Consolidated Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Consolidated Condensed Statements of Operations [Abstract]
Sales, net	$ 30,134	$ 25,061	$ 85,657	$ 68,800
Cost of sales	20,609	17,334	57,731	48,600
Gross profit	9,525	7,727	27,926	20,200
Operating expenses:
Sales and marketing	3,009	2,342	8,729	6,857
General and administrative	3,232	2,698	9,434	7,961
Research and development	1,251	1,047	3,693	3,312
Total operating expenses	7,492	6,087	21,856	18,130
Operating income	2,033	1,640	6,070	2,070
Interest expense, net	(48)	(177)	(453)	(548)
Other expense	(179)	(337)	(580)	(328)
Income from continuing operations before income taxes and discontinued operations	1,806	1,126	5,037	1,194
Income tax expense (benefit)	(97)	47	358	165
Income from continuing operations before discontinued operations	1,903	1,079	4,679	1,029
Loss on sale of discontinued operations (Note 3)				(164)
Loss from discontinued operations (Note 3)				(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 income (loss) per share attributable to IntriCon shareholders:
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
Diluted income (loss) per share attributable to IntriCon shareholders:
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
Average shares outstanding:
Basic	7,825	6,853	7,249	6,836
Diluted	8,822	7,251	8,360	7,179