Selected Quarterly Information — (Unaudited)

A summary of selected quarterly information follows (in thousands, except per share amounts):



	Three Months Ended
	March 31, 2018			June 30, 2018			September 30, 2018			December 31, 2018
Service revenues	$	25,086		$	15,752		$	37,105		$	61,095
Product revenues	8,422			8,991			10,095			13,499
Total net revenues	33,508			24,743			47,200			74,594
Gross profit (loss)	6,853			(1,517		)	16,475			37,809
Loss from operations	(12,640		)	(22,519		)	(2,452		)	(16,661		)
Interest expense, net	(3,836		)	(2,911		)	(3,022		)	(3,203		)
Other income (expense), net	(791		)	84			91			180
Income tax expense (benefit)	1,072			154			2,079			(587		)
Net income attributable to noncontrolling interests	(87		)	(366		)	(74		)	(246		)
Net loss applicable to ION	$	(18,426	)	$	(25,866	)	$	(7,536	)	$	(19,343	)
Net loss per share:
Basic	$	(1.44	)	$	(1.86	)	$	(0.54	)	$	(1.38	)
Diluted	$	(1.44	)	$	(1.86	)	$	(0.54	)	$	(1.38	)



	Three Months Ended
	March 31, 2017			June 30, 2017			September 30, 2017			December 31, 2017
Service revenues	$	23,828		$	34,454		$	52,615		$	48,513
Product revenues	8,728			11,547			8,480			9,389
Total net revenues	32,556			46,001			61,095			57,902
Gross profit	6,101			15,618			30,109			23,811
Income (loss) from operations	(13,912		)	(3,572		)	9,936			(1,151		)
Interest expense, net	(4,464		)	(4,241		)	(3,959		)	(4,045		)
Other income (expense), net	(5,068		)	192			722			209
Income tax expense (benefit)	(418		)	2,402			1,686			(3,646		)
Net income attributable to noncontrolling interests	(316		)	(418		)	(78		)	(53		)
Net income (loss) applicable to ION	$	(23,342	)	$	(10,441	)	$	4,935		$	(1,394	)
Net income (loss) per share:
Basic	$	(1.98	)	$	(0.88	)	$	0.42		$	(0.12	)
Diluted	$	(1.98	)	$	(0.88	)	$	0.41		$	(0.12	)

The sum of the quarterly per share information may not tie to per share information in the Consolidated Statements of Operations due to rounding.