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Summary of Significant Accounting Policies - Financial Assets and Liabilities Remeasured on a Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents $ 5,389,414 $ 4,780,107
Current portion of contingent consideration 1,000,000  
Contingent consideration, net of current portion   1,000,000
Level 1    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 5,389,414 4,780,107
Current portion of contingent consideration 0  
Contingent consideration, net of current portion   0
Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Current portion of contingent consideration 0  
Contingent consideration, net of current portion   0
Level 3    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Current portion of contingent consideration $ 1,000,000  
Contingent consideration, net of current portion   $ 1,000,000