Intricon (IIN) 10-Q 13 May 15 2015 Q1 Quarterly report Financial data

Document_And_Entity_Informatio

Document And Entity Information	3 Months Ended
	Mar. 31, 2015	Apr. 30, 2015
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	FALSE
Document Period End Date	31-Mar-15
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Entity Registrant Name	INTRICON CORP
Entity Central Index Key	88790
Current Fiscal Year End Date	-19
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		5,855,023

Consolidated_Condensed_Balance

Consolidated Condensed Balance Sheets (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Thousands, unless otherwise specified
Current assets:
Cash	$693	$328
Restricted cash	594	640
Accounts receivable, less allowance for doubtful accounts of $113 at March 31, 2015 and $120 at December 31, 2014	7,666	7,673
Inventories	9,948	9,983
Other current assets	745	1,013
Total current assets	19,646	19,637
Machinery and equipment	35,807	35,104
Less: Accumulated depreciation	31,207	30,859
Net machinery and equipment	4,600	4,245
Goodwill	9,194	9,194
Investment in partnerships	338	387
Other assets, net	443	498
Total assets	34,221	33,961
Current liabilities:
Checks written in excess of cash		516
Current maturities of long-term debt	1,890	1,886
Accounts payable	5,628	5,438
Accrued salaries, wages and commissions	2,393	2,519
Deferred gain	110	110
Other accrued liabilities	1,293	1,364
Total current liabilities	11,314	11,833
Long-term debt, less current maturities	5,118	4,627
Other postretirement benefit obligations	483	485
Accrued pension liabilities	685	741
Deferred gain	28	55
Other long-term liabilities	102	113
Total liabilities	17,730	17,854
Commitments and contingencies (Note 12)
Shareholders' equity:
Common stock, $1.00 par value per share; 20,000 shares authorized; 5,855 and 5,844 shares issued and outstanding at March 31, 2015 and December 31, 2014, respectively	5,855	5,844
Additional paid-in capital	17,138	16,939
Accumulated deficit	-5,990	-6,274
Accumulated other comprehensive loss	-512	-402
Total shareholders' equity	16,491	16,107
Total liabilities and shareholders' equity	$34,221	$33,961

Consolidated_Condensed_Balance1

Consolidated Condensed Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Thousands, except Share data, unless otherwise specified
Consolidated Condensed Balance Sheets [Abstract]
Accounts receivable, allowance for doubtful accounts	$113	$120
Common shares, par value	$1	$1
Common shares, shares authorized	20,000,000	20,000,000
Common shares, shares issued	5,855,000	5,844,000
Common shares, shares outstanding	5,855,000	5,844,000

Consolidated_Condensed_Stateme

Consolidated Condensed Statements Of Operations (USD $)	3 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Consolidated Condensed Statements Of Operations [Abstract]
Sales, net	$16,602	$17,310
Cost of sales	12,274	12,537
Gross profit	4,328	4,773
Operating expenses:
Sales and marketing	987	1,007
General and administrative	1,709	1,624
Research and development	1,226	1,168
Restructuring charges (Note 3)		83
Total operating expenses	3,922	3,882
Operating income	406	891
Interest expense	-103	-138
Other income	136	60
Income from continuing operations before income taxes and discontinued operations	439	813
Income tax expense	155	26
Income before discontinued operations	284	787
Loss on sale of discontinued operations		-120
Loss from discontinued operations, net of income taxes (Note 4)		-150
Net income	$284	$517
Basic income (loss) per share:
Continuing operations	$0.05	$0.14
Discontinued operations		($0.05)
Net income per share:	$0.05	$0.09
Diluted income (loss) per share:
Continuing operations	$0.05	$0.14
Discontinued operations		($0.05)
Net income per share:	$0.05	$0.09
Average shares outstanding:
Basic	5,849	5,729
Diluted	6,227	5,859

Consolidated_Condensed_Stateme1

Consolidated Condensed Statements Of Comprehensive Income (Loss) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Consolidated Condensed Statements Of Comprehensive Income (Loss) [Abstract]
Net income	$284	$517
Change in fair value of interest rate swap	-2	10
Gain (loss) on foreign currency translation adjustment	-108	10
Comprehensive income	$174	$537

