Notes Payable and Debt (Tables)

12 Months Ended

Dec. 31, 2012

Notes Payable and Debt [Abstract]

Convertible Notes Payable to Significant Stockholders

	December 31,
Convertible Notes Payable to Significant Stockholders	2012		2011
Unsecured convertible promissory note; interest rate of 5%; due December 31, 2010	$	—	$	4,655,173
Unsecured convertible promissory note; interest rate of 5%; due December 31, 2010		—		10,000,000
Unsecured convertible promissory note; interest rate of 5%; due December 31, 2010		—		2,172,415
Unsecured convertible promissory note; interest rate of 5%; due December 31, 2010		—		5,000,000
Aggregate carrying value	$	—	$	21,827,588

Summary of Notes Payable to Significant Stockholder

	December 31,
Notes Payable to Significant Stockholder	2012		2011
Unsecured demand note payable; interest rate of 7%: issued December 2009	$	350,000	$	350,000
Unsecured demand notes payable; interest rate of 7%: issued January 2010 — December 2010		3,310,000		3,310,000
Unsecured demand notes payable; interest rate of 7%: issued January 2011 — December 2011		2,240,000		2,240,000
Unsecured demand notes payable; interest rate of 7%: issued January 2012 — September 2012		510,000		—
		6,410,000		5,900,000
Accrued interest		919,526		486,691
Aggregate carrying value	$	7,329,526	$	6,386,691