Revenue from Contracts with Customers - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 60,636	$ 60,461
North America
Disaggregation of Revenue [Line Items]
Net sales	34,535	36,484
International
Disaggregation of Revenue [Line Items]
Net sales	26,101	23,977
United States | North America
Disaggregation of Revenue [Line Items]
Net sales	32,777	34,272
Canada & Mexico | North America
Disaggregation of Revenue [Line Items]
Net sales	1,758	2,212
Brazil | International
Disaggregation of Revenue [Line Items]
Net sales	19,430	17,248
United Kingdom | International
Disaggregation of Revenue [Line Items]
Net sales	3,535	3,201
China | International
Disaggregation of Revenue [Line Items]
Net sales	1,456	1,686
Australia & New Zealand | International
Disaggregation of Revenue [Line Items]
Net sales	$ 1,680	$ 1,842