CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Income Statement [Abstract]
Revenues, net	$ 493	$ 485
Cost of sales	155	172
Gross profit	338	313
Operating expenses:
Research and development	422	418
Selling, general and administrative	2,035	1,558
Total operating expenses	2,457	1,976
Loss from operations	(2,119)	(1,663)
Interest income (expense):
Interest income	60	3
Interest expense	(4)	(5)
Interest income (expense), net	56	(2)
Net loss	(2,063)	(1,665)
Comprehensive loss	$ (2,063)	$ (1,665)
Weighted average shares outstanding - basic (in shares)	5,263,717	1,299,971
Weighted average shares outstanding - diluted (in shares)	5,263,717	1,299,971
Net loss per share - basic (in dollars per share)	$ (0.39)	$ (1.28)
Net loss per share - diluted (in dollars per share)	$ (0.39)	$ (1.28)