Consolidated_Condensed_Stateme2

Consolidated Condensed Statements Of Cash Flows (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net income	$284	$517
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	423	559
Stock-based compensation	169	142
Change in deferred gain	-28	-28
Change in allowance for doubtful accounts	7	1
Equity in loss of partnerships	49	35
Loss on sale of discontinued operation		120
Changes in operating assets and liabilities:
Accounts receivable	92	-1,133
Inventories	41	-381
Other assets	297	343
Accounts payable	181	544
Accrued expenses	-382	306
Other liabilities	38	-50
Net cash provided by operating activities	1,171	975
Cash flows from investing activities:
Proceeds from sale of property, plant and equipment		21
Proceeds from sale of discontinued operation		500
Purchases of property, plant and equipment	-711	-241
Net cash (used in) provided by investing activities	-711	280
Cash flows from financing activities:
Proceeds from long-term borrowings	2,926	2,999
Repayments of long-term borrowings	-2,430	-3,980
Proceeds from employee stock purchases and exercise of stock options	42	23
Change in restricted cash	79	-128
Change in checks written in excess of cash	-516	178
Net cash provided by (used in) financing activities	101	-908
Effect of exchange rate changes on cash	-196	12
Net increase in cash	365	359
Cash, beginning of period	328	217
Cash, end of period	$693	$576

General

General	3 Months Ended
	Mar. 31, 2015
General [Abstract]
General	1.   General
	In the opinion of management, the accompanying consolidated condensed financial statements contain all adjustments (consisting of normal recurring adjustments) necessary to present fairly IntriCon Corporation's (“IntriCon” or the “Company”) consolidated financial position as of March 31, 2015 and December 31, 2014, and the consolidated results of its operations and cash flows for the three months ended March 31, 2015 and 2014.  Results of operations for the interim periods are not necessarily indicative of the results of operations expected for the full year or any other interim period.
	On June 13, 2013, the Company announced a global restructuring plan to accelerate future growth and reduce costs by approximately $3.0 million annually. As part of the restructuring, the Company sold its security and certain microphone and receiver operations on January 27, 2014 to Sierra Peaks Corporation. For all periods presented, the Company classified these businesses as discontinued operations (Note 4).
	The Company has evaluated subsequent events occurring after the date of the consolidated financial statements for events requiring recording or disclosure in the financial statements.

New_Accounting_Pronouncements

New Accounting Pronouncements	3 Months Ended
	Mar. 31, 2015
New Accounting Pronouncements [Abstract]
New Accounting Pronouncements	2.   New Accounting Pronouncements
	In February 2015, the FASB issued Accounting Standards Update No. 2015-02, Consolidation (Topic 810): Amendments to the Consolidation Analysis, or ASU 2015-02. ASU 2015-02 amends current consolidation guidance by modifying the evaluation of whether limited partnerships and similar legal entities are variable interest entities or voting interest entities, eliminating the presumption that a general partner should consolidate a limited partnership, and affects the consolidation analysis of reporting entities that are involved with variable interest entities. ASU No. 2015-02 is effective for interim and annual reporting periods beginning after December 15, 2015, with early adoption permitted. All legal entities are subject to reevaluation under the revised consolidation model. The adoption of ASU 2015-02 is not expected to have a material impact on our consolidated financial position, results of operations or cash flows.
	In May 2014, the Financial Accounting Standards Board issued new accounting guidance related to revenue recognition. This new standard will replace all current U.S. GAAP guidance on this topic and eliminate all industry-specific guidance. The new revenue recognition standard provides a unified model to determine when and how revenue is recognized. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration for which the entity expects to be entitled in exchange for those goods or services. This guidance will be effective for the Company beginning January 1, 2017 and can be applied either retrospectively to each period presented or as a cumulative-effect adjustment as of the date of adoption. We are currently assessing the impact on the Company’s consolidated financial statements.

Restructuring_Charges

Restructuring Charges	3 Months Ended
	Mar. 31, 2015
Restructuring Charges [Abstract]
Restructuring Charges	3.   Restructuring Charges
	On June 13, 2013, the Company announced a global strategic restructuring plan designed to accelerate the Company’s future growth by focusing resources on the highest potential growth areas and reduce costs. The plan was approved by the Company’s Board of Directors on June 12, 2013. As part of this plan, the Company: reduced investment in certain non-core professional audio communications product lines; transferred specific product lines from Singapore to the Company’s lower-cost manufacturing facility in Batam, Indonesia; reduced global administrative and support workforce; transferred the medical coil operations from the Company’s Maine facility to Minnesota to better leverage existing manufacturing capacity; sold its remaining security, microphone and receiver operations; added experienced professionals in value hearing health; and focused more resources in medical biotelemetry. During the first quarter of 2014, the Company incurred charges of $83, primarily related to employee termination benefits, from the restructuring of its continuing operations. In the future, the Company does not expect to incur any additional cash charges related to this restructuring.

