CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 60,132	$ 100,385
Accounts receivable, net	62,730	25,981
Prepaid expenses	6,465	5,556
Income taxes receivable	3,095	10,996
Investment in equity securities	49,746
Other current assets	13,733	11,336
Total current assets	195,901	154,254
Property and equipment, net of accumulated depreciation of $44,229 and $38,188 respectively	25,247	20,959
Right-of-use assets	10,695	18,139
Long-term deferred tax asset		3,601
Intangible assets, net	29,049	29,049
Goodwill, net	334,680	334,680
Investment in equity securities, long-term		10,773
Other assets	2,969	7,528
Total assets	598,541	578,983
Current liabilities:
Accounts payable	25,325	19,741
Accrued salaries and benefits	11,825	8,949
Accrued liabilities	28,270	18,424
Deferred revenue	3,371	4,460
Current portion of long-term debt		7,456
Current portion of lease liabilities	8,007	8,052
Current portion of other long-term liabilities	10,625	14,753
Total current liabilities	87,423	81,835
Long-term debt	380,504	459,250
Long-term lease liabilities	3,487	11,494
Long-term deferred tax liability	3,183
Other long-term liabilities	5,037	22,748
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, 49,800,756 and 48,983,735 shares outstanding, respectively	50	49
Additional paid-in capital	514,461	513,263
Accumulated deficit	(359,171)	(464,085)
Treasury stock, at cost, 2,254,953 shares in treasury	(28,182)	(28,182)
Accumulated other comprehensive loss	(8,251)	(17,389)
Total stockholders' equity	118,907	3,656
Total liabilities and stockholders' equity	$ 598,541	$ 578,983