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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, 2025
Dec. 31, 2024
Other receivables $ 3 $ 76
Avenova Asset Divestiture Escrow 134 0
Dues & subscriptions 48 67
Prepaid taxes & licenses 66 65
Prepaid insurance 42 48
Other 11 16
Total prepaid expenses and other current assets $ 304 $ 272