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Note 9 - Prepaid Expenses and Other - Summary of Prepaid Expenses and Others (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Sep. 30, 2021
Deposits for inventory $ 265 $ 997
Prepaid insurance 290 395
Dues and subscriptions 194 213
Prepaid professional services 6 158
Prepaid commissions 163 82
Trade shows and travel 178 95
Other 127 315
Prepaid expenses and other $ 1,223 $ 2,255