Redeemable Preferred Stock (Details) (USD $)				9 Months Ended					0 Months Ended
	Sep. 30, 2014	Jan. 15, 2014	Dec. 31, 2013	Sep. 30, 2014 Warrants with exercise price of $0.15	Sep. 30, 2014 Warrants with exercise price of $0.18	Sep. 30, 2014 Series C Preferred Stock	Aug. 26, 2014 Series C Preferred Stock	Jun. 30, 2014 Series C Preferred Stock	Aug. 26, 2014 Air Liquide Series C Preferred Stock	May 08, 2013 Air Liquide Series C Preferred Stock item	Sep. 30, 2014 Air Liquide Series C Preferred Stock
Redeemable preferred stock
Preferred stock issued	5,231		10,431				5,200			10,431	5,231
Preferred stock issued, par value	$ 0.01		$ 0.01							$ 0.01
Original issue price										$ 2,595,400
Net proceeds, after fees and expenses										$ 2,371,080
Number of directors entitled to designate on board under Securities Purchase Agreement										1
Minimum percentage holding of common stock on conversion of preferred stock										5.00%
Minimum percentage holding of on an as-converted basis of preferred stock										50.00%
Dividend rate						8.00%
Conversion price per share							$ 0.2343	$ 0.248794
Number of warrants				18,846,400	1,891,000
Warrants exercise price (in dollars per share)		$ 4.00		$ 0.15	$ 0.18
Conversion of preferred stock (in shares)									5,521,676
Adjusted conversion price per share	$ 0.2343