Earnings Per Share (Detail Textuals) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Net income (loss)	$ 1,882,000	$ 846,000	$ 692,000	$ 592,000	$ 555,000	$ (207,000)	$ 622,000	$ 802,000	$ 4,012,000	$ 1,772,000
Dividends on preferred stock									362,000	362,000
Net income available to common stockholders									$ 3,650,000	$ 1,410,000
Options to purchase shares (in shares)									5,000	5,000
Exercise price (in dollars per share)									$ 22.25	$ 22.25