Accrued Liabilities

3 Months Ended

Mar. 31, 2022

Payables and Accruals [Abstract]

Accrued Liabilities

7. Accrued Liabilities

Accrued liabilities consist of the following (in thousands):

	March 31, 2022			December 31, 2021
Accrued salaries, bonus, and benefits	$	1,016		$	1,516
Accrued licenses and maintenance fees		484			484
Accrued warranties		237			242
Accrued taxes		201			177
Accrued investigational sites		115			123
Accrued lease deposit payable		5			124
Other		111			81
Total accrued liabilities		2,169			2,747
Less: Long term accrued liabilities		(202	)		(219	)
Total current accrued liabilities	$	1,967		$	2,528

Certain prior year amounts have been reclassified to conform to the 2022 presentation.