Property and Equipment (Details) - USD ($)	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 34,806,000	$ 32,607,000
Accumulated depreciation and amortization	(29,561,000)	(28,638,000)
Property, Plant and Equipment, Net, Total	5,245,230	3,969,163	$ 2,242,000
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,353,000	9,071,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	21,602,000	19,863,000
Furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	976,000	970,000
Computer equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 2,875,000	$ 2,703,000