Schedule of Deferred tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Operating loss and credit carryforwards	$ 20,487	$ 16,611
Capitalized research and development	1,083	1,470
Stock-based compensation	1,566	1,284
Accrual for contingency matter		888
Lease liabilities	40	46
Excess book over tax depreciation		21
Total deferred tax assets	23,176	20,320
Less: valuation allowance	(23,136)	(20,274)
Deferred tax assets	40	46
Operating lease assets	40	46
Total deferred tax liability	(40)	(46)
Deferred Tax Net