Net Income Per Share (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net Income Per Share [Abstract]
Income from continuing operations	$ 1,475,000	$ 2,164,000	$ 5,424,000	$ 2,267,000
Income from discontinued operations	0	0	0	100,877,000
Net income	$ 1,475,000	$ 2,164,000	$ 5,424,000	$ 103,144,000
Basic shares (in shares)	15,975,437	14,460,979	15,531,566	14,460,979
Effect of dilutive stock options and warrants (in shares)	850,990	246,017	841,160	234,129
Diluted shares (in shares)	16,826,427	14,706,996	16,372,726	14,695,108
Net income per share [Abstract]
Basic net income per share from continuing operations (in dollars per share)	$ 0.09	$ 0.15	$ 0.35	$ 0.16
Basic net income per share from discontinued operations (in dollars per share)	$ 0	$ 0	$ 0	$ 6.97
Basic net income per share (in dollars per share)	$ 0.09	$ 0.15	$ 0.35	$ 7.13
Diluted net income per share from continuing operations (in dollars per share)	$ 0.09	$ 0.15	$ 0.33	$ 0.15
Diluted net income per share from discontinued operations (in dollars per share)	$ 0	$ 0	$ 0	$ 6.87
Diluted net income per share (in dollars per share)	$ 0.09	$ 0.15	$ 0.33	$ 7.02
Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares excluded from computation of earnings per share (in shares)		756,334		1,301,534
Options [Member] | Minimum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Exercise price of antidilutive options and warrants (in dollars per share)		$ 9.85		$ 8.70
Options [Member] | Maximum [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Exercise price of antidilutive options and warrants (in dollars per share)		$ 15.06		$ 15.06