Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued salaries, bonus, and benefits	$ 1,381	$ 1,516
Accrued licenses and maintenance fees	484	484
Accrued warranties	163	242
Accrued taxes	47	177
Accrued investigational sites	101	123
Accrued lease deposit payable		124
Deferred contract obligation	1,045
Other	136	80
Total accrued liabilities	3,357	2,746
Less: Long term accrued liabilities	(51)	(218)
Total current accrued liabilities	$ 3,306	$ 2,528