INCOME TAXES (Details Textual)	12 Months Ended
	Jun. 30, 2017 USD ($)
Research Tax Credit Carryforward [Member]
Tax Credit Carryforward, Amount	$ 340,000
Domestic Tax Authority [Member]
Net operating loss carryforwards	$ 54,600,000
Operating Loss Carry forward Expiration Period	June 30, 2018 and 2037
Deferred Tax Assets, Other Tax Carryforwards	$ 0
Operating Loss Carryforwards, Estimated Limitations Due to Ownership Change	$ 44,500,000
Domestic Tax Authority [Member] | Research Tax Credit Carryforward [Member]
Federal Research And Development Tax Credit Carry forwards Expiration Dates	through June 30, 2036
Wisconsin [Member]
Operating Loss Carry forward Expiration Period	between June 30, 2018 and 2032
State and Local Jurisdiction [Member]
Net operating loss carryforwards	$ 57,100,000
Deferred Tax Assets, Operating Loss Carryforwards, Estimated Limitation Due to Ownership Change	28,200,000
Foreign Tax Authority [Member]
Net operating loss carryforwards	$ 4,400,000
Operating Loss Carry forward Expiration Period	0