Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v2.4.0.8
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Preferred stock, par value (in usd per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Treasury stock at cost (in shares) 4,833,284 4,833,284
Class A Common Stock
   
Common stock, par value (in usd per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares) 500,000,000 500,000,000
Common stock, shares issued (in shares) 32,384,648 32,019,982
Common stock, shares outstanding (in shares) 27,551,364 27,186,698
Class B Common Stock
   
Common stock, par value (in usd per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (in shares) 144,000,000 144,000,000
Common stock, shares issued (in shares) 18,000,000 18,000,000
Common stock, shares outstanding (in shares) 18,000,000 18,000,000