Discontinued_Operations

Discontinued Operations	3 Months Ended
	Mar. 31, 2015
Discontinued Operations [Abstract]
Discontinued Operations	4.   Discontinued Operations
	On June 13, 2013, the Company announced a global strategic restructuring plan designed to accelerate the Company’s future growth and reduce costs. See Note 3 for additional information. As part of the global strategic restructuring plan, the Company decided to exit the security and certain microphone and receiver businesses.  On January 27, 2014, the Company completed the sale of the security business and certain microphone and receiver businesses of IntriCon Tibbetts Corporation, IntriCon’s wholly owned subsidiary based in Camden, Maine, to Sierra Peaks Corporation, pursuant to an Asset Purchase Agreement entered into on January 27, 2014 between Sierra Peaks Corporation, as the buyer, and IntriCon Tibbetts Corporation as the seller. Sierra Peaks Corporation paid $500 cash at closing for the assets and assumed certain operating liabilities of the businesses.
	The Company recorded a loss on the sale of $120. The net loss was computed as follows:
	Accounts receivable, net	$	384
	Inventory, net		128
	Property, plant and equipment, net		127
	Other assets		1
	Accounts payable		-69
	Total	$	571
	Cash proceeds received from Sierra Peaks		500
	Net assets sold		-571
	Transaction costs		-49
	Loss on sale of discontinued operations	$	-120
	The following table shows the results of operations of the Company’s discontinued operations:
			Three Months Ended
			March 31,		March 31,
			2015		2014
			(Unaudited)		(Unaudited)
	Sales, net	$	-	$	207
	Operating costs and expenses		-		-357
	Operating loss		-		-150
	Other income, net		-		-
	Net loss from discontinued operations	$	-	$	-150

Product_Warranty

Product Warranty	3 Months Ended
	Mar. 31, 2015
Product Warranty [Abstract]
Product Warranty	5.    Product Warranty
	In general, the Company warrants its products to be free from defects in material and workmanship and will fully conform to and perform to specifications for a period of one year. The following table presents changes in the Company’s warranty liability for the three months ended March 31, 2015 and the year ended December 31, 2014:
			March 31,		December 31,
			2015		2014
	Beginning balance	$	100	$	72
	Warranty expense		20		122
	Closed warranty claims		-12		-94
	Ending balance	$	108	$	100

Geographic_Information

Geographic Information	3 Months Ended
	Mar. 31, 2015
Geographic Information [Abstract]
Geographic Information	6.    Geographic Information
	The geographical distribution of long-lived assets to geographical areas consisted of the following at:
			March 31,		December 31,
			2015		2014
	United States	$	3,738	$	3,307
	Other – primarily Asia		862		938
	Consolidated	$	4,600	$	4,245
	Long-lived assets consist of property and equipment and certain other assets that are difficult to move and relatively illiquid. Excluded from long-lived assets are investments in partnerships, patents, license agreements and goodwill. The Company capitalizes long-lived assets pertaining to the production of specialized parts. These assets are periodically reviewed to assure the net realizable value from the estimated future production based on forecasted cash flows exceeds the carrying value of the assets.
	The geographical distribution of net sales to geographical areas for the three months ended March 31, 2015 and 2014 were as follows:
			Three Months Ended
	Net Sales to Geographical Areas		31-Mar-15		31-Mar-14
	United States	$	12,582	$	12,822
	Switzerland		629		332
	Germany		528		591
	Vietnam		437		364
	China		434		699
	Japan		371		322
	United Kingdom		282		523
	Turkey		264		193
	France		241		534
	Hong Kong		195		178
	Singapore		85		111
	All other countries		554		641
	Consolidated	$	16,602	$	17,310
	Geographic net sales are allocated based on the location of the customer. All other countries include net sales primarily to various countries in Europe and in the Asian Pacific. Customer concentrations greater than 10% of consolidated net sales and account receivable are disclosed below.
	For the three months ended March 31, 2015,  one customer accounted for 39% of the Company’s consolidated net sales.  For the three months ended March 31, 2014, two customers accounted for 49% of the Company’s consolidated net sales.
	At March 31, 2015, two customers combined accounted for 33% of the Company’s consolidated accounts receivable. At December 31, 2014, two customers accounted for a combined 29% of the Company’s consolidated accounts receivable.

