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Leases (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Current    
Prepaid expenses and other current assets $ 54,740  
Noncurrent    
Operating lease right-of-use assets 3,409,930 $ 0
Total lease right-of-use assets 3,464,670  
Current    
Current maturities of operating leases 433,560 0
Noncurrent    
Noncurrent operating leases 3,031,110 $ 0
Total lease liabilities $ 3,464,670  
Operating leases 21 years  
Operating leases 4.39%