Quarterly report pursuant to Section 13 or 15(d)

Earnings and Net Income (Loss) per Common Share (Details)

v2.4.0.6
Earnings and Net Income (Loss) per Common Share (Details) (USD $)
 3 Months Ended 6 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Basic net income (loss) per common share        
Net income (loss) $ 6,987,000 $ 3,814,000 $ 13,587,000 $ (1,152,000)
Weighted-average common shares outstanding 30,725,652 29,523,641 30,534,607 28,640,896
Basic net income (loss) per common share (in dollars per share) $ 0.23 $ 0.13 $ 0.44 $ (0.04)
Diluted net income (loss) per common share        
Net income (loss) 6,987,000 3,814,000 13,587,000 (1,152,000)
Weighted-average common shares outstanding 30,725,652 29,523,641 30,534,607 28,640,896
Stock Issued During Period, Value, Stock Options Exercised 899,715 1,738,659 873,150 0
Stock Issued During Period, Value, Restricted Stock Award, Gross $ 15,576 $ 0 $ 11,222 $ 0
Weighted average shares outstanding - dilutive 31,640,943 31,262,300 31,418,979 28,640,896
Diluted net income (loss) per common share (in dollars per share) $ 0.22 $ 0.12 $ 0.43 $ (0.04)
Common stock equivalents not included in the calculation of diluted loss per commons share (in shares)       1,671,801,000