CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS
Net sales	$ 12,638	$ 12,160	$ 24,133	$ 25,044
Cost of goods sold	7,740	6,546	14,954	13,101
Gross profit	4,898	5,614	9,179	11,943
Sales and marketing	5,406	4,799	10,224	9,502
General and administrative	5,057	3,529	9,170	7,134
Research and development	2,617	1,881	4,889	3,601
Total operating expenses	13,080	10,209	24,283	20,237
Loss from operations	(8,182)	(4,595)	(15,104)	(8,294)
Interest expense	1,204	1,351	2,419	2,706
Other (income) expense, net		(3,579)		(3,579)
Loss before provision for income taxes	(9,386)	(2,367)	(17,523)	(7,421)
Income tax expense	12	18	24	31
Net loss	$ (9,398)	$ (2,385)	$ (17,547)	$ (7,452)
Net loss per share - basic (in dollar per share)	$ (0.69)	$ (0.23)	$ (1.29)	$ (0.73)
Net loss per share - diluted (in dollar per share)	$ (0.69)	$ (0.23)	$ (1.29)	$ (0.73)
Weighted average common shares outstanding - basic	13,620,196	10,228,296	13,597,243	10,227,240
Weighted average common shares outstanding - diluted	13,620,196	10,228,296	13,597,243	10,227,240