Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements of Operations [Abstract]
Sales, net	$ 68,009	$ 68,527	$ 67,094
Cost of sales	50,937	49,771	48,979
Gross profit	17,072	18,756	18,115
Operating expenses:
Sales and marketing	4,700	3,733	3,533
General and administrative	9,154	7,013	5,929
Research and development	4,688	4,279	4,291
Restructuring charges (Note 3)	132		83
Total operating expenses	18,674	15,025	13,836
Operating income (loss)	(1,602)	3,731	4,279
Interest expense	(553)	(369)	(461)
Other expense, net	(602)	(261)	(1)
Income (loss) from continuing operations before income taxes and discontinued operations	(2,757)	3,101	3,817
Income tax expense	217	19	428
Income (loss) from continuing operations before discontinued operations	(2,974)	3,082	3,389
Loss from discontinued operations and impairment, net of income taxes (Note 2)	(1,770)	(965)	(1,021)
Loss on sale of discontinued operations (Note 2)			(120)
Net income (loss)	(4,744)	2,117	2,248
Less: Loss allocated to non-controlling interest	(157)	(111)
Net income (loss) attributable to IntriCon shareholders	$ (4,587)	$ 2,228	$ 2,248
Basic income (loss) per share attributable to IntriCon shareholders:
Continuing operations	$ (0.43)	$ 0.54	$ 0.59
Discontinued operations	(0.27)	(0.16)	(0.20)
Net income (loss) per share:	(0.71)	0.38	0.39
Diluted income (loss) per share attributable to IntriCon shareholders:
Continuing operations	(0.43)	0.51	0.56
Discontinued operations	(0.27)	(0.15)	(0.19)
Net income (loss) per share:	$ (0.71)	$ 0.36	$ 0.37
Average shares outstanding:
Basic	6,497	5,907	5,791
Diluted	6,497	6,241	6,038