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Related-Party Transactions - Additional Information (Details) - Cathal Phelan - Advisory and Consulting Services - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Related Party Transaction [Line Items]        
Consulting agreement extended term     12 months  
Consulting fee expense recognized and paid $ 115,200 $ 112,000 $ 249,600 $ 180,000