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Note 4 - Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Prepaid insurance $ 94 $ 66
Prepaid dues and subscriptions 60 85
Prepaid taxes 7 83
Prepaid inventory 0 73
Other 94 81
Prepaid expenses from discontinued operations 0 (132)
Total prepaid expenses and other current assets $ 255 $ 256