Income Taxes (Detail Textuals) - USD ($)	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Income Tax Disclosure [Abstract]
Income (loss) before income taxes	$ (13,459,000)	$ (15,887,000)
Effective income tax rate	0.00%
Current state tax expense	$ 4,000	(527,000)
Unrecognized tax benefits	$ 0	$ 76,000	$ 72,000
Federal statutory effective tax rate	34.00%	34.00%
Valuation allowance	$ 18,000,000
Change in valuation allowance	6,100,000	$ (4,100,000)
Net losses carryforwards used for Federal income tax purposes	22,700,000
Federal income tax effected	7,700,000
Accumulated state net operating loss carryforwards	17,000,000
State income tax effected	700,000
Temporary credit loss carryovers	500,000
Temporary credit tax effected	300,000
Temporary credit offset	13,000
Alternative minimum tax carryforwards	900,000
Uncertain tax benefit reserve	$ 0	100,000
Interest or penalty for uncertain tax position liability		$ 4,000