Note 11 - Income Taxes (Details) - Components of Deferred Income Tax Assets and (Liabilities) - USD ($)	Jun. 30, 2015	Jun. 30, 2014
Components of Deferred Income Tax Assets and (Liabilities) [Abstract]
Reserves against current assets	$ 273,000	$ 74,000
Accrued expenses	2,881,000	2,366,000
Goodwill, acquisition costs and intangible assets	255,000	1,171,000
Deferred compensation	791,000	1,051,000
State net operating loss carryover and credits	1,889,000	1,991,000
Foreign net operating loss carryover and credits		4,465,000
Long term capital loss carryforward	4,272,000
U.S. Federal net operating loss carryover and credits	506,000	556,000
Deferred income tax asset before valuation reserve	10,867,000	11,674,000
Valuation reserve	(6,161,000)	(6,450,000)
Deferred income tax asset	4,706,000	5,224,000
Depreciation	(3,241,000)	(3,985,000)
Deferred income tax liability	(3,241,000)	(3,985,000)
Net deferred income tax asset	1,465,000	1,239,000
Deferred income tax asset included in:
Other current assets	3,154,000	2,439,000
Other long-term assets (liability)	$ (1,689,000)	$ (1,200,000)