Segment Information - Summary of financial results for reportable segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Sales	$ 66,775	$ 61,318	$ 127,236	$ 122,832
Operating Income (Loss)	5,961	4,201	9,677	8,333
Unallocated
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Sales	0	0	0	0
Operating Income (Loss)	(1,613)	(1,742)	(3,930)	(3,694)
North American Operations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Sales	39,687	32,666	76,170	66,475
North American Operations | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Sales	39,687	32,666	76,170	66,475
Operating Income (Loss)	3,681	1,549	6,878	4,050
North American Operations | Intercompany sales
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Intercompany sales	707	930	1,635	1,679
International Operations | Operating Segments
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Sales	27,088	28,652	51,066	56,357
Operating Income (Loss)	3,893	4,394	6,729	7,977
International Operations | Intercompany sales
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Intercompany sales	$ 4,250	$ 4,412	$ 9,285	$ 9,748