Note 1 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2026

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Three months ended March 31,
	2026		2025		2026			2025
					(percent of revenues)
System revenue	$	1,736,561	$	1,561,903		44.4	%		44.2	%
Maintenance revenue		1,541,403		1,509,782		39.3	%		42.7	%
Service and other revenue		636,375		464,248		16.3	%		13.1	%
Total revenues	$	3,914,339	$	3,535,933		100.0	%		100.0	%

Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Customer, Extent of Reliance [Table Text Block]

	For the Three months ended March 31,
	2026						2025
	% Revenues			% AR			% Revenues			% AR
Major		41.8	%		52.7	%		33.0	%		27.7	%
All Others		58.2	%		47.3	%		67.0	%		72.3	%
Total		100.0	%		100.0	%		100.0	%		100.0	%