Quarterly report pursuant to Section 13 or 15(d)

11. GOVERNMENT CONTRACTS AND GRANTS AND RELATED REVENUE RECOGNITION (Details)

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11. GOVERNMENT CONTRACTS AND GRANTS AND RELATED REVENUE RECOGNITION (Details) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Mar. 31, 2019
Deferred revenue $ 100,000 $ 100,000 $ 0
Melanoma Cancer Contract Phase 2 [Member]      
Contract revenue 0 0  
Melanoma Cancer Contract Phase 1 [Member]      
Contract revenue 149,625    
Breast Cancer Grant [Member]      
Contract revenue   30,000  
Deferred revenue $ 100,000 $ 100,000