CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Income Statement [Abstract]
Net sales	$ 826	$ 1,196	$ 2,585	$ 3,582
Cost of sales	679	1,008	2,097	3,148
Gross profit	147	188	488	434
Operating expenses:
Product development	82	137	206	405
Selling, general, and administrative	240	449	949	1,583
Total operating expenses	322	586	1,155	1,988
Loss from operations	(175)	(398)	(667)	(1,554)
Other expenses (income):
Interest expense	0	0	0	5
Interest income	0	0	(1)	0
Gain on debt extinguishment	0	0	0	(187)
Gain on partial lease termination	0	(63)	0	(63)
Gain on disposal of fixed assets	(3)	0	(3)	0
Other income	0	(26)	0	(30)
Other expenses	0	7	8	9
Net loss	$ (172)	$ (316)	$ (671)	$ (1,288)
Net loss per common share - basic and diluted
Net loss, basic (in dollars per share)	$ (0.03)	$ (0.06)	$ (0.12)	$ (0.27)
Net loss, diluted (in dollars per share)	$ (0.03)	$ (0.06)	$ (0.12)	$ (0.27)
Weighted average shares of common stock outstanding:
Basic (in shares)	5,610	5,261	5,420	4,840
Diluted (in shares)	5,610	5,261	5,420	4,840

Earnings Per Share, Basic and Diluted EPS

No definition available.

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.