Note 3 - Business Combinations (Details Textual) - USD ($)		3 Months Ended		12 Months Ended
	May. 01, 2015	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015
Radio Pulse [Member]
Payments to Acquire Businesses, Gross	$ 14,700,000
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	6,000,000
Business Acquisition, Transaction Costs	241,000
Employee Service Share-based Compensation, Cash Flow Effect, Cash Used to Settle Awards	249,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		$ 1,300,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual		(1,200,000)
Goodwill, Acquired During Period	$ 15,400,000
Other Acquisition [Member]
Payments to Acquire Businesses, Net of Cash Acquired			$ 2,300,000
Cash Acquired from Acquisition			204,000
Goodwill, Acquired During Period			2,800,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt			723,000
Goodwill, Translation Adjustments				$ (520,000)
Payments to Acquire Businesses, Net of Cash Acquired		$ 14,571,000	$ 2,297,000