Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Total revenue	$ 55,146	$ 42,031
Total cost of sales	22,074	23,942
Gross profit	33,072	18,089
Operating expenses:
Research and development	12,628	10,896
General and administrative	10,949	10,773
Sales and marketing	4,460	3,983
Total operating expenses	28,037	25,652
Income (loss) from operations	5,035	(7,563)
Interest expense	(547)	(665)
Other expense, net	(141)	(24)
Net income (loss) before income taxes	4,347	(8,252)
Income tax expense	(4)	(260)
Net income (loss) and comprehensive income (loss)	$ 4,343	$ (8,512)
Net income (loss) per share attributable to common share, basic	$ 0.22	$ (0.45)
Net income (loss) per common share, diluted	$ 0.22	$ (0.45)
Weighted average common shares used to compute net income (loss) per common share attributable to common stockholders, basic	19,400,124	18,782,287
Weighted average common shares used to compute net income (loss) per common share attributable to common stockholders, diluted	19,972,145	18,782,287
Product sales
Total revenue	$ 43,931	$ 39,848
Total cost of sales	21,045	23,746
Product Non Affiliate Member
Total revenue	43,931	39,848
Licensing, royalty, patent and other revenue
Total revenue	11,215	2,183
Total cost of sales	$ 1,029	$ 196