Note 5 - Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

	June 30,		December 31,
	2022		2021
Accrued interest	$	1,102	$	-
Accrued bonuses		606		1,209
Accrued payroll and other related expenses		545		495
Deferred revenue - subscription rental program		464		452
Accrued clinical trial costs		306		337
Current operating lease liabilities		244		225
Accrued professional fees		201		120
Other accruals		187		215
Total accrued liabilities	$	3,655	$	3,053