Loss per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Earnings Per Share Basic and Diluted [Line Items]
Net loss attributable to Innodata Inc. and Subsidiaries	$ (983)	$ (2,766)	$ (1,778)	$ 3	$ (593)	$ 406	$ (799)	$ (1,840)	$ (5,524)	$ (2,826)	$ (974)
Weighted average common shares outstanding									25,542	25,401	25,232
Dilutive effect of outstanding options									0	0	0
Adjusted for dilutive computation									25,542	25,401	25,232