Inventories

Inventories	3 Months Ended
	Mar. 31, 2015
Inventories [Abstract]
Inventories	7.   Inventories
	Inventories consisted of the following at:
			Raw materials		Work-in process		Finished products and components		Total
	31-Mar-15
	Domestic	$	3,783	$	1,520	$	1,923	$	7,226
	Foreign		1,774		746		202		2,722
	Total	$	5,557	$	2,266	$	2,125	$	9,948
	31-Dec-14
	Domestic	$	3,993	$	1,300	$	1,838	$	7,131
	Foreign		1,894		720		238		2,852
	Total	$	5,887	$	2,020	$	2,076	$	9,983

Short_And_LongTerm_Debt

Short And Long-Term Debt	3 Months Ended
	Mar. 31, 2015
Short And Long-Term Debt [Abstract]
Short And Long-Term Debt	8.    Short and Long-Term Debt
	Short and long-term debt is summarized as follows:
		March 31,			December 31,
		2015			2014
	Domestic Asset-Based Revolving Credit Facility	$	1,093		$	3,843
	Foreign Overdraft and Letter of Credit Facility		915			920
	Domestic Term-Loan		5,000			1,750
	Total Debt		7,008			6,513
	Less: Current maturities		-1,890			-1,886
	Total Long-Term Debt	$	5,118		$	4,627
	Domestic Credit Facilities
	The Company and its domestic subsidiaries are parties to a credit facility with The PrivateBank and Trust Company. The credit facility, as amended, provides for:
		§		an $8,000 revolving credit facility, with a $200 sub facility for letters of credit.  Under the revolving credit facility, the availability of funds depends on a borrowing base composed of stated percentages of the Company’s eligible trade receivables and eligible inventory, and eligible equipment less a reserve; and
		§		a term loan in the original amount of $5,000.
	In March 2015, the Company and its domestic subsidiaries entered into a Seventh Amendment to the Loan and Security Agreement with The PrivateBank and Trust Company. The amendment, among other things:
		§		increased the Company’s term loan to $5,000 from its then current balance of $1,750, as a result of which the Company borrowed an additional $3,250 under the term loan facility;
		§		extended the term loan and revolving loan maturity date to February 28, 2019, keeping the existing term loan amortization schedule in place;
		§		increased the annual capital expenditure limit to $4,500;
		§		implemented investment provisions that allow for up to $4,000 in investment spending prior to requiring bank approval;
		§		lowered interest rates on the term loan and revolving loan;
	Due to the Seventh Amendment as described above, the term loan and the revolving loan maturity date has been extended to February 28, 2019. All of the borrowings under this agreement have been characterized as either a current or long-term liability on our balance sheet in accordance with the repayment terms described more fully below.
	Loans under the credit facility are secured by a security interest in substantially all of the assets of the Company and its domestic subsidiaries including a pledge of the stock of its domestic subsidiaries. Loans under the credit facility bear interest at varying rates based on the Company’s leverage ratio of funded debt / EBITDA, at the option of the Company, at:
		§		the London InterBank Offered Rate (“LIBOR”) plus 2.50% to 4.00%, or
		§		the base rate, which is the higher of (a) the rate publicly announced from time to time by the lender as its “prime rate” and (b) the Federal Funds Rate plus 0.5%, plus (0.25)% to 1.25%; in each case, depending on the Company’s leverage ratio.
	Interest is payable monthly in arrears, except that interest on LIBOR based loans is payable at the end of the one, two or three month interest periods applicable to LIBOR based loans. IntriCon is also required to pay a non-use fee equal to 0.25% per year of the unused portion of the revolving line of credit facility, payable quarterly in arrears.
	Weighted average interest on the revolving credit facility was 4.39% for the three months ended March 31, 2015 and 4.51% for the year ended December 31, 2014.  The outstanding balance of the revolving credit facility was $1,093 and $3,843 at March 31, 2015 and December 31, 2014, respectively.  The total availability on the revolving credit facility was approximately $6,341 and $3,456 at March 31, 2015 and December 31, 2014, respectively.
	The outstanding principal balance of the term loan, as amended, is payable in quarterly installments of $250. Any remaining principal and accrued interest is payable on February 28, 2019. IntriCon is also required to use 100% of the net cash proceeds of certain asset sales (excluding inventory and certain other dispositions), sale of capital securities or issuance of debt to pay down the term loan.
	The Company was in compliance with the financial covenants under the facility as of March 31, 2015.
	Foreign Credit Facility
	In addition to its domestic credit facilities, the Company’s wholly-owned subsidiary, IntriCon, PTE LTD., entered into an international senior secured credit agreement with Oversea-Chinese Banking Corporation Ltd. that provides for an asset based line of credit.  Borrowings bear interest at a rate of .75% to 2.5% over the lender’s prevailing prime lending rate.  Weighted average interest on the international credit facilities was 3.38% and 4.50% for the three months ended March 31, 2015 and the year ended December 31, 2014, respectively. The outstanding balance was $915 and $920 at March 31, 2015 and December 31, 2014, respectively.  The total remaining availability on the international senior secured credit agreement was approximately $878 and $956 at March 31, 2015 and December 31, 2014, respectively.

