Annual report pursuant to section 13 and 15(d)

16. Supplemental Disclosure of Cash Flow Information (Details)

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16. Supplemental Disclosure of Cash Flow Information (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 1,912,283 $ 355,887
Supplemental schedule of non-cash investing and financing activities:    
Conversion of notes payable-related parties and accrued expenses to common stock 1,003,233 160,000
Transfer of restricted cash in satisfaction of accounts payable 274,048 274,048
Equipment financing obligation 359,675 232,066
Conversion of notes payable-related parties and accrued expenses to preferred stock 2,052,000 834,000
Preferred stock converted into common stock $ 6,027,750