The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property by the lessor or lessee, respectively.

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Summary of Significant Accounting Policies - Leases (Details) - USD ($)	9 Months Ended
	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease - right-of-use asset	$ 730,840
Operating leases liabilities, current portion	442,017
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Monthly base rents	38,391
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Monthly base rents	$ 40,730
ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease - right-of-use asset		$ 1,111,214
Operating leases liabilities, current portion		336,647
Operating leases liabilities, long term		394,703
Deferred rent			$ 379,864
Adoption Impact \| ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease - right-of-use asset		1,111,214
Operating leases liabilities, current portion		336,647
Operating leases liabilities, long term		394,703
Deferred rent		$ (379,864)