Income_Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2015
Income Taxes [Abstract]
Income Taxes	9.  Income Taxes
	Income tax expense for the three months ended March 31, 2015 was $155 compared to $26 for the same period in 2014. The expense for the three months ended March 31, 2015 and 2014, was primarily due to foreign operations. The Company has net operating loss carryforwards for U.S. federal income tax purposes and, consequently, minimal federal benefit or expense from the domestic operations was recognized as the deferred tax asset has a full valuation allowance.
	The following was the income (loss) before income taxes for each jurisdiction in which the Company has operations for the three months ended March 31, 2015 and 2014.
		Three Months Ended
			31-Mar-15		31-Mar-14
	United States	$	-310	$	316
	Singapore		541		382
	Indonesia		20		19
	Germany		188		96
	Income before income taxes and discontinued operations	$	439	$	813

Shareholders_Equity_And_StockB

Shareholders' Equity And Stock-Based Compensation	3 Months Ended
	Mar. 31, 2015
Shareholders' Equity and Stock-Based Compensation [Abstract]
Shareholders' Equity And Stock-Based Compensation	10.  Shareholders’ Equity and Stock-based Compensation
	The Company has a 2001 stock option plan, a non-employee directors’ stock option plan and a 2006 Equity Incentive Plan. New grants may not be made under the 2001 and the non-employee directors’ stock option plans; however certain option grants under these plans remain exercisable as of March 31, 2015. The aggregate number of shares of common stock for which awards could be granted under the 2006 Equity Incentive Plan as of the date of adoption was 699 shares. The Plan was amended in 2010 and 2012 to authorize an additional 250 and 300 shares, respectively, for issuance under the Plan. Additionally, as outstanding options under the 2001 stock option plan and non-employee directors’ stock option plan expire, the shares of the Company’s common stock subject to the expired options will become available for issuance under the 2006 Equity Incentive Plan.
	Under the various plans, executives, employees and outside directors receive awards of options to purchase common stock. Under the 2006 Equity Incentive Plan, the Company may also grant stock awards, stock appreciation rights, restricted stock units and other equity-based awards, although no such awards, other than awards under the director program and management purchase program described below, had been granted as of March 31, 2015.  Under all awards, the terms are fixed on the grant date. Generally, the exercise price of stock options equals the market price of the Company’s stock on the date of the grant. Options under the plans generally vest over three years, and have a maximum term of 10 years.
	Additionally, the board has established the non-employee directors’ stock fee election program, referred to as the director program, as an award under the 2006 Equity Incentive Plan. The director program gives each non-employee director the right under the 2006 Equity Incentive Plan to elect to have some or all of his quarterly director fees paid in common shares rather than cash.  No shares were issued in lieu of cash for director fees under the director program for the three months ended March 31, 2015 and 2014, respectively.
	On July 23, 2008, the Compensation Committee of the Board of Directors approved the non-employee director and executive officer stock purchase program, referred to as the management purchase program, as an award under the 2006 Plan. The purpose of the management purchase program is to permit the Company’s non-employee directors and executive officers to purchase shares of the Company’s Common Stock directly from the Company. Pursuant to the management purchase program, as amended, participants may elect to purchase shares of Common Stock from the Company not exceeding an aggregate of $100 during any fiscal year. Participants may make such election one time during each twenty business day period following the public release of the Company’s earnings announcement, referred to as a window period, and only if such participant is not in possession of material, non-public information concerning the Company and subject to the discretion of the Board to prohibit any transactions in Common Stock by directors and executive officers during a window period. There were no shares purchased under the management purchase program during the three months ended March 31, 2015 and 2014, respectively.
	On April 24, 2015, the shareholders of the Company approved the 2015 Equity Incentive Plan.  The new plan replaces the 2006 Plan.
