Quarterly report pursuant to Section 13 or 15(d)

Share Repurchases (Details Textual)

v3.5.0.2
Share Repurchases (Details Textual) - Class A Common Stock - USD ($)
$ / shares in Units, $ in Millions
6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Aug. 31, 2011
August 2011 authorization [Member]      
Share Repurchases (Textual) [Abstract]      
Stock Repurchase Program     $ 20.0
Treasury Stock, Shares, Acquired 0 0  
Stock Repurchase Program Remaining Authorized Repurchases Amount $ 0.1    
Outside of Publically Announced Repurchase Program [Member]      
Share Repurchases (Textual) [Abstract]      
Treasury Stock, Shares, Acquired 166,176 73,765  
Treasury stock acquired volume weighted-average price $ 0.85 $ 1.15