Note 11 - Income Taxes (Detail) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Deferred Tax Assets, Valuation Allowance	$ 5,009,000	$ 4,200,000
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	3,827,000	3,286,000
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	234,000	74,000	37,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	429,000	452,000
Unrecognized Tax Benefits	1,941,000	1,999,000
Unrecognized Tax Benefits, Income Tax Penalties Accrued	278,000	305,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	1,663,000	1,694,000
Unrecognized Tax Benefits, Period Increase (Decrease)	9,000	421,000	216,000
New York State [Member]
Deferred Tax Assets, Tax Credit Carryforwards, General Business	1,715,000	1,768,000
Deferred Tax Assets, Valuation Allowance	919,000	824,000
Deferred State and Local Income Tax Expense (Benefit)	95,000
Domestic Tax Authority [Member]
Deferred State and Local Income Tax Expense (Benefit)		0	0
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	1,234,000	1,241,000
Tennessee [Member]
Deferred State and Local Income Tax Expense (Benefit)	0	11,000	(59,000)
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	90,000
Oregon [Member]
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	173,000
Canada [Member]
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	$ 3,827,000	$ 3,286,000