Income Per Share (Reconciliation Between Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Per Share [Abstract]
Income from continuing operations before income taxes and discontinued operations	$ 1,903	$ 1,079	$ 4,679	$ 1,029
Loss on sale of discontinued operations				(164)
Loss from discontinued operations, net of income taxes				(128)
Net income	1,903	1,079	4,679	737
Less: Loss allocated to non-controlling interest		(186)		(925)
Net income attributable to IntriCon shareholders	$ 1,903	$ 1,265	$ 4,679	$ 1,662
Basic - weighted shares outstanding	7,825	6,853	7,249	6,836
Weighted shares assumed upon exercise of stock options	997	398	1,111	343
Diluted - weighted shares outstanding	8,822	7,251	8,360	7,179
Continuing operations	$ 0.24	$ 0.18	$ 0.65	$ 0.29
Discontinued operations				(0.04)
Net income per share:	0.24	0.18	0.65	0.24
Continuing operations	0.22	0.17	0.56	0.27
Discontinued operations				(0.04)
Net income per share:	$ 0.22	$ 0.17	$ 0.56	$ 0.23