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Net Income (Loss) Per Share (Details) (USD $)
 3 Months Ended 9 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Net Income (Loss) Per Share [Abstract]        
Income from continuing operations $ 1,148,000 $ 1,786,000 $ 3,415,000 $ 10,656,000
Income (loss) from discontinued operations 0 (851,000) 100,877,000 (28,516,000)
Net income (loss) $ 1,148,000 $ 935,000 $ 104,292,000 $ (17,860,000)
Basic (in shares) 14,618,930 14,463,782 14,513,864 14,283,080
Effect of dilutive stock options and warrants (in shares) 643,567 61,831 306,477 65,734
Diluted (in shares) 15,262,497 14,525,613 14,820,341 14,348,814
Net income (loss) per share [Abstract]        
Basic net income per share from continuing operations (in dollars per share) $ 0.08 $ 0.12 $ 0.24 $ 0.75
Basic net income (loss) per share from discontinued operations (in dollars per share) $ 0.00 $ (0.06) $ 6.95 $ (2.00)
Basic net income (loss) per share (in dollars per share) $ 0.08 $ 0.06 $ 7.19 $ (1.25)
Diluted net income per share from continuing operations (in dollars per share) $ 0.08 $ 0.12 $ 0.23 $ 0.74
Diluted net income (loss) per share from discontinued operations (in dollars per share) $ 0.00 $ (0.06) $ 6.81 $ (1.99)
Diluted net income (loss) per share (in dollars per share) $ 0.08 $ 0.06 $ 7.04 $ (1.25)
Minimum [Member]
        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Exercise price of antidilutive options and warrants (in dollars per share)   $ 5.83 $ 10.73 $ 5.83
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 $ 15.06
Stock Options [Member]
        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from computation of earnings per share (in shares)   1,500,933 421,500 1,500,933
Warrants [Member]
        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive shares excluded from computation of earnings per share (in shares)   735,484   735,484