Concentration of credit risk (Tables)

9 Months Ended

Mar. 31, 2026

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 March 31,								For the Nine Months Ended March 31,
	2026				2025				2026				2025
Domestic	$	1,587	61	%	$	1,789	51	%	$	4,946	56	%	$	5,218	55	%
Foreign	1,022		39	%	1,685		49	%	3,929		44	%	4,258		45	%
Total	$	2,609	100	%	$	3,474	100	%	$	8,875	100	%	$	9,476	100	%