Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Summary of Stock-based Compensation Cost Charged Against Income

Stock-based compensation expense for the six months ended June 30, 2022 and 2021 was as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
	(Unaudited)				(Unaudited)
Instructional costs and services	$	408	$	389	$	867	$	855
Selling and promotional	216		255		512		564
General and administrative	1,726		1,341		3,327		2,746
Total stock-based compensation expense	$	2,350	$	1,985	$	4,706	$	4,165