Note 1 - Operations and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	March 31,		December 31,
(in thousands)	2025		2024
Cash	$	37	$	111
Restricted cash		150		150
Total cash and restricted cash	$	187	$	261

Disaggregation of Revenue [Table Text Block]

	Three Months Ended
(in thousands)	March 31, 2025		March 31, 2024
Domestic	$	8,243	$	7,786
International		3,460		2,660
Total Revenue	$	11,703	$	10,446

Schedule of Property, Plant and Equipment Estimated Useful Life [Table Text Block]

Buildings and improvements (years)	5 - 40
Machinery and equipment (years)	5 - 20
Tooling (years)	3 - 5