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Note 4 - Other Financial Information - Accounts Payable and Accrued Expense (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Accounts payable $ 2,545 $ 5,786
Accrued sales reserves 687 497
Accrued clinical expenses 2,285 1,377
Accrued research and development expenses 1,118 1,748
Accrued selling, general and administrative expenses 2,139 1,965
Accrued other expenses 582 729
Total accounts payable and accrued expenses $ 9,356 $ 12,102