Redeemable Preferred Stock (Detail Textuals)	0 Months Ended	6 Months Ended		0 Months Ended
	May 08, 2013 USD ($)	Jun. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	May 08, 2013 Securities Purchase Agreement Air Liquide Series C Redeemable Convertible Preferred Stock USD ($)	May 08, 2013 Securities Purchase Agreement Air Liquide Series C Redeemable Convertible Preferred Stock EUR (€)
Temporary Equity [Line Items]
Number of shares agreed to issue and sell to Air Liquide		10,431	0	10,431	10,431
Convertible preferred stock, par value (in dollars per share)		$ 0.01	$ 0.01	$ 0.01
Aggregate purchase price for agreement				$ 2,595,400	€ 2,000,000
Net proceeds from sale of stock consideration after payment of fees & expenses	$ 2,451,079
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	$ 0.248794	$ 0.236529
Number of warrants exercised	16,096,400
Warrants exercise price (in dollars per share)	0.15