Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Shareholders' Equity
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred stock, shares outstanding (in shares)	20,600	20,600
Preferred stock, liquidation preference (in dollars per share)	$ 1,000	$ 1,000
Common stock, no par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares issued (in shares)	12,697,265	12,667,111
Common stock, outstanding (in shares)	12,697,265	12,667,111