Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Related Party Transactions (Details Textual)

v3.19.1
Note 11 - Related Party Transactions (Details Textual) - Moores Cancer Center at University of California San Diego [Member] - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Extension for Services Agreement, Amount, Related Parties $ 300,000  
us-gaap_ResearchAndDevelopmentExpenseMember    
Related Party Transaction, Amounts of Transaction $ 62,000 $ 61,000