Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statement of Changes in Stockholders' Equity

v2.4.0.6
Consolidated Statement of Changes in Stockholders' Equity (USD $)
Total
USD ($)
Class B Common Stock
Class A Common Stock
Preferred Stock
USD ($)
Common Stock
Class B Common Stock
USD ($)
Common Stock
Class A Common Stock
USD ($)
Additional Paid-in Capital
USD ($)
Retained Earnings
USD ($)
Treasury Stock
USD ($)
Minority Interest
USD ($)
Accumulated Other Comprehensive Income (Loss)
USD ($)
Balance at Dec. 31, 2011 $ 236,421,035     $ 0 $ 1,800 $ 3,071 $ 86,067,852 $ 161,335,621 $ (9,182,571) $ 63,614 $ (1,868,352)
Treasury Stock, Shares at Dec. 31, 2011 4,833,284               4,833,284    
Common Stock, Shares, Outstanding at Dec. 31, 2011   18,000,000 25,880,553   18,000,000 30,713,837          
Preferred Stock, Shares, Outstanding at Dec. 31, 2011 0     0              
Increase (Decrease) in Stockholders' Equity [Roll Forward]                      
Exercise of stock options (in shares) 1,151,327         1,151,327          
Exercise of stock options 3,016,256         115 3,016,141        
Stock-based compensation expense, including excess tax benefits of $2,375,223 4,903,149           4,903,149        
Changes in minority interest in foreign subsidiary 7,700                 7,700  
Foreign currency translation adjustment 957,808                   957,808
Unrealized gain from interest rate hedge, net of tax 297,950                   297,950
Net income 13,445,348             13,445,348      
Balance at Sep. 30, 2012 $ 259,049,246     $ 0 $ 1,800 $ 3,186 $ 93,987,142 $ 174,780,969 $ (9,182,571) $ 71,314 $ (612,594)
Preferred Stock, Shares, Outstanding at Sep. 30, 2012 0     0              
Treasury Stock, Shares at Sep. 30, 2012 4,833,284               4,833,284    
Common Stock, Shares, Outstanding at Sep. 30, 2012   18,000,000 27,031,880   18,000,000 31,865,164