Common Stock (Details Textual) (USD $)	1 Months Ended		9 Months Ended
	Feb. 28, 2012	Jan. 27, 2012	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Stock Issued During Period, Shares, New Issues (in shares)		1,300,000
Sale Of Stock, Price Per Share (in dollars per share)		$ 24.75
Proceeds from Issuance Initial Public Offering (in dollars)	$ 35,000,000		$ 35,042,235	$ 0
Excess Stock Decrease In Number Of Shares Authorized			2,500,000
Excess stock par value (in dollars per share)			$ 0.0001		$ 0.0001
Stockholders Equity Number Of Shares Authorized			20,000,000
Stockholders Equity Par Or Stated Value Per Share (in dollars per share)			$ 0.0001
Common Stock, Shares Authorized			15,850,000		13,350,000
Excess Stock, Shares Authorized			4,000,000		6,500,000
Preferred Stock, Shares Authorized			150,000		150,000
Over Allotment Option [Member]
Sale Of Stock, Number Of Shares Issued In Transaction (in shares)	195,000