Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)

v3.10.0.1
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2018
Mar. 31, 2018
Accounts receivable, allowance $ 125 $ 95
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
Treasury stock, shares 4,838,781 4,633,871
Class A Common Stock    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 109,000,000 109,000,000
Common stock, shares outstanding 12,183,029 12,145,743
Class B Common Stock    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 25,000,000 25,000,000
Common stock, shares issued 3,484,287 3,484,287
Common stock, shares outstanding 3,484,287 3,484,287