Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Inventory

Inventory consisted of the following at June 30, 2012 and December 31, 2011:

	June 30, 2012		December 31, 2011
Raw materials	$	83,895	$	100,433
Finished goods		4,473		7,325
Total inventory	$	88,368	$	107,758

Potential Common Stock Equivalents Excluded from Calculation of Diluted Net Loss per Share

Potential common stock equivalents excluded from the calculation of diluted net loss per share consists of stock options, warrants, convertible preferred stock and convertible debt as set forth in the table below:

	As of June 30,
	2012		2011
Options outstanding		2,100,267		2,217,267
Warrants outstanding		2,587,158		2,150,000
Convertible preferred stock		39,089,161		28,160,200
Convertible debt		2,521,222		1,937,200
Total		46,297,808		34,464,667