Selected Balance Sheet Data (Tables)

6 Months Ended

Mar. 31, 2013

Selected Balance Sheet Data [Abstract]

Schedule of Selected Balance Sheet Data

	March 31, 2013		September 30, 2012
Accounts receivable, net:
Accounts receivable	$	24,216	$	24,929
Less allowance for doubtful accounts	359		295
	$	23,857	$	24,634
Inventories:
Raw materials	$	20,607	$	18,159
Work in process	489		428
Finished goods	4,703		5,848
	$	25,799	$	24,435