Note 5 - Accrued Liabilities (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	September 30,		December 31,
	2022		2021
Accrued interest	$	1,229	$	-
Accrued bonuses		906		1,209
Accrued payroll and other related expenses		557		495
Deferred revenue - subscription rental program		412		448
Accrued professional fees		332		120
Current operating lease liabilities		253		225
Accrued clinical trial costs		248		337
Other accruals		164		219
Total accrued liabilities	$	4,101	$	3,053