v3.4.0.3
Note 6 - Income Taxes (Tables)
12 Months Ended
Jan. 31, 2016
Notes Tables  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
 
 
Years Ended January 31,
 
 
 
201
6
 
 
201
5
 
Federal:
               
Current
  $     $  
Deferred
           
State:
               
Current
    4       42  
Deferred
           
Foreign:
               
Current
           
    $ 4     $ 42  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
 
 
Years Ended January 31,
 
 
 
201
6
 
 
201
5
 
 
 
Amount
 
 
Percent
Pretax
Income
 
 
Amount
 
 
Percent
Pretax
Income
 
(Loss)/Income from operations before income taxes
  $ (1,346
)
    100
%
  $ 6,082       100
%
                                 
Computed “expected” income tax benefit on loss from operations before income taxes
  $ (538
)
    34
%
  $ 2,068       34
%
State tax, net of federal benefit
    (73
)
    6
%
    387       6
%
Tax credits
          0
%
          0
%
Change in valuation allowance
    626       (39
)%
    (569
)
    (9
)%
Permanent differences
    1       2
%
    118
)
    2
%
Return to provision adjustments
          0
%
          0
%
Change in state tax rate
          0
%
    (1,978
)
    (32
)%
Other, net
    (12 )     (1
)%
    16       0
%
Income tax expense
  $ 4       0
%
  $ 42       1
%
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
 
 
January 31,
 
 
 
201
6
 
 
201
5
 
Deferred tax assets:
               
Property and equipment, principally due to differing depreciation methods
    153       161  
Accruals and reserves
    145       206  
Net research and manufacturer investment credit carryforwards
    2,325       2,325  
Net operating losses
    13,832       13,151  
AMT credit carryforwards
    136       136  
Stock based compensation
    140       127  
Other
           
Total gross deferred tax assets
    16,731       16,106  
Less: valuation allowance
    (16,731
)
    (16,106
)
Net deferred tax assets
  $     $  
Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]
 
 
Unrecognized
Tax Benefits
 
Balance at February 1, 2015
  $ 777  
Additions based on tax positions related to the current year
     
Reductions due to lapses of statute of limitations
    10  
Tax positions of prior years
     
Balance at January 31, 2016
  $ 767