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Income Taxes (Tables)
12 Months Ended
Mar. 31, 2018
Income Taxes Tables  
Components of tax provision

The components of the consolidated (benefit) provision for income taxes for fiscal 2018, 2017 and 2016 consisted of the following (in thousands):

      March 31,
Current:     2018     2017     2016
     Federal   $ (395)   $ (7)   $ 97 
     State     256      588      551 
     Foreign     185      112      71 
          Total current tax provision     46      693      719 
                   
Deferred                  
     Federal     59,837      1,506      95 
     State     6,664      (1,095)     (854)
     Foreign     (253)     (1,230)     (807)
          Total deferred tax (benefit) provision     66,248      (819)     (1,566)
          Income tax (benefit) provision   $ 66,294    $ (126)   $ (847)

 

 

 

 

Schedule of tax effects of temporary differences that give rise to deferred tax assets and liabilities

Deferred tax assets and (liabilities) were comprised of the following (in thousands):

      March 31,
      2018     2017
Net operating loss carryforwards   $ 40,465    $ 36,427 
Research and development and other credit carryforwards     11,761      8,614 
Stock-based compensation     6,389      6,942 
Reserves and allowances     3,181      3,266 
Fixed assets and intangibles     378      (3,688)
     Net non-current deferred tax assets     62,174      51,561 
Valuation allowance     (62,174)     (2,934)
          Total   $   $ 48,627 

 

 

 

 

Reconciliation of U.S. statutory income tax rate to company's effective tax rate

A reconciliation of the Company's provision (benefit) for income taxes to the amounts computed using the statutory U.S. federal income tax rate is as follows (in thousands):

      Years Ended March 31,
      2018     2017     2016
Tax provision at statutory rate   $ (11,790)   $ (1,652)   $ (2,029)
State income taxes before valuation allowance,                  
     net of federal effect     (1,042)     108     
Foreign tax rate differential     (1,188)     885      (769)
Research and development credits     (2,189)     (1,484)     (1,253)
Change in valuation allowance     56,663      (287)     (1,555)
Compensation/option differences     (4,965)     (246)     (471)
Non-deductible compensation     1,132      1,079      944 
Tax Act rate change impact     22,630         
Acquisition costs         54      230 
Expiring California loss carry-forwards             1,626 
Foreign loss not benefited     6,847      780      2,342 
Other     196      637      79 
          Total income tax provision   $ 66,294    $ (126)   $ (847)

 

 

 

 

Reconciliation of beginning and ending amount of unrecognized tax benefits

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):

      Unrecognized Tax Benefits
      2018     2017     2016
Balance at beginning of year   $ 3,331    $ 2,881    $ 2,420 
Gross increases - tax position in prior period             82 
Gross increases - tax position related to the current year     649      450      379 
Balance at end of year   $ 3,980    $ 3,331    $ 2,881