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5. Leases (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Leases Details 1Abstract    
2019 (remaining) $ 188,730  
2020 106,226  
Total undiscounted operating lease payments 294,956  
Less: Imputed interest (3,888)  
Present value of operating lease liabilities 291,068  
Operating lease liabilities 205,958 $ 0
Long-term operating lease liabilities 85,110 $ 0
Total operating lease liabilities $ 291,068  
Weighted-average remaining lease term for operating leases 1 year 1 month 28 days  
Weighted-average discount rate for operating leases 10.00%