Note 8 - Income Tax (Details) (USD $)	3 Months Ended			9 Months Ended		3 Months Ended			9 Months Ended	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2012	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013 Foreign Tax Authority [Member] United Kingdom [Member]	Dec. 31, 2013 Foreign Tax Authority [Member] CHINA	Mar. 31, 2013 Foreign Tax Authority [Member] AUSTRALIA	Mar. 31, 2014 CHINA	Mar. 31, 2014 Impact of Return to Provision Adjustments [Member]	Mar. 31, 2013 Reduction in Effective State Tax Rate [Member]	Mar. 31, 2013 Changed Position on Prior Returns [Member]	Mar. 31, 2013 Other Discrete Taxes [Member]
Note 8 - Income Tax (Details) [Line Items]
Income Tax Expense (Benefit)	$ 985,000	$ 249,000		$ 2,773,000	$ 507,000
Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest	2,667,000	(1,236,000)		6,453,000	(853,000)
Effective Income Tax Rate Reconciliation, Percent	36.90%	20.10%		43.00%	59.40%
Other Tax Expense (Benefit)							(67,000)	178,000		(109,000)	675,000	(414,000)	66,000
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount						278,000
Unrecognized Tax Benefits, Period Increase (Decrease)			(91,000)
Valuation Allowance, Deferred Tax Asset, Change in Amount									$ (67,000)