SUBSEQUENT EVENT (Tables)

9 Months Ended

Sep. 30, 2019

Subsequent Events [Abstract]

Summary of Warrants Outstanding and Warrant Activity

The following table sets forth the Company's warrant activity for the nine months ended September 30, 2019 (in thousands):

			Year-to-Date Warrant Activity
Issued	Exercise Price	Expiration	December 31, 2018	Issued	(Exercised)		September 30, 2019
Jun-2019	$1.47	Jun-2020	—	20,410	—		20,410
Mar-2018	$1.20	Mar-2023	7,211	—	(1,861	)	5,350
Nov-2017	$0.80	Nov-2022	1,992	—	(1,500	)	492
May-2015	$11.83	Nov-2024	28	—	—		28
Nov-2014	$11.04	Nov-2024	27	—	—		27
			9,258	20,410	(3,361	)	26,307

The following table sets forth the Company's warrant activity subsequent to September 30, 2019 which resulted from the exercises and modifications described below:

			Subsequent Event Warrant Activity
Issued	Exercise Price	Expiration	September 30, 2019	(Exercised)		October 31, 2019
Jun-2019	$1.47	Jun-2020	20,410	—		20,410
Mar-2018	$0.95*	Mar-2023	5,350	(3,407	)	1,943
Nov-2017	$0.55*	Nov-2022	492	(5	)	487
May-2015	$11.83	Nov-2024	28	—		28
Nov-2014	$11.04	Nov-2024	27	—		27
			26,307	(3,412	)	22,895

* Exercise price shown (i) reflects modification described below and (ii) subject to further adjustment based on down round provision added by amendment described below.