SEGMENT AND GEOGRAPHIC INFORMATION Schedule of Revenue by Major Customers by Reporting Segments (Details)	3 Months Ended				9 Months Ended
	Jun. 30, 2012		Jun. 30, 2011		Jun. 30, 2012		Jun. 30, 2011
Revenue from External Customer [Line Items]
Number of Operating Segments					1
Major Customers, Nu Horizons Electronics | Customer Concentration Risk [Member] | Sales
Revenue from External Customer [Line Items]
Concentration Risk, Percentage	10.70%	[1]	20.60%	[1]	14.30%	[1]	20.20%	[1]
Major Customers, WPG | Customer Concentration Risk [Member] | Sales
Revenue from External Customer [Line Items]
Concentration Risk, Percentage	13.90%	[1]			12.80%	[1]
Major Customers, Huawei | Customer Concentration Risk [Member] | Sales
Revenue from External Customer [Line Items]
Concentration Risk, Percentage							10.10%

[1] Distributor