Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Shareholders' Equity
Senior preferred, par value	$ 0	$ 0
Senior preferred, dividend rate	5.00%	5.00%
Senior preferred, shares authorized	2,500,000	2,500,000
Senior preferred, shares issued	17,806	17,806
Senior preferred, liquidation preference	$ 17,806	$ 17,806
Warrant preferred, par value	$ 0	$ 0
Warrant preferred, dividend rate	9.00%	9.00%
Warrant preferred, shares issued	890	890
Warrant preferred, liquidation preference	$ 890	$ 890
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	3,273,226	3,272,412