Annual report pursuant to Section 13 and 15(d)

15. Income Taxes (Tables)

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15. Income Taxes (Tables)
12 Months Ended
Mar. 31, 2017
Income Tax Disclosure [Abstract]  
Deferred tax assets
    March 31,  
    2017     2016  
Deferred tax assets:                
Net operating loss carryforwards   $ 33,394,000     $ 36,454,000  
Research and development tax credit carryforwards     1,746,000       1,710,000  
Stock-based compensation     5,439,000       5,083,000  
Reserves and accruals     1,232,000       1,111,000  
Other deferred tax assets     240,000       241,000  
State income taxes     4,000       (1,000 )
Basis difference in assets     1,000       8,000  
Total deferred tax assets   $ 42,056,000     $ 44,606,000  
                 
Net deferred tax asset     42,056,000       44,606,000  
Valuation allowance     (42,056,000 )     (44,606,000 )
Net deferred tax asset   $     $  
Schedule of income tax expense
    Years Ended March 31,  
    2017     2016  
Current:            
State   $ 6,000     $ 2,000  
                 
Deferred:                
Federal     (3,272,000 )      
State     (158,000 )      
 Foreign     (844,000 )      
    $ (4,268,000 )   $ 2,000  
Reconciliation of federal income tax rate to effective rate
    Years Ended March 31,  
    2017     2016  
Expected federal statutory rate     34.0%       34.0%  
State income taxes, net of federal benefit     1.2%       1.8%  
Research and development credit     0.3%       0.4%  
Foreign earnings taxed at different rates     (1.0% )     (0.7%
Effect of state net operating loss expiration     (2.3% )     (5.5%
Effect of permanent differences     0.0%       3.3%  
Impact of foreign exchange rate fluctuations on foreign deferred income taxes     0.0%       (8.5%
Impact of change in foreign net operating loss     0.0%       (6.3%
Cancellation of stock options and other true-ups     0.0%       0.0%  
True-up of state deferred assets     (7.4% )     (11.4% )
      24.8%       7.1%  
Change in valuation allowance     8.2%       (7.1%
Totals     33.0%  )     0.0%