Preferred Common Stock And Warrants (Details) (USD $)	Dec. 31, 2014
Preferred Common Stock And Warrants
Common shares authorized	95,000,000
Preferred shares authorized	5,000,000
Number of common stock shares to purchase by warrants outstaning and exercisable	150,000
Warrants start range exercise price	$ 3.00
Warrants end range exercise price	$ 3.80