Note 11 - Income Taxes (Details) - Components of Deferred Income Tax Assets and (Liabilities) (USD $)	Jun. 30, 2014	Jun. 30, 2013
Components of Deferred Income Tax Assets and (Liabilities) [Abstract]
Reserves against current assets	$ 74,000	$ 370,000
Accrued expenses	2,366,000	1,686,000
Goodwill, acquisition costs and intangible assets	1,171,000	1,646,000
Deferred compensation	1,051,000	999,000
State net operating loss carryover and credits	1,991,000	1,991,000
Foreign net operating loss carryover and credits	4,465,000	4,256,000
U.S. Federal net operating loss carryover and credits	556,000	606,000
Deferred income tax asset before valuation reserve	11,674,000	11,554,000
Valuation reserve	(6,450,000)	(5,750,000)
Deferred income tax asset	5,224,000	5,804,000
Depreciation	(3,985,000)	(3,709,000)
Deferred income tax liability	(3,985,000)	(3,709,000)
Net deferred income tax asset	1,239,000	2,095,000
Other current assets	2,439,000	2,056,000
Other long-term assets (liability)	$ (1,200,000)	$ 39,000