Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 374,711	$ 371,263
Restricted cash	217	194
Accounts receivable, net of allowance for credit losses of $3,127 and $3,223	22,071	17,693
Inventories	6,238	6,526
Prepaids and other current assets	18,012	18,833
Total current assets	421,249	414,509
Property and equipment, net	107,064	109,906
Deferred tax assets, net	44,888	41,439
Goodwill	6,160	6,160
Equity securities, including securities measured at fair value of $82,811 and $82,823	289,124	296,317
Operating lease right-of-use assets	6,364	7,460
Other long-term assets, net	12,540	2,755
Total assets	887,389	878,546
Current liabilities:
Accounts payable	83,621	75,130
Accrued liabilities	68,593	63,614
Unearned revenue	47,123	44,480
Operating lease liabilities, current	3,872	4,410
Other Liabilities, Current	2,910	3,508
Total current liabilities	206,119	191,142
Long-term debt, net	34,207	34,476
Operating lease liabilities, non-current	2,982	3,626
Other long-term liabilities	3,576	3,476
Total liabilities	$ 246,884	$ 232,720
Preferred stock, shares issued	0	0
Stockholders' equity:
Preferred stock, $0.0001 par value, authorized shares - 5,000, issued and outstanding - none	$ 0	$ 0
Common stock, $0.0001 par value, authorized shares - 100,000	5	5
Additional paid-in capital	989,634	982,718
Accumulated deficit	(184,136)	(173,829)
Accumulated other comprehensive loss	(518)	(522)
Treasury stock at cost - 6,247 and 6,151	(164,480)	(162,546)
Total stockholders' equity	640,505	645,826
Total liabilities and stockholders' equity	$ 887,389	$ 878,546