Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 4,858	$ 36,423
Restricted cash	43,339	0
Short-term investments	51,092	72,240
Receivables
Trade, less allowance for credit losses of $184 as of both December 31, 2022 and 2021	959	1,341
Related parties, less allowance for credit losses of $0 and $1,509 as of December 31, 2022 and 2021	19	73
Other	12,826	566
Inventory	287	326
Prepaid expenses and other	4,779	5,471
Current assets held for sale	0	40,188
Total current assets	118,159	156,628
Long-term investments	0	48,562
Property, plant and equipment, net	7,329	8,599
Intangible assets, net	44,455	52,291
Goodwill	36,923	37,554
Right-of-use assets	8,086	9,990
Other assets	1,025	936
Noncurrent assets held for sale	0	45,296
Total assets	215,977	359,856
Current liabilities
Accounts payable	4,068	3,112
Accrued compensation and benefits	6,377	7,856
Other accrued liabilities	23,747	7,817
Deferred revenue	25	1,490
Current portion of long-term debt	43,219	52
Current portion of lease liabilities	1,209	1,393
Related party payables	0	74
Current liabilities held for sale	0	12,851
Total current liabilities	78,645	34,645
Long-term debt, net of current portion	0	179,882
Long-term portion of deferred revenue	1,818	23,023
Lease liabilities, net of current portion	6,992	8,747
Deferred tax liabilities	2,263	2,539
Long-term liabilities held for sale	0	3,672
Total liabilities	89,718	252,508
Commitments and Contingencies
Shareholders' equity
Common stock, no par value, 400,000,000 shares authorized as of December 31, 2022 and 2021; and 208,150,021 shares and 206,739,874 shares issued and outstanding as of December 31, 2022 and 2021, respectively	0	0
Additional paid-in capital	1,998,314	2,022,701
Accumulated deficit	(1,868,567)	(1,915,556)
Accumulated other comprehensive (loss) income	(3,488)	203
Total shareholders' equity	126,259	107,348
Total liabilities and shareholders' equity	$ 215,977	$ 359,856