Note 10 - Commitments (Details Textual)	12 Months Ended
	Jun. 30, 2015 USD ($) ft²	Jun. 30, 2014 USD ($)	Jun. 30, 2013 USD ($)
Simi Valley California [Member]
Area of Real Estate Property | ft²	15,160
Payments for Rent	$ 10,000
Monthly Rent Step-up Percentage	3.00%
Westlake Village California [Member]
Area of Real Estate Property | ft²	5,400
Payments for Rent	$ 10,000
Monthly Rent Step-up Percentage	3.00%
Operating Leases, Rent Expense, Net	$ 402,000	$ 561,000	$ 448,000