Consolidated Statement of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Operations [Abstract]
Revenues	$ 162	$ 237
Total Revenues	162	237
Expenses
Research and development expense	822	798
Manufacturing expenses	472	470
Selling, general and administrative expense	1,295	1,084
Depreciation of tangible assets	192	195
Total expenses	2,781	2,547
Operating loss	(2,619)	(2,310)
Interest income	14	1
Financing and interest expense	(319)	(377)
Net financing and interest expense	(305)	(376)
Net Loss	(2,924)	(2,686)
Other Comprehensive Loss
Foreign currency translation adjustment	1	17
Change in fair value	3	(349)
Total other comprehensive loss	4	(332)
Comprehensive loss	$ (2,920)	$ (3,018)
Basic weighted average number of shares outstanding (in shares)	174,646,196	154,595,511
Diluted weighted average number of shares outstanding (in shares)	174,646,196	154,595,511
Basic loss per common share (in dollars per share)	$ (0.02)	$ (0.02)
Diluted loss per common share (in dollars per share)	$ (0.02)	$ (0.02)