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LICENSE AGREEMENTS AND COMMITMENTS - MabVax Sublicense Agreement (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 27, 2018
MabVax Sublicense Agreement
Agreements
Development milestone payments due		$ 1,400
SAAA \| MSK
Agreements
Percent of income generated to be paid	20.00%
SAAA \| MabVax
Agreements
Percent of income generated to be paid	20.00%
SADA License Agreement \| MSK
Agreements
Percent of income generated to be paid	25.00%