Common Stock and Treasury Stock

6 Months Ended

Jun. 30, 2016

Stockholders' Equity Note [Abstract]

Common 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 June 30, 2016:

	Common Stock Issued
	Class A		Class B
	(Shares in thousands)
Balance, January 1, 2015		6,446		843
Exercised options		93		32
Conversion of shares		40		(40)
Issuance of restricted stock		26		30
Forfeiture of restricted stock		(2)		—
Balance, December 31, 2015		6,603		865
Balance, June 30, 2016		6,603		865

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 June 30, 2016 we have remaining authorization of $24.9 million for future repurchases of our Class A Common Stock.