Property And Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Property And Equipment [Abstract]
Depreciation	$ 2,075	$ 6,216	$ 4,832
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	27,904	28,504
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(21,424)	(20,488)
Property, Plant and Equipment, Net	6,480	8,016
Land [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,795	1,795
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum	5
Property, Plant and Equipment, Useful Life, Maximum	20
Property, Plant and Equipment, Gross	1,491	3,202
Transportation Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum	3
Property, Plant and Equipment, Useful Life, Maximum	5
Property, Plant and Equipment, Gross	1,695	1,720
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum	3
Property, Plant and Equipment, Useful Life, Maximum	10
Property, Plant and Equipment, Gross	4,732	4,463
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum	5
Property, Plant and Equipment, Useful Life, Maximum	10
Property, Plant and Equipment, Gross	2,015	1,772
Technology Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum	2
Property, Plant and Equipment, Useful Life, Maximum	8
Property, Plant and Equipment, Gross	15,289	14,549
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life, Minimum	5
Property, Plant and Equipment, Useful Life, Maximum	7
Property, Plant and Equipment, Gross	$ 887	$ 1,003