v2.4.0.6
Note 9 - Income Taxes (Detail) - Effective Income Tax Rate Reconciliation (USD $)
12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Loss from continuing operations before income taxes and discontinued operations $ (5,592,000) $ (5,289,000)
Computed “expected” income tax benefit on loss from continuing operations before income taxes 2,000 2,000
State tax, net of federal benefit (301,000) (192,000)
State tax, net of federal benefit (5.00%) (4.00%)
Tax credits (80,000) (157,000)
Tax credits (2.00%) (3.00%)
Change in valuation allowance 619,000 2,009,000
Change in valuation allowance 11.00% 38.00%
Permanent differences 969,000 3,000
Permanent differences 17.00%  
Return to provision adjustments 681,000 116,000
Return to provision adjustments 12.00% 2.00%
Other, net 15,000 21,000
Income tax benefit 2,000 2,000
Before Discontinued Operations (Member)
   
Loss from continuing operations before income taxes and discontinued operations (5,590,000) (5,287,000)
Loss from continuing operations before income taxes and discontinued operations 100.00% 100.00%
Continuing Operations (Member)
   
Computed “expected” income tax benefit on loss from continuing operations before income taxes $ (1,901,000) $ (1,798,000)
Computed “expected” income tax benefit on loss from continuing operations before income taxes (34.00%) (34.00%)