Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Number Of Major Customers, Concentration Risk	1
Customer 1 [Member] | Accounts Receivable [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage	21.40%	18.80%	4.80%	7.40%
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		17.20%	12.30%	9.40%
Customer 1 [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage	13.20%
Customer 2 [Member] | Accounts Receivable [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Concentration Risk, Percentage			21.40%	18.80%
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		11.60%	10.60%	10.20%
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	57.20%	65.60%
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			43.60%	50.70%
Sales Revenue, Net [Member]
Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Details) [Line Items]
Number Of Major Customers, Concentration Risk		2	2	2