CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Net revenue	$ 12,971,000	$ 20,625,000	$ 34,593,000	$ 52,933,000
Cost of revenue	10,606,000	11,218,000	24,336,000	26,358,000
Gross profit	2,365,000	9,407,000	10,257,000	26,575,000
Operating expenses
Research and development	6,310,000	4,577,000	11,859,000	9,487,000
Sales and marketing	11,833,000	12,804,000	25,155,000	26,704,000
General and administrative	5,323,000	8,627,000	14,277,000	16,686,000
Impairment of goodwill	14,701,000	0	14,701,000	0
Impairment of intangible assets	4,036,000	0	4,036,000	0
Total operating expenses	42,203,000	26,008,000	70,028,000	52,877,000
Loss from operations	(39,838,000)	(16,601,000)	(59,771,000)	(26,302,000)
Other (expense) income
Interest expense	(2,849,000)	(648,000)	(4,596,000)	(1,313,000)
Interest income	40,000	24,000	57,000	53,000
Foreign currency loss	(46,000)	(60,000)	(115,000)	(130,000)
Loss on extinguishment of debt			(1,114,000)
Other		18,000		18,000
Net loss before income taxes	(42,693,000)	(17,267,000)	(65,539,000)	(27,674,000)
(Benefit) provision for income taxes	(10,000)	0	82,000	0
Net loss	(42,683,000)	(17,267,000)	(65,621,000)	(27,674,000)
Other comprehensive income (loss):
Foreign currency translation adjustments	(185,000)	7,000	(240,000)	18,000
Total other comprehensive (loss) income	(185,000)	7,000	(240,000)	18,000
Total comprehensive loss	$ (42,868,000)	$ (17,260,000)	$ (65,861,000)	$ (27,656,000)
Net loss per share - basic	$ (1.61)	$ (0.67)	$ (2.48)	$ (1.07)
Net loss per share - diluted	$ (1.61)	$ (0.67)	$ (2.48)	$ (1.07)
Weighted-average number of shares used in calculating net loss per share, basic	26,574,027	25,887,313	26,448,257	25,841,944
Weighted-average number of shares used in calculating net loss per share, diluted	26,574,027	25,887,313	26,448,257	25,841,944