DERIVATIVE INSTRUMENTS (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended
	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2020	Jun. 30, 2018	Nov. 30, 2019
Derivative instruments
Proceeds from exercise of warrants			$ 286
Underwritten Public Offering, June 2018
Derivative instruments
Proceeds allocated to warrant liability		$ 13,200
Derivative warrant liability		25,200		$ 25,200
Derivative loss				$ 12,000
Reclassification of derivative warrant liability to additional paid-in capital		$ 287
Placement Agent Warrants
Derivative instruments
Warrant Exercise Price			$ 3.4375
2018 Series A Warrant
Derivative instruments
Warrant Exercise Price			6.98		$ 6.98
2018 Series A Warrant | Underwritten Public Offering, June 2018
Derivative instruments
Warrant Exercise Price		$ 60.00		$ 60.00
2018 Series B Warrant Exercise price $.01 | Underwritten Public Offering, June 2018
Derivative instruments
Warrant Exercise Price		$ 0.30		$ 0.30
2014 Warrant Exercise price $11.75
Derivative instruments
Warrant Exercise Price			$ 352.50
2018 Warrants
Derivative instruments
Fair value adjustment of warrants	$ 764
Warrant reclassified to equity	$ 14,700