Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Total revenues	$ 1,774,718,000	$ 1,435,413,000	$ 901,935,000
Costs and expenses:
Selling, general and administrative	468,857,000	355,573,000	343,305,000
Research and development	76,850,000	75,316,000	117,870,000
Contingent consideration	(1,703,000)	(3,989,000)	(14,854,000)
Amortization of intangible assets	50,278,000	56,391,000	64,783,000
Asset impairment charges	0	0	92,399,000
Gain on sale of assets	(31,508,000)	0	0
Total costs and expenses	1,755,968,000	1,377,699,000	1,175,987,000
Operating income (loss)	18,750,000	57,714,000	(274,052,000)
Other income and (expense), net:
Interest income	28,000	152,000	1,710,000
Interest expense	(18,880,000)	(21,934,000)	(21,516,000)
Fair value changes of derivative instruments, net	846,000	50,000	174,000
Other income (expense), net	(14,770,000)	12,701,000	(11,281,000)
Other income and (expense), net	(32,776,000)	(9,031,000)	(30,913,000)
Income (loss) before income taxes and investment losses	(14,026,000)	48,683,000	(304,965,000)
Income tax provision	(15,489,000)	(17,617,000)	(7,060,000)
Net income (loss) before investment losses	(29,515,000)	31,066,000	(312,025,000)
Loss from investments in investees	(629,000)	(480,000)	(2,900,000)
Net income (loss)	$ (30,143,000)	$ 30,586,000	$ (314,925,000)
Income (loss) per share basic and diluted:
Income (loss) per share, basic (in dollars per share)	$ (0.05)	$ 0.05	$ (0.53)
Income (loss) per share, diluted (in dollars per share)	$ (0.05)	$ 0.05	$ (0.53)
Weighted average common shares outstanding, basic (in shares)	648,077,716	640,655,290	595,454,394
Weighted average common shares outstanding, diluted (in shares)	648,077,716	640,655,290	595,454,394
Services
Revenues:
Total revenues	$ 1,607,106,000	$ 1,262,242,000	$ 716,434,000
Costs and expenses:
Cost of service/product revenue	1,102,172,000	823,899,000	511,206,000
Products
Revenues:
Total revenues	141,770,000	119,952,000	112,184,000
Costs and expenses:
Cost of service/product revenue	91,022,000	70,509,000	61,278,000
Transfer of intellectual property and other
Revenues:
Total revenues	$ 25,842,000	$ 53,219,000	$ 73,317,000