Condensed Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Revenues	$ 12,967	$ 14,114	$ 23,902	$ 25,952
Cost of goods sold	5,322	5,382	10,844	10,387
Gross profit	7,645	8,732	13,058	15,565
Operating expenses
Sales and marketing	9,691	8,497	19,164	14,964
General and administrative	1,579	10,125	6,564	14,128
Research and development	1,274	1,673	2,529	2,824
Total operating expenses	12,544	20,295	28,257	31,916
Loss from operations	(4,899)	(11,563)	(15,199)	(16,351)
Interest income	19		28
Interest expense (includes $nil million and $1.5 million to related parties in three months ended June 30, 2022 and 2021, respectively and $nil million and $2.9 million to related parties in six months ended June 30, 2022 and 2021)	(703)	(3,601)	(1,335)	(7,052)
Change in fair value of derivative liabilities		(2,019)		(8,140)
Gain on extinguishment of PPP loan		3,036		3,036
Other income (expense), net	(30)	48	(32)	(540)
Net loss before income taxes	(5,613)	(14,099)	(16,538)	(29,047)
Income tax benefit (expense)	0		0
Net Loss	$ (5,613)	$ (14,099)	$ (16,538)	$ (29,047)
Net loss per share attributable to common stockholders, basic	$ (0.20)	$ (5.48)	$ (0.58)	$ (15.49)
Net loss per share attributable to common stockholders, diluted	$ (0.20)	$ (5.48)	$ (0.58)	$ (15.49)
Weighted-average shares used in computing net loss per share, basic and diluted	28,550,489	2,573,705	28,515,808	1,875,691