Condensed Consolidated Statements Shareholders' Equity - USD ($) $ in Thousands	Total	Common Shares [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Loss) [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning Balance at Jun. 30, 2021	$ 20,810	$ 3,463	$ 10,700	$ 6,809	$ (162)
Beginning Balance,Shares at Jun. 30, 2021		6,924,000
Net earnings (loss)	1,939	$ 0	0	1,939	0
Ending Balance at Sep. 30, 2021	22,749	$ 3,463	10,700	8,748	(162)
Ending Balance, Shares at Sep. 30, 2021		6,924,000
Beginning Balance at Jun. 30, 2021	20,810	$ 3,463	10,700	6,809	(162)
Beginning Balance,Shares at Jun. 30, 2021		6,924,000
Net earnings (loss)	356
Ending Balance at Mar. 31, 2022	21,217	$ 3,478	10,736	7,165	(162)
Ending Balance, Shares at Mar. 31, 2022		6,954,000
Beginning Balance at Sep. 30, 2021	22,749	$ 3,463	10,700	8,748	(162)
Beginning Balance,Shares at Sep. 30, 2021		6,924,000
Share options exercised	51	$ 15	36	0	0
Share options exercised, Shares		30,000
Net earnings (loss)	(593)			(593)	0
Ending Balance at Dec. 31, 2021	22,207	$ 3,478	10,736	8,155	(162)
Ending Balance, Shares at Dec. 31, 2021		6,954,000
Net earnings (loss)	(990)	$ 0	0	(990)	0
Ending Balance at Mar. 31, 2022	21,217	$ 3,478	10,736	7,165	(162)
Ending Balance, Shares at Mar. 31, 2022		6,954,000
Beginning Balance at Jun. 30, 2022	$ 19,120	$ 3,478	10,736	4,800	106
Beginning Balance,Shares at Jun. 30, 2022	6,954,000	6,954,000
Share options exercised	$ 48	$ 38	10	0	0
Share options exercised, Shares		78,000
Net earnings (loss)	(1,558)	$ 0	0	(1,558)	0
Ending Balance at Sep. 30, 2022	17,610	$ 3,516	10,746	3,242	106
Ending Balance, Shares at Sep. 30, 2022		7,032,000
Beginning Balance at Jun. 30, 2022	$ 19,120	$ 3,478	10,736	4,800	106
Beginning Balance,Shares at Jun. 30, 2022	6,954,000	6,954,000
Net earnings (loss)	$ (369)
Ending Balance at Mar. 31, 2023	$ 18,799	$ 3,516	10,746	4,431	106
Ending Balance, Shares at Mar. 31, 2023	7,032,000	7,032,000
Beginning Balance at Sep. 30, 2022	$ 17,610	$ 3,516	10,746	3,242	106
Beginning Balance,Shares at Sep. 30, 2022		7,032,000
Net earnings (loss)	1,951	$ 0	0	1,951	0
Ending Balance at Dec. 31, 2022	$ 19,561	$ 3,516	10,746	5,193	106
Ending Balance, Shares at Dec. 31, 2022		7,032,000
Share options exercised, Shares	77,452
Net earnings (loss)	$ (762)	$ 0	0	(762)	0
Ending Balance at Mar. 31, 2023	$ 18,799	$ 3,516	$ 10,746	$ 4,431	$ 106
Ending Balance, Shares at Mar. 31, 2023	7,032,000	7,032,000