Revenue Recognition and Contracts with Customers - Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Revenue:
Revenues	$ 35,905	$ 28,228	$ 100,364	$ 78,606
Intrusion and access alarm products
Revenue:
Revenues	12,667	8,956	33,230	24,517
Door locking devices
Revenue:
Revenues	11,206	10,379	33,850	29,732
Services
Revenue:
Revenues	$ 12,032	$ 8,893	$ 33,284	$ 24,357