Quarterly report pursuant to Section 13 or 15(d)

Share Repurchases (Details Textual)

v3.8.0.1
Share Repurchases (Details Textual) - Class A Common Stock - USD ($)
$ / shares in Units, $ in Millions
9 Months Ended
Dec. 31, 2017
Dec. 31, 2016
May 17, 2017
Mar. 31, 2017
Aug. 31, 2011
MayTwoThousandSeventeenAuthorization [Member]          
Share Repurchases (Textual) [Abstract]          
Stock Repurchase Program     $ 2.0    
Treasury Stock, Shares, Acquired 133,608        
Stock Repurchase Program Remaining Authorized Repurchases Amount $ 1.7        
Treasury stock acquired volume weighted-average price $ 2.98        
August 2011 authorization [Member]          
Share Repurchases (Textual) [Abstract]          
Stock Repurchase Program         $ 20.0
Treasury Stock, Shares, Acquired   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 54,572 44,005      
Treasury stock acquired volume weighted-average price $ 2.89 $ 3.32