Revenue Recognition and Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Abstract]
Equipment revenues	$ 19,016	$ 20,045	$ 34,914	$ 40,966
Services	8,189	5,784	15,464	11,148
Total Revenues	27,205	25,829	50,378	52,114
Intrusion and Access alarm products
Disaggregation of Revenue [Abstract]
Equipment revenues	8,235	7,772	15,560	15,786
Door locking devices
Disaggregation of Revenue [Abstract]
Equipment revenues	$ 10,781	$ 12,273	$ 19,354	$ 25,180