4. LICENSING AGREEMENTS (Details)	Apr. 30, 2016 USD ($)
Total Milestone Obligations Expensed To Date	$ 922,000
Potential Future Milestone Obligations	6,675,000
UTSWMC August 2001
Total Milestone Obligations Expensed To Date	173,000
Potential Future Milestone Obligations	300,000
UTSWMC August 2005
Total Milestone Obligations Expensed To Date	85,000
Potential Future Milestone Obligations	375,000
Lonza March 2005
Total Milestone Obligations Expensed To Date	64,000
Potential Future Milestone Obligations	0
Avanir December 2003
Total Milestone Obligations Expensed To Date	100,000
Potential Future Milestone Obligations	1,000,000
Genentech November 2003
Total Milestone Obligations Expensed To Date	500,000
Potential Future Milestone Obligations	$ 5,000,000