CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 182,345	$ 135,294
Marketable securities	1,287	36,888
Accounts receivable	49,799	21,099
Inventories	5,015	5,633
Prepaids and other current assets	10,998	17,867
Total current assets	249,444	216,781
Intangible Assets, Net	102,545	132,388
Goodwill	209,318	204,794
Property, plant and equipment, net	54,035	58,442
Deferred tax assets	206,503	168,342
Other assets	2,283	2,749
Total assets	824,128	783,496
Current liabilities:
Accounts payable	7,016	9,793
Accrued salaries and benefits	12,278	14,177
Convertible notes, short-term	131,490	0
Deferred revenue	21,224	16,932
Other current liabilities	10,731	10,399
Total current liabilities	182,739	51,301
Convertible notes, long-term	0	126,167
Long-term imputed financing obligation	37,471	38,029
Other long-term liabilities	14,381	15,217
Total liabilities	234,591	230,714
Commitments and contingencies (Notes 9 and 13)
Stockholders’ equity:
Convertible preferred stock, $.001 par value: Authorized: 5,000,000 shares Issued and outstanding: no shares at September 30, 2017 and December 31, 2016	0	0
Common stock, $.001 par value: Authorized: 500,000,000 shares Issued and outstanding: 109,778,058 shares at September 30, 2017 and 111,053,734 shares at December 31, 2016	110	111
Additional paid-in capital	1,187,987	1,181,230
Accumulated deficit	(592,863)	(615,051)
Accumulated other comprehensive loss	(5,697)	(13,508)
Total stockholders’ equity	589,537	552,782
Total liabilities and stockholders’ equity	$ 824,128	$ 783,496