Lease (Details)  | 
9 Months Ended | 
|---|---|
| 
 Sep. 30, 2019  
USD ($) 
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| Finance lease: | |
| Amortization of assets, included in depreciation and amortization expense | $ 509,647 | 
| Interest on lease liabilities, included in interest expense | 129,953 | 
| Operating lease: | |
| Amortization of assets, included in total operating expense | 50,987 | 
| Interest on lease liabilities, included in total operating expense | 17,899 | 
| Total net lease cost | $ 708,486 | 
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- Definition Amount of lease cost recognized by lessee for lease contract. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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