Consolidated Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Consolidated Condensed Statements of Operations [Abstract]
Sales, net	$ 30,160	$ 22,524	$ 55,523	$ 43,739
Cost of sales	20,171	15,885	37,122	31,266
Gross profit	9,989	6,639	18,401	12,473
Operating expenses:
Sales and marketing	2,881	2,204	5,721	4,515
General and administrative	3,108	2,705	6,169	5,263
Research and development	1,316	1,112	2,475	2,265
Total operating expenses	7,305	6,021	14,365	12,043
Operating income	2,684	618	4,036	430
Interest expense	(211)	(189)	(405)	(371)
Other income (expense)	(196)	(47)	(401)	9
Income from continuing operations before income taxes and discontinued operations	2,277	382	3,230	68
Income tax expense	269	54	455	118
Income (loss) from continuing operations before discontinued operations	2,008	328	2,775	(50)
Loss on sale of discontinued operations (Note 3)				(164)
Loss from discontinued operations (Note 3)		(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 income (loss) per share attributable to IntriCon shareholders:
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
Diluted income (loss) per share attributable to IntriCon shareholders:
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
Average shares outstanding:
Basic	6,991	6,845	6,930	6,828
Diluted	8,118	7,187	8,021	6,828