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9. Segment and Geographic Information (Details - Product license fees) - USD ($)
3 Months Ended 6 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Product license fees and royalties $ 75,000 $ 339,000 $ 150,000 $ 786,000
Exeltis [Member]        
Product license fees and royalties 0 103,000 0 157,000
Innovacyn [Member]        
Product license fees and royalties 0 9,000 0 29,000
Laboratorios Sanfer [Member]        
Product license fees and royalties $ 75,000 $ 227,000 $ 150,000 $ 600,000