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INCOME TAXES (Tables)
12 Months Ended
Feb. 28, 2014
INCOME TAXES [Abstract]  
Schedule of Income Before Income Taxes

The Company's income before income taxes consists of the following (in thousands):

    Year Ended February 28,
        2014       2013       2012
Domestic   $      17,185   $      14,811   $      6,047  
Foreign     726     637     (768 )
Total income before income taxes   $ 17,911   $ 15,448   $ 5,279  
Schedule of Income Tax Benefit (Provision)

The income tax benefit (provision) consists of the following (in thousands):

    Year Ended February 28,
        2014       2013       2012
Current:                        
       Federal   $      -     $      -     $      (52 )
       State     (42 )     (9 )     (9 )
       Foreign     (45 )     (44 )     -  
       Total current     (87 )     (53 )     (61 )
                         
Deferred:                        
       Federal     (6,346 )     21,465       -  
       State     325       7,766       -  
       Total deferred     (6,021 )     29,231       -  
                         
Total income tax benefit (provision)   $ (6,108 )   $ 29,178     $ (61 )
Reconciliation of Effective Income Tax Benefit (Provision)

Differences between the income tax benefit (provision) reported in the consolidated statements of income and the income tax amount computed using the statutory U.S. federal income tax rate are as follows (in thousands):

    Year Ended February 28,
        2014       2013       2012
Income tax provision at U.S. statutory federal rate of 35%   $      (6,269 )   $      (5,407 )   $      (1,848 )
State income tax provision, net of federal income tax effect     (770 )     (570 )     (245 )
Foreign taxes     209       178       (268 )
Valuation allowance reductions (increases)     (865 )     35,148       1,816  
Research and development tax credits     1,126       721       590  
Other, net     461       (892 )     (106 )
Total income tax benefit (provision)   $ (6,108 )   $ 29,178     $ (61 )
Schedule of Net Deferred Tax Income Assets

The components of net deferred income tax assets for U.S. income tax purposes are as follows (in thousands):

    February 28,
        2014       2013
Net operating loss carryforwards   $      31,546     $      22,977  
Depreciation, amortization and impairments     1,332       9,585  
Research and development credits     7,238       6,089  
Stock-based compensation     1,639       1,990  
Capital loss carryforward     840       831  
Other tax credits     551       636  
Inventory reserve     576       534  
Warranty reserve     593       515  
Payroll and employee benefit accruals     1,185       469  
Allowance for doubtful accounts     298       179  
Other accrued liabilities     1,568       343  
Other, net     233       827  
Gross deferred tax assets     47,599       44,975  
Valuation allowance     (4,849 )     (3,959 )
Net deferred tax assets     42,750       41,016  
Less current portion     7,619       6,400  
Non-current portion   $ 35,131     $ 34,616  
Reconciliation of Unrecognized Tax Benefits

Activity in the amount of unrecognized tax benefits for uncertain tax positions during the past three years is as follows (in thousands):

  Balance at February 28, 2011       $      1,265  
  Decrease in fiscal 2012     (174 )
  Balance at February 28, 2012     1,091  
  Decrease in fiscal 2013     (2 )
  Balance at February 28, 2013     1,089  
  Decrease in fiscal 2014     (60 )
      Balance at February 28, 2014   $ 1,029