DETAILS OF CERTAIN FINANCIAL STATEMENT COMPONENTS Schedule of Property, Plant and Equipment (Details) (USD $)	12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 70,970,000	$ 90,773,000
Less: Accumulated depreciation	(68,112,000)	(87,666,000)
Total	2,858,000	3,107,000
Depreciation expense	1,700,000	2,000,000	2,600,000
Cost of property, plant and equipment disposed of	21,100,000	3,800,000
Accumulated depreciation of property, plant and equipment disposed of	21,000,000	3,700,000
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	61,236,000	77,865,000
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	505,000	704,000
Computer equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	7,356,000	8,736,000
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,829,000	3,163,000
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 44,000	$ 305,000