Annual report pursuant to Section 13 and 15(d)

Income taxes - Additional Information (Detail)

v2.4.0.6
Income taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Feb. 02, 2013
Minimum [Member]
Feb. 02, 2013
Maximum [Member]
Income Tax Contingency [Line Items]        
Net operating loss carryforwards (NOLs) for federal income tax purposes $ 73      
Maximum utilization of net operating loss carryforwards (NOLs) annually       440
Expiry Period of net operating loss carryforwards (NOLs)     2013 2014
Credit carryforwards for state income tax 281      
Reserve for uncertain tax positions $ 0 $ 0