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Note 4 - Other Financial Information (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

		September 30,				December 31,
		2022				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

Interest Income and Interest Expense Disclosure [Table Text Block]

		Nine Months Ended September 30,
		2022				2021
Interest income		$	469			$	345
Other income (expense), net			135				(76	)
Interest and other income, net		$	604			$	269

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