Type	Name	Date
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	11/09/2020
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	09/22/2020
Registration rights agreement	REGISTRATION RIGHTS AGREEMENT	07/09/2020
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	07/09/2020
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	08/23/2019
Registration rights agreement	REGISTRATION RIGHTS AGREEMENT	08/23/2019
Registration rights agreement	REGISTRATION RIGHTS AGREEMENT	02/06/2019
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	02/06/2019
Securities purchase agreement	Securities Purchase Agreement	01/13/2017
Securities purchase agreement	SECURITIES PURCHASE AGREEMENT	10/09/2009