446,000   (3,032,000)
Other income (expense):        
Interest and other income   89,000   149,000
Interest expense   (504,000)   (1,356,000)
Total other expense, net   (415,000)   (1,207,000)
Income (loss) before income taxes   31,000   (4,239,000)
Income tax provision (benefit)   28,000   (15,000)
Net income (loss)   3,000   (4,224,000)
Net loss attributable to non-controlling interest   338,000   1,229,000
Net income (loss) available to common stockholders   $ 341,000   $ (2,995,000)