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Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Related Party Transactions [Abstract]        
Revenue recognized from related party $ 40,900 $ 25,900 $ 40,900  
Due from related party       $ 44,900
Charges for services $ 84,600 $ 112,900 $ 188,100  
Accounts payable and accrued expenses       $ 29,600