LICENSE AGREEMENTS AND COMMITMENTS - MabVax sublicense agreement (Details) - MabVax sublicense agreement - USD ($) $ in Thousands		1 Months Ended	3 Months Ended
	Jun. 27, 2018	Jun. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Agreements
License fee paid	$ 700	$ 600
License fee expense				$ 700
Continuation fee				$ 600
Continuation fee paid			$ 600
Development milestone payments due	$ 1,400