Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jul. 01, 2019
Other Assets
Lessee, Lease, Description [Line Items]
Other assets	$ 427	$ 441
Other Liabilities
Lessee, Lease, Description [Line Items]
Total operating lease liabilities	427	$ 463
Other Current Liabilities
Lessee, Lease, Description [Line Items]
Accrued expenses	412
Other Noncurrent Liabilities
Lessee, Lease, Description [Line Items]
Other liabilities	$ 15