Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Income Statement [Abstract]
Service revenues	$ 53,515	$ 71,923	$ 96,918	$ 272,386
Product revenues	13,159	34,617	47,129	100,332
Total net revenues	66,674	106,540	144,047	372,718
Cost of services	47,883	60,285	132,234	200,697
Cost of products	7,683	17,032	26,628	47,716
Gross profit (loss)	11,108	29,223	(14,815)	124,305
Operating expenses:
Research, development and engineering	6,537	10,910	21,496	30,254
Marketing and sales	6,904	8,480	23,375	27,610
General, administrative and other operating expenses	10,541	15,182	40,566	48,334
Total operating expenses	23,982	34,572	85,437	106,198
Income (loss) from operations	(12,874)	(5,349)	(100,252)	18,107
Interest expense, net	(4,854)	(5,048)	(14,086)	(14,779)
Equity in losses of investments	0	(5,558)	0	(9,027)
Other income (expense), net	(346)	(622)	98,035	73,970
Income (loss) before income taxes	(18,074)	(16,577)	(16,303)	68,271
Income tax expense	2,082	8,345	3,597	14,261
Net income (loss)	(20,156)	(24,922)	(19,900)	54,010
Net (income) loss attributable to noncontrolling interests	(227)	381	322	(1,384)
Net income (loss) attributable to ION	$ (20,383)	$ (24,541)	$ (19,578)	$ 52,626
Net income (loss) per share:
Basic, in dollars per share	$ (0.12)	$ (0.15)	$ (0.12)	$ 0.32
Diluted, in dollars per share	$ (0.12)	$ (0.15)	$ (0.12)	$ 0.32
Weighted average number of common shares outstanding:
Basic, in shares	164,755	164,149	164,672	164,021
Diluted, in shares	164,755	164,149	164,672	164,326