Concentration of credit risk (Tables)

6 Months Ended

Dec. 31, 2025

Concentration Risk [Line Items]

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

Domestic and international sales from continuing operations are as follows:

(in thousands)	For the Three Months Ended December 31,								For the Six Months Ended December 31,
	2025				2024				2025				2024
Domestic	$	1,727	48.1	%	$	1,699	52.7	%	$	3,360	53.6	%	$	3,445	57.4	%
Foreign	1,864		51.9	%	1,522		47.3	%	2,907		46.4	%	2,557		42.6	%
Total	$	3,591	100.0	%	$	3,221	100.0	%	$	6,267	100.0	%	$	6,002	100.0	%