Revenue (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2021

Dec. 31, 2020

Revenue

Summary of accounts receivable and unbilled services (including contract assets)

	September 30, 2021		December 31, 2020
Accounts receivable	$	6,233,698	$	8,688,441
Unbilled services	$	907,840		2,511,811
Total accounts receivable and unbilled services		7,141,538		11,200,252
Allowance for doubtful accounts		(142,830)		—
Total accounts receivable and unbilled services, net	$	6,998,708	$	11,200,252

	2020		2019
Accounts receivable	$	8,688,441	$	1,426,874
Unbilled services		2,511,811		1,913,023
Total accounts receivable and unbilled services	$	11,200,252	$	3,339,897

Summary of deferred revenue

	September 30, 2021		December 31, 2020
Deferred revenue	$	7,626,905	$	5,564,124

	2020		2019
Deferred revenue	$	5,564,124	$	4,932,612

Summary of capitalized commission costs and related amortization

	2020		2019
Capitalized commission cost, net	$	509,326	$	—

	2020		2019
Amortization of capitalized commission cost	$	(232,422)	$	—