Commitments and Contingencies - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019	Jul. 01, 2019
Lessee, Lease, Description [Line Items]
Operating lease right of use asset	$ 7,401,000		$ 7,401,000
Operating Lease Payments	72,000		240,000
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 and Severance Agreements [Member] | Chief executive officer [Member]
Lessee, Lease, Description [Line Items]
Annual salary commitment			$ 806,000
Termination pay commitment rate applied to the average of the prior five calendar years compensation			299.00%
Employment and Severance Agreements [Member] | Senior Vice President of Engineering [Member]
Lessee, Lease, Description [Line Items]
Expiration Year			2022
Annual salary commitment			$ 334,000
Land lease in Dominican Republic expiring 2092 [Member]
Lessee, Lease, Description [Line Items]
Expiration Year			2092
Annual minimum rent	$ 288,000		$ 288,000
Lessee, Operating Lease, Term of Contract	99 years		99 years
Leased property and equipment, excluding foreign land [Member]
Lessee, Lease, Description [Line Items]
Operating lease expense	$ 79,000	$ 84,000	$ 237,000	$ 250,000