XML 25 R29.htm IDEA: XBRL DOCUMENT v2.4.0.6
Nature of Operations (Detail Textuals 1) (USD $)
1 Months Ended 3 Months Ended
Feb. 28, 2013
Mar. 31, 2013
Dec. 31, 2012
May 08, 2013
Air Liquide Investissements d'Avenir et de Demonstration ("Air Liquide")
Subsequent Event
Dec. 31, 2012
Silicon Valley Bank
Line of Credit
Loan Agreement
Line of Credit Facility [Line Items]          
Borrowing capacity under SVB loan facility         $ 15,000,000
Outstanding amount under loan agreement         3,400,000
Proceeds from issuance of public offerings held in February 2,300,000        
Total liabilities   29,432,555 24,429,699    
Strategic Investment From Joint Venture       6,500,000  
Proceeds from exercise of warrants 435,000 435,000      
Sale-leaseback transaction in real estate in Latham, NY $ 2,600,000