CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Revenues	$ 49,929	$ 50,539
Operating expenses
Direct costs and expenses for advisors	31,368	30,438
Selling, general and administrative	16,711	16,410
Depreciation and amortization	1,718	1,718
Operating income	132	1,973
Interest income	22	2
Interest expense	(428)	(498)
Foreign currency transaction (loss) gain	(506)	374
(Loss) income before taxes	(780)	1,851
Income tax (benefit) provision	(129)	944
Net (loss) income	(651)	907
Net income attributable to noncontrolling interest	48	54
Net (loss) income attributable to ISG	$ (699)	$ 853
Weighted average shares outstanding:
Basic (in shares)	37,340	37,032
Diluted (in shares)	37,340	38,490
(Loss) earnings per share attributable to ISG:
Basic (in dollars per share)	$ (0.02)	$ 0.02
Diluted (in dollars per share)	$ (0.02)	$ 0.02
Comprehensive loss:
Net (loss) income	$ (651)	$ 907
Foreign currency translation, net of tax (expense) benefit of $(390) and $945	636	(1,439)
Comprehensive loss	(15)	(532)
Comprehensive income attributable to noncontrolling interest	48	54
Comprehensive loss attributable to ISG	$ (63)	$ (586)