Revenue Recognition and Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Abstract]
Equipment revenues	$ 15,898	$ 20,921
Services	7,275	5,364
Total Revenues	23,173	26,285
Intrusion and Access alarm products
Disaggregation of Revenue [Abstract]
Equipment revenues	7,325	8,014
Door locking devices
Disaggregation of Revenue [Abstract]
Equipment revenues	$ 8,573	$ 12,907