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Income Taxes (Components of Income Tax Expense) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jan. 31, 2014
Jan. 31, 2013
Jan. 31, 2012
Current      
Federal $ 1 $ 0 $ 0
State (24) (275) (173)
Current income tax benefit (expense) (23) (275) (173)
Deferred      
Federal (753) (1,192) (4,581)
State 23 (223) (1,235)
Total deferred income taxes (730) (1,415) (5,816)
Change in Valuation Allowance (250) 1,481 6,044
Deferred income taxes (980) 66 228
Income tax expense (benefit) $ (1,003) $ (209) $ 55