Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets
Cash and cash equivalents	$ 37,840	$ 65,793
Short-term investments	111,332	9,260
Receivables
Trade, less allowance for credit losses of $5,725 and $5,201 as of March 31, 2020 and December 31, 2019, respectively	19,376	20,650
Related parties, less allowance for credit losses of $2,312 as of March 31, 2020 and December 31, 2019	252	600
Other	351	4,978
Inventory	14,636	16,097
Prepaid expenses and other	5,596	6,444
Current assets held for sale	0	110,821
Total current assets	189,383	234,643
Property, plant and equipment, net	59,627	60,969
Intangible assets, net	65,489	68,346
Goodwill	63,703	63,754
Investments in affiliates	1,108	1,461
Right-of-use assets	24,036	25,228
Other assets	1,326	1,362
Total assets	404,672	455,763
Current liabilities
Accounts payable	4,777	5,917
Accrued compensation and benefits	7,209	14,091
Other accrued liabilities	9,972	12,049
Deferred revenue, including $0 and $877 from related parties as of March 31, 2020 and December 31, 2019, respectively	11,141	5,697
Lines of credit	1,205	1,922
Current portion of long-term debt, including $31,446 and $31,211 to related parties as of March 31, 2020 and December 31, 2019, respectively	31,886	31,670
Current portion of lease liabilities	4,308	4,182
Related party payables	139	51
Current liabilities held for sale	0	47,333
Total current liabilities	70,637	122,912
Long-term debt, net of current portion, including $25,000 to related parties as of March, 31, 2020 and December 31, 2019	188,730	186,321
Deferred revenue, net of current portion, including $31,020 and $30,182 from related parties as of March 31, 2020 and December 31, 2019, respectively	32,877	48,136
Lease liabilities, net of current portion	22,414	23,849
Deferred tax liabilities	2,785	2,834
Total liabilities	317,443	384,052
Commitments and contingencies (Note 16)
Total shareholders' equity
Common stock, no par value, 400,000,000 shares authorized as of March 31, 2020 and December 31, 2019; 170,656,834 shares and 163,274,880 shares issued and outstanding as of March 31, 2020 and December 31, 2019, respectively	0	0
Additional paid-in capital	1,797,450	1,752,048
Accumulated deficit	(1,708,867)	(1,652,869)
Accumulated other comprehensive loss	(1,354)	(27,468)
Total shareholders' equity	87,229	71,711
Total liabilities and shareholders' equity	$ 404,672	$ 455,763