Note 8 - Accrued Expenses and Other Liabilities (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30, 2021		December 31, 2020
Compensation and related expenses	$	7,754	$	7,345
Professional fees		2,542		3,438
Operating lease liability - current		1,524		1,437
Clinical trial costs		2,604		1,429
Other		1,972		1,144
Total	$	16,396	$	14,793