Subsequent Events (Details Textual) (USD $)	6 Months Ended				0 Months Ended		6 Months Ended	1 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 26, 2013	Dec. 31, 2012	Jul. 15, 2013 Subsequent Event [Member]	Jul. 16, 2013 Underwriting Agreement [Member] Subsequent Event [Member]	Jun. 30, 2013 Underwriting Agreement [Member] Subsequent Event [Member]	Jul. 31, 2013 Dividend Declared [Member] Subsequent Event [Member]	Jul. 15, 2013 Dividend Declared [Member] Subsequent Event [Member]
Subsequent Events (Textual) [Abstract]
Dividend declared per share			$ 0.045
Dividend paid	$ 2,275,896	$ 2,201,918						$ 389,101
Shares outstanding	8,646,678			8,369,752					8,646,678
Dividend payable record date					Jul. 15, 2013
Number of shares for public offering						1,500,000
Price per share, public offering						$ 10.00
Common stock, par value	$ 0.15			$ 0.15		$ 0.15
Underwriting Discount						5.75%
Number of days option to purchase additional shares						30 days
Maximum additional common shares available to purchase via over allotment option						225,000
Amount received for the offering							$ 16,158,125