CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013
Stockholders' equity
Preferred stock, par value (in dollars per share)	$ 0	$ 0
Preferred stock, liquidation preference per share (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, dividend rate (in hundredths)	5.00%	5.00%
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	5,000	12,000
Preferred stock, shares outstanding (in shares)	5,000	12,000
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)	8,115,444	8,038,345
Common stock, shares outstanding (in shares)	8,115,444	8,038,345