Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Income Statement [Abstract]
Service revenues	$ 13,156	$ 20,080
Product revenues	9,509	20,498
Total net revenues	22,665	40,578
Cost of services	25,837	45,534
Cost of products	5,758	10,832
Gross profit (loss)	(8,930)	(15,788)
Operating expenses:
Research, development and engineering	5,609	7,720
Marketing and sales	4,010	7,833
General, administrative and other operating expenses	11,580	15,348
Total operating expenses	21,199	30,901
Loss from operations	(30,129)	(46,689)
Interest expense, net	(4,734)	(4,625)
Other income (expense), net	120	(3,219)
Income (loss) before income taxes	(34,743)	(54,533)
Income tax expense	293	983
Net income (loss)	(35,036)	(55,516)
Net loss attributable to noncontrolling interests	22	252
Net income (loss) attributable to ION	$ (35,014)	$ (55,264)
Net loss per share:
Basic, in dollars per share	$ (3.30)	$ (5.04)
Diluted, in dollars per share	$ (3.30)	$ (5.04)
Weighted average number of common shares outstanding:
Basic, in shares	10,600	10,971
Diluted, in shares	10,600	10,971