Convertible Notes (Details) (USD $)	0 Months Ended				3 Months Ended		6 Months Ended		0 Months Ended		0 Months Ended		1 Months Ended
	May 22, 2013	May 16, 2013	Jan. 31, 2013	Jan. 29, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Jan. 31, 2013 1.27% Convertible Notes	Jan. 31, 2012 1.27% Convertible Notes	Jan. 31, 2013 2.45% Convertible Notes	Jul. 26, 2012 2.45% Convertible Notes	Apr. 30, 2013 2.45% Convertible Notes	Nov. 14, 2012 2.45% Convertible Notes	Mar. 16, 2010 2.45% Convertible Notes	Mar. 16, 2010 2.45% Convertible Notes Put Option
Convertible Notes
Debt issued										$ 900,000					$ 1,250,000
Interest rate (as a percent)										1.27%					2.45%
Fair value of Convertible Note															900,000
Put option liability																111,000
Accelerated repayment of notes in cash at the time of initial public offering												625,000
Amount of debt to be converted at the time of the initial public offering												625,000
Number of shares of common stock issued upon conversion of debt			166,769						99,856		66,913		67,198
Amount of deferred repayment														625,000
Principal amount of convertible debt			1,400,000								625,000		625,000
Share price (in dollars per share)	$ 14.50	$ 14.50	$ 10.00	$ 10.00					$ 10.00		$ 10.00		$ 10.00
Beneficial conversion charge									125,000
Conversion price as a percentage of IPO price per share									87.50%
Interest expenses related to amortization of debt discount					$ 0	$ 17,720	$ 76,355	$ 36,071