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Commitments and Contingencies - Contingencies (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2019
Sep. 30, 2019
Sep. 30, 2019
Feb. 28, 2015
Commitments and Contingencies        
Loss contingency   $ 640,000 $ 640,000  
Principal amount       $ 150,000
Tempesta | Termination of Tempesta Royalty License Agreement        
Commitments and Contingencies        
Estimate possible loss   $ 640,000 640,000  
Loss contingency     $ 640,000  
Tempesta | Subsequent event | Termination of Tempesta Royalty License Agreement        
Commitments and Contingencies        
Estimate possible loss $ 640,000      
Cash paid 50,000      
Principal amount $ 550,000      
Number roof shares issued in exchange of cessation of royalty payments 40,000