Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 43,844	$ 36,423
Short-term investments	71,453	72,240
Receivables
Trade, less allowance for credit losses of $184 as of June 30, 2022 and December 31, 2021	1,307	1,341
Related parties, less allowance for credit losses of $1,509 as of June 30, 2022 and December 31, 2021	18	73
Other	546	566
Inventory	224	326
Prepaid expenses and other	2,654	5,471
Current assets held for sale	44,573	40,188
Total current assets	164,619	156,628
Long-term investments	11,877	48,562
Property, plant and equipment, net	7,726	8,599
Intangible assets, net	45,933	52,291
Goodwill	36,864	37,554
Right-of-use assets	8,944	9,990
Other assets	921	936
Noncurrent assets held for sale	44,340	45,296
Total assets	321,224	359,856
Current liabilities
Accounts payable	2,668	3,112
Accrued compensation and benefits	4,864	7,856
Other accrued liabilities	9,666	7,817
Deferred revenue	164	1,490
Current portion of long-term debt	0	52
Current portion of lease liabilities	1,033	1,393
Related party payables	58	74
Current liabilities held for sale	11,448	12,851
Total current liabilities	29,901	34,645
Long-term debt, net of current portion	198,674	179,882
Deferred revenue, net of current portion, including $21,205 from related parties as of June 30, 2022 and December 31, 2021	23,023	23,023
Lease liabilities, net of current portion	8,098	8,747
Deferred tax liabilities	2,260	2,539
Long-term liabilities held for sale	3,615	3,672
Total liabilities	265,571	252,508
Commitments and contingencies (Note 16)
Shareholders' equity
Common stock, no par value, 400,000,000 shares authorized as of June 30, 2022 and December 31, 2021; 208,150,021 shares and 206,739,874 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively	0	0
Additional paid-in capital	1,993,979	2,022,701
Accumulated deficit	(1,933,770)	(1,915,556)
Accumulated other comprehensive (loss) income	(4,556)	203
Total shareholders' equity	55,653	107,348
Total liabilities and shareholders' equity	$ 321,224	$ 359,856