Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Rollforward (Details)

v3.20.2
Fair Value Measurements - Rollforward (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Fair Value, Assets Measured on Recurring Basis [Roll Forward]        
Change in fair value $ 0 $ 0 $ 0 $ (1,256,210)
Contingent consideration | Recurring basis | Level 3        
Fair Value, Assets Measured on Recurring Basis [Roll Forward]        
Beginning balance       1,256,210
Change in fair value       (1,256,210)
Ending balance   $ 0   $ 0