Income Per Share (Reconciliation Between Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Per Share [Abstract]
Loss from continuing operations before discontinued operations	$ (2,274)	$ (3,509)	$ (4,253)	$ (2,541)
Loss from discontinued operation (Note 5)		(1,521)		(1,713)
Less: Income allocated to non-controlling interest	(7)		(7)
Net loss attributable to IntriCon shareholders	$ (2,281)	$ (5,030)	$ (4,260)	$ (4,254)
Basic - weighted shares outstanding	8,881	8,743	8,847	8,724
Diluted - weighted shares outstanding	8,881	8,743	8,847	8,724
Continuing operations	$ (0.26)	$ (0.40)	$ (0.48)	$ (0.29)
Discontinued operations		(0.17)		(0.20)
Net loss per share:	(0.26)	(0.57)	(0.48)	(0.49)
Continuing operations	(0.26)	(0.40)	(0.48)	(0.29)
Discontinued operations		(0.17)		(0.20)
Net loss per share:	$ (0.26)	$ (0.57)	$ (0.48)	$ (0.49)