Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details)	3 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Number Of Major Customers, Concentration Risk	1	2
Customer 1 [Member] | Sales Revenue, Net [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage	14.80%	13.60%
Customer 1 [Member] | Accounts Receivable [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage	5.70%	16.10%
Customer 2 [Member] | Sales Revenue, Net [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage		10.30%
Customer 2 [Member] | Accounts Receivable [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage		12.10%
Sales Outside North America As Percent of Net Revenues [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage	38.80%	36.50%