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Subsequent Events	12 Months Ended
	Dec. 31, 2011
Subsequent Events [Abstract]
Subsequent Events	(13) Subsequent Events In January 2012, the Company's board of directors declared a regular quarterly dividend in the amount $0.02 per share on the Company's Class A and Class B common stock. The Company paid these dividends on February 15, 2012 to the holders of record as of the close of business on February 3, 2012. The Company paid approximately $751,000 for these quarterly dividends.

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The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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