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Net Loss per Common Share (Details) (Options and Unvested Restricted Stock [Member], USD $)
9 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Options and Unvested Restricted Stock [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Number of anti-dilutive shares excluded from computation of diluted loss per common share (in shares) 1,518,068 1,240,085
Range of exercise prices - lower range limit (in dollars per share) $ 0.77 $ 0.77
Range of exercise prices - upper range limit (in dollars per share) $ 2.65 $ 3.19