Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 114,555	$ 80,428
Available-for-sale debt securities		60,534
Accounts receivable, net of allowance for credit losses of $713 and $934, respectively	58,480	64,187
Unbilled contracts receivable, net	73,754	26,715
Other current assets	11,924	10,490
Current assets of discontinued operations		277,120
Total current assets	258,713	519,474
Long-term unbilled contracts receivable	40,705	282
Property and equipment, net	4,550	4,936
Operating lease right-of-use assets	5,993	6,640
Intangible assets, net	432,476	546,982
Goodwill	313,660	314,576
Long-term income tax receivable	113,679	118,059
Other long-term assets	40,750	9,646
Long-term assets of discontinued operations		949,427
Total assets	1,210,526	2,470,022
Current liabilities:
Accounts payable	8,546	448
Accrued legal fees	4,942	4,980
Accrued liabilities	26,335	21,752
Current portion of long-term debt	109,813	36,095
Deferred revenue	17,076	6,975
Current liabilities of discontinued operations		119,497
Total current liabilities	166,712	189,747
Deferred revenue, less current portion	10,683	13,443
Long-term deferred tax liabilities		7,077
Long-term debt, net	619,580	729,392
Noncurrent operating lease liabilities	4,794	5,641
Long-term income tax payable	87,302	91,445
Other long-term liabilities	20,043	3,792
Long-term liabilities of discontinued operations		89,057
Total liabilities	909,114	1,129,594
Commitments and contingencies (Note 17)
Company stockholders’ equity:
Preferred stock: $0.001 par value; authorized (2022: 15,000 shares; 2021: 15,000 shares) and no shares issued and outstanding
Common stock: $0.001 par value; (2022: authorized 350,000 shares, issued 113,460 shares, outstanding 103,260 shares; 2021: authorized 350,000 shares, issued 113,460 shares, outstanding 103,260 shares)	117	113
Additional paid-in capital	636,266	1,340,480
Treasury stock at cost (2022: 11,879 shares; 2021: 10,200 shares)	(211,223)	(178,022)
Accumulated other comprehensive loss	(51)	(752)
Retained earnings (accumulated deficit)	(123,697)	187,814
Total Company stockholders’ equity	301,412	1,349,633
Noncontrolling interest		(9,205)
Total equity	301,412	1,340,428
Total liabilities and equity	$ 1,210,526	$ 2,470,022