Note 13 - Other Financial Statement Information (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	September 30, 2025			December 31, 2024
Raw materials	$	339		$	302
Work in process		8			5
Finished goods		1			31
Total gross inventory		348			338
Reserve for excess and obsolete inventory		(80	)		(71	)
Inventories, net	$	268		$	267

Schedule of Finite-Lived Intangible Assets [Table Text Block]

	September 30, 2025			December 31, 2024
Intellectual property	$	214		$	214
Gross intangible assets		214			214
Less: Accumulated amortization		(194	)		(178	)
Intangible assets, net	$	20		$	36