Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statements of Operations and Comprehensive Loss
Revenues, net	$ 5,503	$ 2,126	$ 9,316	$ 3,887
Cost of product revenues	2,307	2,231	4,310	3,758
Gross profit	3,196	(105)	5,006	129
Operating expenses:
Research and development	703	856	1,466	2,113
Selling and marketing	4,570	7,411	9,240	17,964
General and administrative	3,049	3,026	6,133	7,023
Total operating expenses	8,322	11,293	16,839	27,100
Loss from operations	(5,126)	(11,398)	(11,833)	(26,971)
Other income (expense)
Interest income	15	2	48	3
Interest expense	(372)	(823)	(773)	(1,695)
Unrealized gain on warrant liability	1,674	7,051	3,361	8,435
Total other income, net	1,317	6,230	2,636	6,743
Loss before benefit from income taxes	(3,809)	(5,168)	(9,197)	(20,228)
Benefit from income taxes				4,675
Net loss and comprehensive loss	$ (3,809)	$ (5,168)	$ (9,197)	$ (15,553)
Net loss per share (basic) (in dollars per share)	$ (2.15)	$ (57.29)	$ (6.85)	$ (203.76)
Net loss per share (diluted) (in dollars per share)	$ (2.15)	$ (57.29)	$ (6.85)	$ (203.76)
Weighted-average common shares (basic) (in shares)	1,769,803	90,204	1,343,293	76,331
Weighted-average common shares (diluted) (in shares)	1,769,803	90,204	1,343,293	76,331