Schedule of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Accruals and reserves	$ 274	$ 251
Net operating loss	28,951	19,137
Property, plant and equipment	5,777	10,093
Stock options	1,562	996
Research and development tax credit	227	174
Deferred tax assets	36,791	30,651
Valuation allowance	(36,791)	(30,651)	$ (11,921)
Deferred tax assets, net of valuation allowance
Deferred tax liabilities:
Intangibles	(7,779)	(8,886)
Deferred tax liabilities	(7,779)	(8,886)
Deferred tax liabilities, net	$ (7,779)	$ (8,886)