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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details - Schedule of other current assets) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Vendor prepayments $ 2,253 $ 1,049
Deferred equity offering costs 11 344
Prepaid insurance 42 106
Related party receivable 116 38
Other 31 42
Total prepaid expenses and other current $ 2,453 $ 1,579