Income (Loss) Per Share (Reconciliation Between Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income (Loss) Per Share [Abstract]
Net income (loss)	$ 672	$ (1,979)
Less: Loss allocated to non-controlling interest	(42)
Net income (loss) attributable to Intricon shareholders	$ 714	$ (1,979)
Basic - weighted shares outstanding	8,994	8,813
Weighted shares assumed upon exercise of stock awards	613
Diluted - weighted shares outstanding	9,607	8,813
Basic income (loss) per share attributable to Intricon shareholders:	$ 0.08	$ (0.22)
Net income per share, Diluted:	$ 0.07	$ (0.22)