CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Revenue, net	$ 31,702	$ 34,628
Cost of sales	19,860	29,959
Gross profit	11,842	4,669
Operating expenses:
Selling and marketing	17,097	28,697
General and administrative	17,353	24,794
Research and development	6,758	10,443
Total operating expenses	41,208	63,934
Operating loss	(29,366)	(59,265)
Interest expense	(5,471)	(6,456)
Other income	1,297	3,260
Total interest expense and other income	(4,174)	(3,196)
Loss before income tax expense	(33,540)	(62,461)
Income tax expense	(2)	(2)
Loss from continuing operations, net of tax	(33,542)	(62,463)
Income from discontinued opertions, net of tax	5,509	1,544
Net loss	(28,033)	(60,919)
Other comprehensive loss (net of tax):
Unrealized (loss) gain on short-term investments	(10)	72
Comprehensive loss	$ (28,043)	$ (60,847)
Net loss per share from continuing operations - basic	$ (70.63)	$ (132.92)
Net loss per share from continuing operations - diluted	(70.63)	(132.92)
Net income per share from discontinued operations - basic	11.6	3.29
Net income per share from discontinued operations - diluted	11.6	3.29
Net loss per share - basic	(59.03)	(129.63)
Net loss per share - diluted	$ (59.03)	$ (129.63)
Weighted-average shares outstanding - basic	474,856	469,943
Weighted-average shares outstanding - diluted	474,856	469,943