Leases (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 28, 2021	Mar. 29, 2020	Mar. 28, 2021	Mar. 29, 2020
Leases [Abstract]
Operating lease, existence of option to extend			true
Operating lease, renewal Term	5 years		5 years
Operating lease, expiration term			2023-10
Operating lease expense	$ 119,000	$ 116,000	$ 354,000	$ 345,000