Purchased Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets by Major Class

The following tables present details of the Company’s total purchased intangible assets:

	Gross		Accumulated Amortization		Net
	(in thousands)
September 30, 2013
Developed technology	$	5,330	$	1,758	$	3,572
Customer relationships	3,340		580		2,760
Other	450		156		294
Total	$	9,120	$	2,494	$	6,626
September 30, 2012
Developed technology	$	4,930	$	879	$	4,051
In-process technology (IPR&D)	400		—		400
Customer relationships	3,340		9		3,331
Other	450		6		444
Total	$	9,120	$	894	$	8,226

Schedule of amortization expense of purchased intangible assets as reported in the consolidated statements of income

The following table presents details of the amortization expense of purchased intangible assets as reported in the Consolidated Statements of Operations:

	Years Ended September 30,
	2013		2012		2011
	(in thousands)
Reported as:
Cost of sales	$	879	$	984	$	1,082
Operating expenses	721		864		616
Total	$	1,600	$	1,848	$	1,698

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

Fiscal year
2014	$	1,533
2015	1,382
2016	1,238
2017	1,239
2018	1,195
Thereafter	39
Total	$	6,626

Schedule of Goodwill

The following table provides details regarding the changes in the Company's goodwill:

	(in thousands)
Balance at September 30, 2010	$	1,301
Addition arising from acquisition of Si En	8,162
Balance at September 30, 2011	9,463
Addition arising from acquisition of Chingis	3,976
Impairment	(4,261		)
Balance at September 30, 2012	9,178
Impairment	—
Balance at September 30, 2013	$	9,178