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Lease (Tables)
 3 Months Ended
Mar. 31, 2019
Leases [Abstract]  
Schedule of operating lease arrangements

   Mar 31,
2019		 
ASSETS    
Operating lease right-of-use assets  $505,305 
LIABILITIES     
Operating lease liabilities (current)   286,212 
Operating lease liabilities (noncurrent)   239,647 
Schedule of supplemental information related to operating leases

Cash paid for amounts included in the measurement of operating lease liabilities   $ 73,802  
Weighted average remaining lease term     1.86 years  
Weighted average discount rate     0.55 %
Schedule of minimum future annual payments under non-cancellable leases

    Operating leases  
2019 (excluding the three months ended March 31, 2019)   $ 228,117  
2020     258,642  
2021     41,240  
Total future minimum lease payments, undiscounted     527,999  
Less: Imputed interest     (2,140 )
Present value of future minimum lease payments   $ 525,859