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Net Loss per Common Share (Details) (Options and Unvested Restricted Stock [Member], USD $)	6 Months Ended
	Sep. 30, 2013	Sep. 30, 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)	1,802,564	1,277,235
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)	$ 3.25	$ 3.76

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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