Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2013

Accounting Policies [Abstract]

Inventory

Inventory consisted of the following at September 30, 2013 and December 31, 2012:

	September 30, 2013		December 31, 2012
Raw materials	$	122,961	$	154,485
Finished goods		9,595		3,753
Total inventory, net	$	132,556	$	158,238

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 are as follows:

	As of September 30,
	2013	2012
Options outstanding	1,603,150	1,830,767
Warrants outstanding	37,269,125	2,187,158
Convertible preferred stock	—	39,089,161
Convertible debt	—	2,521,222
Total	38,872,275	45,628,308