Organization and Summary of Significant Accounting Policies Inventory Property and Equipment (Details)	Sep. 30, 2012
Computer equipment estimated useful life minimum (in years)	3
Computer equipment estimated useful life maximum (in years)	7
Computer software estimated useful life minimum (in years)	3
Computer software estimated useful life maximum (in years)	7
Machinery and equipment estimated useful life minimum (in years)	3
Machinery and equipment estimated useful life maximum (in years)	7
Furniture and fixture estimated useful life minimum (in years)	3
Furniture and fixture estimated useful life maximum (in years)	7