Note 11 - Customer and Geographic Information (Detail) - Schedule of Revenue by Major Customers	3 Months Ended			6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Customer A [Member]
Revenue Percentage	39.00%		23.00%	42.00%	22.00%
Customer B [Member]
Revenue Percentage	20.00%		18.00%	20.00%	18.00%
Customer C [Member]
Revenue Percentage	12.00%		15.00%	12.00%	16.00%
Customer D [Member]
Revenue Percentage		[1]			10.00%

[1] represents less than 10%