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Commitments and Contingencies - Legal Proceedings (Details)
1 Months Ended 9 Months Ended
Mar. 31, 2017
company
Sep. 30, 2017
individual
company
item
TRX518    
Loss Contingencies    
Number of notices of opposition filed | item   3
Number of major companies that filed notices of opposition   2
Number of individuals that filed notices of opposition | individual   1
TRX518 and Chemotherapeutic    
Loss Contingencies    
Number of notices of opposition filed 10