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10. Segment and Geographic Information (Details - Product license fees) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Product license fees and royalties $ 0 $ 44,000 $ 0 $ 231,000
Exeltis [Member]        
Product license fees and royalties 0 44,000 0 202,000
Innovacyn [Member]        
Product license fees and royalties $ 0 $ 0 $ 0 $ 29,000