Income (Loss) Per Share (Reconciliation Between Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income (Loss) Per Share [Abstract]
Income (loss) from continuing operations before discontinued operations	$ 270	$ (1,262)	$ (266)	$ (981)
Loss on sale of discontinued operations, net of income taxes			(164)
Loss from discontinued operations, net of income taxes	(15)	(265)	(128)	(565)
Net income (loss)	255	(1,527)	(558)	(1,546)
Less: Loss allocated to non-controlling interest	(355)	(37)	(740)	(71)
Net income (loss) attributable to IntriCon shareholders	$ 610	$ (1,490)	$ 182	$ (1,475)
Basic - weighted shares outstanding	6,845	6,370	6,828	6,078
Weighted shares assumed upon exercise of stock options	342
Diluted - weighted shares outstanding	7,187	6,370	6,828	6,078
Continuing operations	$ 0.09	$ (0.19)	$ 0.07	$ (0.15)
Discontinued operations	0.00	(0.04)	(0.04)	(0.09)
Net income (loss) per share:	0.09	(0.23)	0.03	(0.24)
Continuing operations	0.09	(0.19)	0.07	(0.15)
Discontinued operations	0.00	(0.04)	(0.04)	(0.09)
Net income (loss) per share:	$ 0.08	$ (0.23)	$ 0.03	$ (0.24)