Note 3 - Concentration of Credit Risk, Other Concentration Risks and Significant Customers (Detail)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Concentration Risk, Percentage				43.40%
Number Of Major Customers, Concentration Risk	1	1	1	1
Customer 1 [Member]
Entity-Wide Revenue, Major Customer, Percentage	17.80%	11.60%	9.80%	11.10%
Entity-Wide Net Accounts Receivable, Major Customer, Percentage	21.90%	10.10%	21.90%	10.10%
Sales Outside North America As Percent of Net Revenues [Member]
Concentration Risk, Percentage	52.30%	40.90%	44.30%