Consolidated Condensed Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 28, 2012	Dec. 30, 2011
Net revenue:
Products	$ 38,394	$ 33,842
Intellectual property	6,000	90
Total net revenue	44,394	33,932
Cost of goods sold	15,094	14,219
Gross margin	29,300	19,713
Operating expenses:
Research and development	15,597	15,008
Selling, general and administrative	9,610	10,130
Restructuring charges	1,572
Total operating expenses	26,779	25,138
Operating income/(loss)	2,521	(5,425)
Interest expense	(1,389)	(387)
Other income, net	16	302
Income/(loss) before income taxes	1,148	(5,510)
Provision for income taxes	71	88
Net income/(loss)	$ 1,077	$ (5,598)
Net income/(loss) per share:
Basic	$ 0.03	$ (0.17)
Diluted	$ 0.03	$ (0.17)
Weighted-average number of shares used in per share computation:
Basic	39,497	32,900
Diluted	40,058	32,900