Note 8 - Accrued Expenses and Other Liabilities (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30, 2021		December 31, 2020
Compensation and related expenses	$	8,794	$	7,345
Professional fees		2,046		3,438
Operating lease liability - current		1,542		1,437
Clinical trial costs		2,463		1,429
Other		2,494		1,144
Total	$	17,339	$	14,793