Commitments and Contingencies (Details Textual) (USD $)	0 Months Ended	3 Months Ended
Jan. 13, 2013	Mar. 31, 2012	Sep. 28, 2013	Dec. 29, 2012
Commitments and Contingencies (Textual) [Abstract]
Liabilities recorded for obligations			$ 0	$ 0
Settlement amount with KLA	2,500,000
One time payment to KLA		$ 2,500,000

The amount of cash paid for the settlement of litigation or for other legal issues during the period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 25

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585

Name:	us-gaap_PaymentsForLegalSettlements
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration