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, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income (Loss) Per Share [Abstract]
Income (loss) from continuing operations before income taxes and discontinued operations	$ 2,008	$ 328	$ 2,775	$ (50)
Loss on sale of discontinued operations				(164)
Loss from discontinued operations, net of income taxes		(15)		(128)
Net income (loss)	2,008	313	2,775	(342)
Less: Loss allocated to non-controlling interest		(355)		(740)
Net income attributable to IntriCon shareholders	$ 2,008	$ 668	$ 2,775	$ 398
Basic - weighted shares outstanding	6,991	6,845	6,930	6,828
Weighted shares assumed upon exercise of stock options	1,127	342	1,091
Diluted - weighted shares outstanding	8,118	7,187	8,021	6,828
Continuing operations	$ 0.29	$ 0.10	$ 0.40	$ 0.10
Discontinued operations				(0.04)
Net income (loss) per share:	0.29	0.10	0.40	0.06
Continuing operations	0.25	0.10	0.35	0.10
Discontinued operations				(0.04)
Net income (loss) per share:	$ 0.25	$ 0.09	$ 0.35	$ 0.06