Revenue from Contracts with Customers - Disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 61,318	$ 54,054	$ 122,832	$ 103,464
North America
Disaggregation of Revenue [Line Items]
Net sales	32,666	27,106	66,475	53,090
International
Disaggregation of Revenue [Line Items]
Net sales	28,652	26,948	56,357	50,374
United States | North America
Disaggregation of Revenue [Line Items]
Net sales	30,912	25,345	62,932	49,682
Canada & Mexico | North America
Disaggregation of Revenue [Line Items]
Net sales	1,754	1,761	3,543	3,408
Brazil | International
Disaggregation of Revenue [Line Items]
Net sales	18,687	17,493	37,890	32,401
United Kingdom | International
Disaggregation of Revenue [Line Items]
Net sales	4,729	5,554	9,697	10,548
China | International
Disaggregation of Revenue [Line Items]
Net sales	2,244	2,005	3,862	3,586
Australia & New Zealand | International
Disaggregation of Revenue [Line Items]
Net sales	$ 2,992	$ 1,896	$ 4,908	$ 3,839