Selected Quarterly Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Summary of selected quarterly information

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

	Three Months Ended
	March 31, 2019			June 30, 2019			September 30, 2019			December 31, 2019
Service revenues	$	28,128		$	30,407		$	41,990		$	30,755
Product revenues	8,828			11,368			11,249			11,954
Total net revenues	36,956			41,775			53,239			42,709
Gross profit	9,912			19,583			25,288			5,239
Income (loss) from operations	(15,937		)	(2,553		)	3,858			(9,827		)
Interest expense, net	(3,112		)	(3,111		)	(3,155		)	(3,696		)
Other income (expense), net	(792		)	96			(242		)	(679		)
Income tax expense	1,407			2,719			3,790			148
Net income attributable to noncontrolling interests	(112		)	(335		)	(394		)	(144		)
Net loss applicable to ION	$	(21,360	)	$	(8,622	)	$	(3,723	)	$	(14,494	)
Net loss per share:
Basic	$	(1.52	)	$	(0.61	)	$	(0.26	)	$	(1.02	)
Diluted	$	(1.52	)	$	(0.61	)	$	(0.26	)	$	(1.02	)

	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	)