Revenue Recognition and Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Disaggregation of Revenue [Abstract]
Equipment revenues	$ 20,045	$ 20,685	$ 40,966	$ 40,275
Services	5,784	4,144	11,148	7,930
Total Revenues	25,829	24,829	52,114	48,205
Intrusion and Access alarm products [Member]
Disaggregation of Revenue [Abstract]
Equipment revenues	7,772	7,724	15,786	14,815
Door locking devices [Member]
Disaggregation of Revenue [Abstract]
Equipment revenues	$ 12,273	$ 12,961	$ 25,180	$ 25,460