Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Revenues	$ 21,496	$ 16,692
Operating costs and expenses:
Cost of goods sold - product revenue	10,423	7,478
General and administrative	8,750	10,873
Sales and marketing	1,734	1,733
Research and development	24	3,378
Total operating costs and expenses	20,931	23,462
Income (loss) from operations	565	(6,770)
Other income (expense):
Interest expense	(34)	(134)
Change in fair value of derivative liabilities	3,545	(300)
Gain on debt extinguishment	1,060	0
Other income	14	17
Total other income (loss)	4,585	(417)
Income (loss) before income taxes	5,150	(7,187)
Income tax expense	(342)	0
Net income (loss)	$ 4,808	$ (7,187)
Net earnings (loss) per share
Basic (in dollars per share)	$ 0.02	$ (0.04)
Diluted (in dollars per share)	$ 0.01	$ (0.04)
Weighted average number of common shares outstanding
Basic (in shares)	203,589,531	189,844,867
Diluted (in shares)	237,686,875	189,844,867
Product [Member]
Revenues:
Revenues	$ 21,496	$ 16,692