Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Treasury stock, shares	1,154,097	0
Common Stock Series A Voting
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	39,000,000	39,000,000
Common stock, shares issued	25,436,467	27,500,000
Common stock, shares outstanding	24,282,370	27,500,000
Common Stock Series B Non-voting
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	3,000,000	3,000,000
Common stock, shares issued	2,063,533	0
Common stock, shares outstanding	2,063,533	0