Warrants Outstanding and Exercisable (Detail) In Thousands, unless otherwise specified	Jun. 28, 2013
Class of Warrant or Right [Line Items]
Warrants outstanding and exercisable	1,462
2010 Warrants
Class of Warrant or Right [Line Items]
Warrants outstanding and exercisable	267
Exercise price	1.376
Partners for Growth III, L.P. | Warrant 1
Class of Warrant or Right [Line Items]
Warrants outstanding and exercisable	995
Exercise price	0.500
Partners for Growth III, L.P. | Warrant 2
Class of Warrant or Right [Line Items]
Warrants outstanding and exercisable	200
Exercise price	1.000