Type	Name	Date
Securities purchase agreement	Securities Purchase Agreement	10/10/2018
Securities purchase agreement	Securities Purchase Agreement	05/14/2018
Securities purchase agreement	Securities Purchase Agreement	05/10/2017
Securities purchase agreement	Purchase Agreement	09/07/2016
Securities purchase agreement	Purchase Agreement	08/03/2016
Securities purchase agreement	Securities Purchase Agreement, by and among the Company and the Purchasers part thereto	03/11/2014
Securities purchase agreement	Securities Purchase Agreement	03/30/2011
Securities purchase agreement	Securities Purchase Agreement	02/11/2011
Securities purchase agreement	Securities Purchase Agreement	11/12/2010
Securities purchase agreement	Securities Purchase Agreement	07/01/2010
Securities purchase agreement	Securities Purchase Agreement	02/05/2009