Stockholders' Equity (Details) (USD $)	0 Months Ended
	Feb. 04, 2011	Sep. 30, 2012	Dec. 31, 2011
Equity, Class of Treasury Stock [Line Items]
Maximum number of common shares authorized to be repurchased (in shares)		540,000
Increased number of common stock to be repurchase (in shares)		100,000
Treasury stock, shares		50,454	35,454	[1]
Repurchased common stock, value		$ 405,000	$ 315,000	[1]
Public offering [Abstract]
Common Stock, Shares, Issued	350,000
Sale of stock, per share amount	$ 20
Over allotment option shares issued	45,652
Proceeds from Issuance of Common Stock	6,404,000
Common stock [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchased common stock, value		$ 405,000

[1] The Condensed Consolidated Balance Sheet as of December 31, 2011, has been derived from the audited consolidated financial statements at that date, but does not include all of the information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.