Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Condensed Consolidated Statements of Operations and Comprehensive Loss [Abstract]
Net sales	$ 2,367	$ 2,412	$ 6,418	$ 6,313
Cost of goods sold	711	1,031	2,097	2,718
Gross profit	1,656	1,381	4,321	3,595
Operating expenses:
Selling, general and administrative	2,702	3,428	10,544	13,582
Research and development	486	1,117	2,378	4,050
Total operating expenses	3,188	4,545	12,922	17,632
Loss from operations	(1,532)	(3,164)	(8,601)	(14,037)
Other income (expense), net	8	(204)	(87)	98
Financing Expense	0	0	(5,607)	0
Change in fair value of warrant liability	3,882	0	4,602	(755)
Income (loss) before income taxes	2,358	(3,368)	(9,693)	(14,694)
Income tax expense	0	(2)	(4)	(6)
Net income (loss)	2,358	(3,370)	(9,697)	(14,700)
Deemed dividend attributable to Series J Convertible Preferred Stock	0	0	541	0
Net income (loss) attributable to common shareholders	$ 2,358	$ (3,370)	$ (9,156)	$ (14,700)
Basic net income (loss) per share (in dollars per share)	$ 1.74	$ (63.27)	$ (14.99)	$ (357.42)
Diluted net income (loss) per share (in dollars per share)	$ 1.74	$ (63.27)	$ (14.99)	$ (357.42)
Weighted average shares outstanding - basic (in shares)	1,351,939	53,265	647,079	41,128
Weighted average shares outstanding - diluted (in shares)	1,351,939	53,265	647,079	41,128
Other comprehensive loss:
Foreign currency translation adjustments	$ (4)	$ 0	$ (15)	$ (6)
Total comprehensive income (loss)	$ 2,354	$ (3,370)	$ (9,171)	$ (14,706)