ASSETS HELD FOR SALE - Assets Held for sale (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Long Lived Assets Held-for-sale [Line Items]
Net property and equipment	$ 48	$ 48
Total intangibles	10,188	10,188
Net assets held for sale	10,188	10,188
Equipment
Long Lived Assets Held-for-sale [Line Items]
Net property and equipment	48	48
Licensing Agreements
Long Lived Assets Held-for-sale [Line Items]
Total intangibles	10,140	10,140
Total intangibles
Long Lived Assets Held-for-sale [Line Items]
Total intangibles	$ 10,140	$ 10,140