NET INCOME PER COMMON SHARE (Tables)

6 Months Ended

Jun. 30, 2018

NET INCOME PER COMMON SHARE

Schedule of computation of basic and diluted earnings per share

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Basic:
Net income (loss) attributable to ISG	$	2,362	$	(302)	$	2,526	$	(908)
Weighted average common shares		44,655		43,058		44,180		42,687
Earnings (loss) per share attributable to ISG	$	0.05	$	(0.01)	$	0.06	$	(0.02)
Diluted:
Net income (loss) attributable to ISG	$	2,362	$	(302)	$	2,526	$	(908)
Interest expense of convertible debt, net of tax		—		—		—		—
Net income (loss) attributable to ISG, as adjusted	$	2,362	$	(302)	$	2,526	$	(908)
Basic weighted average common shares		44,655		43,058		44,180		42,687
Potential common shares		1,431		—		1,793		—
Diluted weighted average common shares		46,086		43,058		45,973		42,687
Diluted earnings (loss) per share attributable to ISG	$	0.05	$	(0.01)	$	0.05	$	(0.02)