Public Offerings (Details) (USD $)	0 Months Ended	6 Months Ended
	Mar. 07, 2013	Jun. 17, 2014	Jun. 11, 2013	Mar. 25, 2014	Dec. 31, 2013	Apr. 10, 2013
Stockholders' Equity [Abstract]
Number of shares sold by shareholders	4,750,000
Number of shares sold to cover over allotments						150,000
Proceeds from offering	$ 0
Secondary public offering costs	$ 400,000	$ 5,000	$ 412,000
Preferred stock, shares authorized		10,000,000			10,000,000
Preferred stock, par value per share		$ 0.001		$ 0.001	$ 0.001
Common stock, shares authorized		190,000,000			190,000,000
Common stock, par value per share		$ 0.001		$ 0.001	$ 0.001
Common stock, shares issued		23,629,642			23,626,642
Common stock, shares outstanding		23,541,267			23,626,642