| | |||||||
| 2013 | | 2012 | |||||
Conversion of convertible debt to common stock | | $ | 523,927 | | | $ | 924,904 | |
Preferred dividends paid by issuance of stock | | | | | | | 82,500 | |
Business combination: | | | | | | | | |
Issuance of Series E liability | | | | | | | 18,955,742 | |
Issuance of contingent consideration | | | | | | | 11,109,020 | |
Issuance of replacement warrants | | | | | | | 1,883,751 | |
Common stock issued in satisfaction of subscription receivable | | | | | | | 2,790,107 | |
Effect of cancellation of escrowed shares | | | | | | | 195,132 | |
Obligation to issue shares for professional services | | | | | | | 30,000 | |
Effect of modification of convertible debt | | | 151,032 | | | | | |
Common Stock issued for committed equity financing facility | | | 204,015 | | | | | |
Warrants issued for term loan modification | | | 151,758 | | | | | |
Warrants issued for term loan | | | 568,324 | | | | | |
Common stock and warrants issued for release of security interest in patents | | | 325,693 | | | | | |
Warrants issued in connection with convertible debt | | | 1,353,842 | | | | | |
Derivative liability for embedded conversion option | | | 965,484 | | | | | |
Common stock issued for professional services | | | 17,850 | | | | | |
Common stock issued for settlement of contingency | | | 39,150 | | | | | |