Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2013

Accounting Policies [Abstract]

Inventory

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

	June 30, 2013		December 31, 2012
Raw materials	$	98,487	$	154,485
Finished goods		10,549		3,753
Total inventory, net	$	109,036	$	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 June 30,
	2013	2012
Options outstanding	2,417,250	2,100,267
Warrants outstanding	22,842,891	2,587,158
Convertible preferred stock	—	39,089,161
Convertible debt	—	2,521,222
Total	25,260,141	46,297,808