Schedule of Net Deferred Income Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Federal net operating loss carryforward	$ 66,741	$ 58,171
Stock based compensation and other items	4,674	7,622
Intellectual property	41,572	62,055
Deferred tax assets before valuation	112,987	127,848
Valuation allowance	(112,987)	(127,848)
Net deferred income tax assets