v3.19.3
Consolidated Balance Sheets (Parenthetical) - $ / shares
Sep. 30, 2019
Dec. 31, 2018
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 2,000,000 2,000,000
Preferred stock, shares issued 0 0
Class A Common Stock [Member]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 50,000,000 50,000,000
Common stock, shares issued 26,052,220 25,819,341
Common stock, shares outstanding 23,049,632 22,816,753
Class B Common Stock [Member]    
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 5,649,240 5,649,240
Common stock, shares outstanding 5,576,775 5,576,775