Merchant Accounts Payable (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Payables and Accruals [Line Items]
Merchant accounts payable	$ 90,735,441		$ 90,735,441		$ 60,933,272
Net interest expense	1,172,541	$ 1,148,508	3,752,268	$ 3,004,047
Merchant Interest Program
Payables and Accruals [Line Items]
Merchant accounts payable	$ 78,605,159		$ 78,605,159		$ 53,528,501
Spread on variable rate (percent)	3.00%		3.00%
Weighted average yield (percent)	3.18%	4.76%	3.23%	6.15%
Net interest expense	$ 620,353	$ 441,986	$ 1,666,420	$ 1,063,182
Deferred payments due on demand (maximum per 7 days)	$ 250,000		$ 250,000