Income Taxes (Schedule of Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Taxes [Abstract]
Benefit of net operating losses	$ 9,268	$ 8,582	$ 7,149
Tax credit carry-forwards	5,451	5,006	4,928
Deferred Revenue	1,434	1,665	1,351
Impaired Investment	1,060	1,012	1,012
Property and intangible assets	242
Other	3,029	574	411
Deferred tax asset	20,484	16,839	14,851
Valuation allowance	(19,453)	(3,104)	(3,103)
Total deferred tax assets	1,031	13,735	11,748
Deferred tax liabilities - basis difference and amortization	(1,631)	(1,798)
Net deferred tax liabilities	$ (600)
Net deferred tax assets		$ 11,937	$ 11,748