Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenues		$ 5,798	$ 10,930
Cost of revenues (including depreciation of $6 and $14 in the three months ended March 31, 2024 and 2023, respectively)		1,988	3,282
Gross profit		3,810	7,648
Operating expenses:
Selling and marketing		2,614	3,554
Research and development		3,989	5,868
General and administrative		2,756	3,475
Depreciation and amortization		1,908	1,686
Goodwill impairment		23,989	0
Total operating expenses		35,256	14,583
Operating loss		(31,446)	(6,935)
Other income (expense):
Change in fair value of warrant and derivative liabilities		185	2,984
Loss on derecognition of debt		0	(627)
Interest income (expense), net		74	(2,260)
Other income (expense), net		219	(40)
Loss before provision for income taxes		(30,968)	(6,878)
Provision for income tax expense		39	9
Net loss		$ (31,007)	$ (6,887)
Loss per share:
Basic (in dollars per share)	[1]	$ (3.28)	$ (0.97)
Diluted (in dollars per share)	[1]	$ (3.28)	$ (0.97)
Weighted average shares outstanding:
Basic (in shares)	[1]	9,466	7,121
Diluted (in shares)	[1]	9,466	7,121

[1] *After giving effect to the Reverse Stock Split.