Segment Reporting (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Summary Of Data By Industry Segment

At and for the Three Months Ended March 31, 2019	Body Worn Devices	Hearing Health DTEC	Total
Revenue, net	$                                   28,479	$                                         1,630	$           30,109
Income (loss) before income taxes	2,388	(1,482)	906
Identifiable assets (excluding goodwill)	105,182	4,906	110,088
Goodwill	9,551	1,257	10,808
Depreciation and amortization	749	61	810
Capital expenditures	934	20	954
At and for the Three Months Ended March 31, 2018	Body Worn Devices	Hearing Health DTEC	Total
Revenue, net	$                                   23,572	$                                         1,791	$           25,363
Income (loss)	1,222	(453)	769
Identifiable assets (excluding goodwill)	42,121	6,640	48,761
Goodwill	9,551	1,257	10,808
Depreciation and amortization	604	50	654
Capital expenditures	475	10	485