Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.7.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2017
Mar. 31, 2016
Accounts receivable, allowance $ 90 $ 53
Treasury stock, shares 17,762,401 17,560,758
Preferred Stock [Member]    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Class A Common Stock [Member]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 109,000,000 109,000,000
Common stock, shares outstanding 48,060,172 47,184,725
Class B Common Stock [Member]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 13,937,151 13,937,151
Common stock, shares outstanding 13,937,151 13,937,151