Consolidated Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Consolidated Condensed Statements of Operations [Abstract]
Sales, net	$ 25,363	$ 21,215
Cost of sales	16,951	15,381
Gross profit	8,412	5,834
Operating expenses:
Sales and marketing	2,840	2,311
General and administrative	3,061	2,558
Research and development	1,159	1,153
Total operating expenses	7,060	6,022
Operating income (loss)	1,352	(188)
Interest expense	(188)	(182)
Other income (expense)	(220)	56
Income (loss) from continuing operations before income taxes and discontinued operations	944	(314)
Income tax expense	187	64
Income (loss) from continuing operations before discontinued operations	757	(378)
Loss on sale of discontinued operations (Note 3)		(164)
Loss from discontinued operations (Note 3)		(113)
Net income (loss)	757	(655)
Less: Loss allocated to non-controlling interest	(12)	(385)
Net income (loss) attributable to IntriCon shareholders	$ 769	$ (270)
Basic income (loss) per share attributable to IntriCon shareholders:
Continuing operations	$ 0.11	$ 0.00
Discontinued operations		(0.04)
Net income (loss) per share:	0.11	(0.04)
Diluted income (loss) per share attributable to IntriCon shareholders:
Continuing operations	0.10	0.00
Discontinued operations		(0.04)
Net income (loss) per share:	$ 0.10	$ (0.04)
Average shares outstanding:
Basic	6,929	6,826
Diluted	7,843	6,826