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Common Stock and Treasury Stock
 3 Months Ended
Mar. 31, 2014
Stockholders' Equity Note [Abstract]  
Common Stock and Treasury Stock
4. Common Stock and Treasury Stock
 
The following summarizes information relating to the number of shares of our common stock issued in connection with stock transactions through March 31, 2014:
 
 
 
Common Stock Issued
 
 
Class A
 
Class B
 
 
 
(Shares in thousands)
 
Balance, January 1, 2013
 
6,369
 
797
 
Exercised options
 
9
 
—
 
Conversion of shares
 
1
 
(1)
 
Issuance of restricted stock
 
30
 
20
 
Balance, December 31, 2013
 
6,409
 
816
 
Exercised options
 
7
 
—
 
Balance, March 31, 2014
 
6,416
 
816
 
 
We have a Stock Buy-Back Program to allow us to purchase up to $75.8 million of our Class A Common Stock. As of March 31, 2014 we have remaining authorization of $29.9 million for future repurchases of our Class A Common Stock.