Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued salaries, bonus, and benefits	$ 1,492	$ 1,516
Accrued licenses and maintenance fees	484	484
Accrued warranties	166	242
Accrued taxes	269	177
Accrued investigational sites	92	123
Accrued lease deposit payable	5	124
Deferred contract obligation	738
Other	133	81
Total accrued liabilities	3,379	2,747
Less: Long term accrued liabilities	(168)	(219)
Total current accrued liabilities	$ 3,211	$ 2,528