Consolidated Balance Sheets (Restated) (unaudited) (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Shareholders' Equity
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	13,265,184	13,003,849
Common stock, shares outstanding (in shares)	13,265,184	13,003,849