INTANGIBLE ASSETS - Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2013
Goodwill	$ 3,580	$ 3,580
Goodwill, impairment loss	$ 0	$ 0	$ 0
BioSante Pharmaceuticals Inc [Member]
Goodwill				$ 1,800
WellSpring Pharma Services [Member]
Acquisition of WellSpring			$ 1,700

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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