Commitments and Contingencies - Additional Information (Details) - USD ($)		3 Months Ended
	Jul. 01, 2019	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020
Lessee, Lease, Description [Line Items]
Lease, Practical Expedients, Package [true false]	true
Operating lease right of use asset	$ 7,700,000	$ 7,390,000		$ 7,395,000
Operating lease liability	7,700,000
Operating Lease Payments		72,000	$ 96,000
Accounting Standards Update 2016-02 [Member]
Lessee, Lease, Description [Line Items]
Operating lease right of use asset	7,700,000
Operating lease liability	$ 7,700,000
Employment Agreements [Member] | Chief executive officer [Member]
Lessee, Lease, Description [Line Items]
Annual salary commitment		$ 752,000
Termination pay commitment rate applied to the average of the prior five calendar years compensation		299.00%
Employment Agreements [Member] | Senior Vice President of Engineering [Member]
Lessee, Lease, Description [Line Items]
Annual salary commitment		$ 333,798
Employment and Severance Agreements [Member] | Senior Vice President of Engineering [Member]
Lessee, Lease, Description [Line Items]
Expiration Year		2022
Land lease in Dominican Republic expiring 2092 [Member]
Lessee, Lease, Description [Line Items]
Expiration Year		2092
Annual minimum rent		$ 288,000
Lessee, Operating Lease, Term of Contract		99 years
Leased property and equipment, excluding foreign land [Member]
Lessee, Lease, Description [Line Items]
Operating lease expense		$ 79,000	$ 83,000