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Net Income (Loss) Per Share (Details) (USD $)
 3 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Net Income (Loss) Per Share [Abstract]    
Income from continuing operations $ 103,000 $ 2,367,000
Income (loss) from discontinued operations 100,877,000 (12,229,000)
Net income (loss) $ 100,980,000 $ (9,862,000)
Basic (in shares) 14,460,979 13,924,641
Effect of dilutive stock options and warrants (in shares) 86,586 88,042
Diluted (in shares) 14,547,565 14,012,683
Net income (loss) per share [Abstract]    
Basic net income per share from continuing operations (in dollars per share) $ 0.01 $ 0.17
Basic net income (loss) per share from discontinued operations (in dollars per share) $ 6.97 $ (0.88)
Basic net income (loss) per share (in dollars per share) $ 6.98 $ (0.71)
Diluted net income per share from continuing operations (in dollars per share) $ 0.01 $ 0.17
Diluted net income (loss) per share from discontinued operations (in dollars per share) $ 6.93 $ (0.87)
Diluted net income (loss) per share (in dollars per share) $ 6.94 $ (0.70)
Minimum [Member]
    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Exercise price of antidilutive options and warrants (in dollars per share) $ 7.27 $ 6.75
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 $ 17.00
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) 1,113,534 1,148,534
Warrants [Member]
    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive shares excluded from computation of earnings per share (in shares) 735,484 100,000