Quarterly report pursuant to Section 13 or 15(d)

8. Stock-Based Compensation (Details Narrative)

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8. Stock-Based Compensation (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Stock based compensation expense $ 456,000 $ 296,000 $ 907,000 $ 483,000
Aggregate intrinsic value per share     $ 2.35  
Unrecognized compensation costs related to stock options 3,910,000   3,910,000  
Weighted-average amortization period of unrecognized compensation costs     2 years 4 months 17 days  
Stock Options - Non-employees [Member]
       
Stock based compensation expense $ 40,000   $ 93,000  
2006 Plan [Member]
       
Increase in authorized shares     250,000  
2011 Plan [Member]
       
Increase in authorized shares     1,224,021