Deferred Revenues (Tables)

9 Months Ended

Sep. 30, 2021

Deferred Revenue [Abstract]

Summary of Changes in the total deferred revenues balance

Changes in the total deferred revenues balance were as follows:

	For the Three Months Ended September 30,
	2021			2020
Beginning balance	$	1,831		$	1,151
Deferral of revenues		1,410			772
Recognition of deferred revenues		(1,167	)		(589	)
Ending balance	$	2,074		$	1,334
	For the Nine Months Ended September 30,
	2021			2020
Beginning balance	$	1,802		$	853
Deferral of revenues		3,428			1,938
Recognition of deferred revenues		(3,156	)		(1,457	)
Ending balance	$	2,074		$	1,334