CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 23,340	$ 31,989
Accounts receivable, net	21,722	23,314
Prepaid expenses	7,198	7,885
Other current assets	672	704
Total current assets	52,932	63,892
Non-current assets:
Property and equipment, net	7,306	7,321
Operating lease right-of-use assets	9,803	10,526
Goodwill	99,175	99,175
Deferred income tax assets, net	45,348	46,260
Other non-current assets	451	510
Total non-current assets	162,083	163,792
Total assets	215,015	227,684
Current liabilities:
Accounts payable	3,809	5,969
Accrued compensation and benefits	3,419	7,284
Deferred revenue	24,998	26,298
Operating lease liabilities	3,773	4,184
Other current liabilities	3,890	4,273
Total current liabilities	39,889	48,008
Non-current liabilities:
Asset retirement obligations	7,205	7,191
Operating lease liabilities	6,630	6,902
Other non-current liabilities	1,122	1,812
Total non-current liabilities	14,957	15,905
Total liabilities	54,846	63,913
Commitments and contingencies (Note 12)
Stockholders' equity:
Preferred stock	0	0
Common stock	2	2
Additional paid-in capital	101,656	102,936
Accumulated other comprehensive loss	(1,722)	(1,764)
Retained earnings	60,233	62,597
Total stockholders’ equity	160,169	163,771
Total liabilities and stockholders' equity	$ 215,015	$ 227,684