Accrued Liabilities

3 Months Ended

Mar. 31, 2023

Payables and Accruals [Abstract]

Accrued Liabilities

8. Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	March 31, 2023			December 31, 2022
Accrued salaries, bonus, and benefits	$	899		$	1,381
Accrued licenses and maintenance fees		484			484
Accrued warranties		155			163
Accrued taxes		75			47
Accrued investigational sites		85			101
Deferred contract obligations		1,045			1,045
Other		112			136
Total accrued liabilities		2,855			3,357
Less: Long term accrued liabilities		(51	)		(51	)
Total current accrued liabilities	$	2,804		$	3,306