WARRANTS

3 Months Ended

Mar. 31, 2014

WARRANTS

WARRANTS

11. WARRANTS

The following presents information about warrants to purchase Common Stock issued and outstanding at March 31, 2014:

Year Issued	Classification	Number of Warrants	Exercise Price		Date of Expiration
2010	Equity	1,494,603	$	1.40	10/26/2017 — 12/3/2017
2010	Equity	1,318,268	$	1.00	9/26/2015 — 12/3/2015
2011	Equity	16,071	$	1.40	6/17/2018
2011	Equity	343,137	$	3.06	12/21/2016
2012	Equity	36,145	$	1.66	10/5/2019
Total		3,208,224
Weighted average exercise price			$	1.42
Weighted average life in years					3.37