Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Common shares	Treasury Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income / (Loss)	Accumulated Deficit
Balance, beginning of period (in shares) at Jun. 30, 2021		18,399,000
Balance, beginning of period at Jun. 30, 2021	$ 94,749	$ 2	$ 0	$ 194,961	$ (2,398)	$ (97,816)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	21,456					21,456
Foreign currency translation adjustment	(2,281)				(2,281)
Changes in fair value of cash flow hedges	(323)				(323)
Purchase of treasury shares (in shares)		(228,000)
Purchase of treasury shares	(3,406)		(3,406)
Changes in defined benefit plan	440				440
Issue of restricted common shares (in shares)		73,000
Issue of restricted common shares	0
Provision for common stock warrants	970			970
Issue of common shares related to option issuances (in shares)		3,000
Issue of common shares related to option issuances	35			35
Stock based compensation expense	1,818			1,818
Balance, end of period (in shares) at Jun. 30, 2022		18,247,000
Balance, end of period at Jun. 30, 2022	113,459	$ 2	(3,406)	197,785	(4,562)	(76,360)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	31,582					31,582
Foreign currency translation adjustment	(2,234)				(2,234)
Changes in fair value of cash flow hedges	$ 515				515
Purchase of treasury shares (in shares)	(17,558)	(18,000)
Purchase of treasury shares	$ (276)		(276)
Changes in defined benefit plan	$ (31)				(31)
Forfeiture of restricted common shares (in shares)	(72,000)
Provision for common stock warrants	$ 1,090			1,090
Issue of common shares related to option issuances (in shares)		123,000
Issue of common shares related to option issuances	2,053			2,053
Stock based compensation expense	$ 3,806			3,806
Balance, end of period (in shares) at Jun. 30, 2023	18,280,419	18,280,000
Balance, end of period at Jun. 30, 2023	$ 149,964	$ 2	(3,682)	204,734	(6,312)	(44,778)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	33,655					33,655
Foreign currency translation adjustment	(1,623)				(1,623)
Changes in fair value of cash flow hedges	$ (111)				(111)
Purchase of treasury shares (in shares)	(1,322,105)	(1,322,000)
Purchase of treasury shares	$ (21,685)		(21,685)
Changes in defined benefit plan	133				133
Provision for common stock warrants	1,183			1,183
Issue of common shares related to option issuances (in shares)		59,000
Issue of common shares related to option issuances	366			366
Stock based compensation expense	$ 3,917			3,917
Balance, end of period (in shares) at Jun. 30, 2024	17,017,476	17,017,000
Balance, end of period at Jun. 30, 2024	$ 165,799	$ 2	$ (25,367)	$ 210,200	$ (7,913)	$ (11,123)