Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenue:
Product sales, net of discounts and refunds	$ 2,066	$ 163	$ 3,447	$ 366
Consulting research & development income	25	100	52	169
Shipping and other sales	18	6	56	14
Total revenues	2,109	269	3,555	549
Cost of goods sold:
Cost of goods sold	797	100	1,214	201
Gross profit	1,312	169	2,341	348
Operating expenses:
Research and development expenses	699	735	1,343	1,540
Selling, general and administrative expenses	4,772	2,511	10,316	4,635
Change in fair value of contingent stock consideration	(894)	10,390	(1,555)	5,658
Total operating expenses	4,577	13,636	10,104	11,833
Net operating loss before other income (expense)	(3,265)	(13,467)	(7,763)	(11,485)
Other income (expense):
Interest income	1	5	2	20
Gain from settlement	2,434	26	2,434	26
Gain on extinguishment of debt	335	0	734	0
Loss on sale of property, plant and equipment	0	0	(41)	0
Change in fair value of derivative liability	0	12	0	75
Change in fair value of convertible promissory notes	(692)	0	340	0
Interest expense	(134)	(15)	(199)	(28)
Total other income (expense)	1,944	28	3,270	93
Net loss before income taxes	(1,321)	(13,439)	(4,493)	(11,392)
Provision for income taxes	0	0	0	0
Net loss	$ (1,321)	$ (13,439)	$ (4,493)	$ (11,392)
Net loss per share
Basic	$ (0.02)	$ (0.32)	$ (0.07)	$ (0.29)
Diluted	$ (0.02)	$ (0.32)	$ (0.07)	$ (0.29)
Weighted average common shares outstanding
Basic	59,842,904	41,716,558	60,467,860	39,867,063
Diluted	59,842,904	41,716,558	60,467,860	39,867,063