Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net sales	$ 21,513,000	$ 20,103,000	$ 42,911,000	$ 38,415,000
Cost of goods sold	8,771,000	8,838,000	17,324,000	16,997,000
Gross profit	12,742,000	11,265,000	25,587,000	21,418,000
Operating expenses:
Sales and marketing	13,664,000	10,477,000	29,252,000	22,296,000
Research and development	2,959,000	2,400,000	6,103,000	4,595,000
General and administrative	12,057,000	7,545,000	22,265,000	15,456,000
Total operating expenses	28,680,000	20,422,000	57,620,000	42,347,000
Loss from operations	(15,938,000)	(9,157,000)	(32,033,000)	(20,929,000)
Other income (expense), net:
Interest income	15,000	1,000	17,000	3,000
Interest expense	(2,323,000)	(2,113,000)	(4,220,000)	(4,117,000)
Change in fair value of derivative liability	0	(7,270,000)	0	(50,010,000)
Other income (expense), net	0	0	5,000	(97,000)
Total other income (expense), net	(2,308,000)	(9,382,000)	(4,198,000)	(54,221,000)
Loss from continuing operations before income taxes	(18,246,000)	(18,539,000)	(36,231,000)	(75,150,000)
Income tax expense	0	0	0	0
Loss from continuing operations	(18,246,000)	(18,539,000)	(36,231,000)	(75,150,000)
Income (loss) from discontinued operations, net of income taxes	(58,000)	(1,595,000)	(114,000)	326,000
Net loss	$ (18,304,000)	$ (20,134,000)	$ (36,345,000)	$ (74,824,000)
Earnings Per Share [Abstract]
Continuing operations, Basic	$ (0.29)	$ (0.32)	$ (0.58)	$ (1.34)
Continuing operations, Diluted	(0.29)	(0.32)	(0.58)	(1.34)
Discontinued operations, Basic	(0.00)	(0.03)	(0.00)	(0.00)
Discontinued operations, Diluted	(0.00)	(0.03)	(0.00)	(0.00)
Basic net loss per share	(0.29)	(0.35)	(0.58)	(1.34)
Diluted net loss per share	$ (0.29)	$ (0.35)	$ (0.58)	$ (1.34)
Weighted average outstanding common shares used for net income (loss) per share attributable to common stockholders:
Weighted Average Number of Shares Outstanding, Basic	62,649,540	57,647,883	62,493,559	56,003,274
Weighted Average Number of Shares Outstanding, Diluted	62,649,540	57,647,883	62,493,559	56,003,274