Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details Textual)

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Income Taxes (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2012
Oct. 31, 2011
Income Tax Expense (Benefit) $ (882,000) $ (368,000) $ (766,000) $ (583,000)
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate     35.00%  
Effective Income Tax Rate Reconciliation, State and Local Income Taxes     3.20%  
Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation     $ 9,600,000  
Percentage Of Valuation Allowance     100.00%