STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Statement [Abstract]
Total revenues	$ 2,221	$ 1,857
Cost of sales	833	853
Gross profit	1,388	1,004
Operating expenses:
Research and development	1,698	1,712
Selling, general and administrative	6,195	5,541
Total operating expenses	7,893	7,253
Loss from operations	(6,505)	(6,249)
Other income (expense):
Interest income	144	56
Interest expense	(22)	(22)
Miscellaneous income	0	31
Other income, net	122	65
Net loss	(6,383)	(6,184)
Comprehensive loss	$ (6,383)	$ (6,184)
Weighted average shares outstanding - basic (in shares)	3,275,983	697,974
Weighted average shares outstanding - diluted (in shares)	3,275,983	697,974
Loss per share - basic (in dollars per share)	$ (1.95)	$ (8.86)
Loss per share - diluted (in dollars per share)	$ (1.95)	$ (8.86)