CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 92,076	$ 60,132
Accounts receivable	58,011	62,730
Prepaid expenses	5,420	6,465
Income taxes receivable		3,095
Investment in equity securities	27,366	49,746
Other current assets	8,308	13,733
Total current assets	191,181	195,901
Property and equipment, net of accumulated depreciation of $47,280 and $44,229, respectively	25,721	25,247
Right-of-use assets	8,811	10,695
Intangible assets, net	29,049	29,049
Goodwill, net	334,680	334,680
Other assets	5,723	2,969
Total assets	595,165	598,541
Current liabilities:
Accounts payable	25,376	25,325
Accrued salaries and benefits	4,065	11,825
Accrued liabilities	31,624	28,270
Deferred revenue	3,201	3,371
Income taxes payable	2,774
Current portion of lease liabilities	7,388	8,007
Current portion of other long-term liabilities	2,832	10,625
Total current liabilities	77,260	87,423
Long-term debt	379,960	380,504
Long-term lease liabilities	2,072	3,487
Long-term deferred tax liability	7,789	3,183
Other long-term liabilities	137	5,037
Commitments and contingent liabilities
Stockholders' equity:
Preferred stock $.001 par value, 5,000,000 shares authorized, none outstanding
Common Stock $.001 par value, 120,000,000 shares authorized, 49,854,631 and 49,800,756 shares outstanding, respectively	50	50
Additional paid-in capital	516,113	514,461
Accumulated deficit	(358,590)	(359,171)
Treasury stock, at cost, 2,254,953 shares in treasury	(28,182)	(28,182)
Accumulated other comprehensive loss	(1,444)	(8,251)
Total stockholders' equity	127,947	118,907
Total liabilities and stockholders' equity	$ 595,165	$ 598,541