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Note 7 - Accounts Payable and Accrued Expenses - Summary of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Patent and legal costs $ 120 $ 21
Accrued compensation 295 325
Warranty costs 51 72
Taxes and other 369 274
Total $ 835 $ 692