Warrants transactions (Details) (USD $)	Dec. 01, 2013	Dec. 31, 2012	Mar. 30, 2012	Feb. 03, 2012	Jun. 03, 2011
Warrants transactions
The Company issued warrants to various persons, including affiliates of the Company, for services provided to the Company				500,000	1,855,000
Company issued unregistered shares of the Company's stock at an exercise price per share		$ 0.41		$ 3.00	$ 1.05
Term period of exercising of warrants in years				5	5
Company issued unregistered shares of the Company's stock in connection with the acquisition of Cornerstone			300,000
Exercise price per share minimum range for warrants issued in connection with the acquisition of Cornerstone			$ 2.00
Exercise price per share maximum range for warrants issued in connection with the acquisition of Cornerstone			$ 4.00
Company issued unregistered shares of the Company's stock in connection with the issue of Secured Promissory Note		325,000
Company issued additional three-year warrants to purchase unregistered shares of the Company's common stock	400,000
Exercise price per share for additional three-year warrants to purchase unregistered shares of the Company's common stock	$ 0.21