Year Ended December 31,

2012

2011

Warrant derivative liabilities transferred to equity on waiver of future anti-dilution rights

$

—

$

315,803

Conversion element of convertible promissory notes transferred to equity on modification of terms (See Note 5)

$

—

$

573,923

Conversion element bifurcated on issuance of convertible promissory notes

$

—

$

11,495,163

Interest converted to principal on convertible promissory notes

$

801,645

$

460,383

Beneficial conversion feature related to Series A-1 Convertible Preferred Stock

$

—

$

9,250,009

Inventory transferred to property and equipment

$

—

$

750,501

Accretion on Series A and B convertible preference shares of subsidiary associated with premium

$

—

$

(15,242

)