Warrants Outstanding and Exercisable (Detail)	Sep. 27, 2013	Feb. 28, 2013 Warrant 1	Feb. 28, 2013 Warrant 2	Sep. 27, 2013 2010 Warrants	Sep. 27, 2013 Partners for Growth III, L.P. Warrant 1	Sep. 27, 2013 Partners for Growth III, L.P. Warrant 2
Class of Warrant or Right [Line Items]
Warrants outstanding and exercisable	1,462,000			267,000	995,000	200,000
Exercise price		0.50	1.00	1.376	0.500	1.000

Exercise price per share or per unit of warrants or rights outstanding.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(4))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 4

-Article 4

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Namespace Prefix:	us-gaap_
Data Type:	us-types:perUnitItemType
Balance Type:	na
Period Type:	instant