Selected Balance Sheet Data (Tables)

12 Months Ended

Sep. 30, 2012

Selected Balance Sheet Data [Abstract]

Schedule of Selected Balance Sheet Data

(in thousands)

	As of September 30,
	2012		2011
Accounts receivable, net:
Accounts receivable	$	24,929	$	26,772
Less allowance for doubtful accounts	295		339
Total accounts receivable, net	$	24,634	$	26,433
Inventories:
Raw materials	$	18,159	$	18,960
Work in process	428		653
Finished goods	5,848		4,373
Total inventories	$	24,435	$	23,986
Property, equipment and improvements, net:
Land	$	1,800	$	1,800
Buildings	10,522		10,522
Improvements	3,763		3,916
Equipment	14,093		13,753
Purchased software	11,971		11,801
Furniture and fixtures	2,595		3,035
Total property, equipment and improvements, gross	44,744		44,827
Less accumulated depreciation and amortization	29,587		29,457
Total property, equipment and improvements, net	$	15,157	$	15,370