Commitments and Contingencies - Additional Information (Details) - USD ($)	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019	Jul. 01, 2019
Lessee, Lease, Description [Line Items]
Operating lease term	99 years
Annual minimum rent	$ 288,000
Operating Lease Payments	288,000	$ 240,000
Operating lease expense	316,000	315,000	$ 330,000
Operating lease asset	7,373,000	7,395,000		$ 7,700,000
Operating lease liability				7,700,000
Accounting Standards Update 2016-02
Lessee, Lease, Description [Line Items]
Operating lease asset				7,700,000
Operating lease liability				$ 7,700,000
Dominican Republic [Member]
Lessee, Lease, Description [Line Items]
Operating lease asset	7,373,000	$ 7,395,000
Employment Contracts [Member] | Chief executive officer [Member]
Lessee, Lease, Description [Line Items]
Annual salary commitment	$ 838,000
Termination pay commitment rate applied to the average of the prior five calendar years compensation	299.00%
Employment Contracts [Member] | SVP of Engineering
Lessee, Lease, Description [Line Items]
Annual salary commitment	$ 347,000