	Stock option activity as of and during the three months ended March 31, 2015 was as follows:
				Weighted-average		Aggregate
		Number of Shares		Exercise Price		Intrinsic Value
	Outstanding at December 31, 2014	1,313	$	5.86
	Options forfeited or cancelled	-		-
	Options granted	128		6.87
	Options exercised	-11		3.52
	Outstanding at March 31, 2015	1,430	$	5.97	$	3,836
	Exercisable at March 31, 2015	1,082	$	6.06	$	3,031
	Available for future grant at December 31, 2014	175
	Available for future grant at March 31, 2015	50
	The number of shares available for future grants at March 31, 2015 does not include a total of up to 147 shares subject to options outstanding under the 2001 stock option plans and non-employee directors’ stock option plans as of March 31, 2015, which will become available for grant under the 2006 Equity Incentive Plan in the event of the expiration of such options.
	The fair value of each stock option granted is estimated on the date of grant using the Black-Scholes option-pricing model. The Black-Scholes option-pricing model was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable. In addition, option-pricing models require the input of subjective assumptions, including the expected stock price volatility. Because the Company’s options have characteristics different from those of traded options, in the opinion of management, the existing models do not necessarily provide a reliable single measure of the fair value of its options. The weighted average fair value of options granted was $4.37 for options granted during the three months ended March 31, 2015. The weighted average fair value of options granted was $3.85 for options granted during the three months ended March 31, 2014.
	The Company calculates expected volatility for stock options and awards using the Company’s historical volatility.
	The Company currently estimates a zero percent forfeiture rate for stock options, but will continue to review this estimate in future periods.
	The risk-free rates for the expected terms of the stock options and awards are based on the U.S. Treasury yield curve in effect at the time of grant.
	The weighted average remaining contractual life of options exercisable at March 31, 2015 was 4.10 years.
	The Company recorded $169 of non-cash stock option expense for the three months ended March 31, 2015. The Company recorded $142 of non-cash stock option expense for the three months ended March 31, 2014.  As of March 31, 2015, there was $904 of total unrecognized compensation costs related to non-vested awards that are expected to be recognized over a weighted-average period of 2.29 years.
	The Company also has an Employee Stock Purchase Plan (the “Purchase Plan”). The Purchase Plan initially provided that a maximum of 100 shares may be sold under the Purchase Plan as of the date of adoption. On April 27, 2011, the Company’s shareholders approved an amendment to the Purchase Plan to increase the number of shares which may be purchased under the plan by an additional 100 shares. There were 3 shares purchased under the plan for the three months ended March 31, 2015 and a total of 5 shares purchased for the three months ended March 31, 2014.

Income_Per_Share

Income Per Share	3 Months Ended
	Mar. 31, 2015
Income Per Share [Abstract]
Income Per Share	11. Income Per Share
	The following table presents a reconciliation between basic and diluted earnings per share:
		Three Months Ended
			31-Mar-15		31-Mar-14
	Numerator:
	Income before  discontinued operations	$	284	$	787
	Loss from discontinued operations, net of income taxes (note 4)		-		-270
	Net income	$	284	$	517
	Denominator:
	Basic – weighted shares outstanding		5,849		5,729
	Weighted shares assumed upon exercise of stock options		378		130
	Diluted – weighted shares outstanding		6,227		5,859
	Basic income (loss) per share:
	Continuing operations	$	0.05	$	0.14
	Discontinued operations		-		-0.05
	Net income per share:	$	0.05	$	0.09
	Diluted income (loss) per share:
	Continuing operations	$	0.05	$	0.14
	Discontinued operations		-		-0.05
	Net income per share:	$	0.05	$	0.09
	The dilutive impact summarized above relates to the periods when the average market price of Company stock exceeded the exercise price of the potentially dilutive option securities granted. Earnings per common share was based on the weighted average number of common shares outstanding during the periods when computing the basic earnings per share. When dilutive, stock options are included as equivalents using the treasury stock method when computing the diluted earnings per share. Individual components of basic and diluted income (loss) per share may not sum to the total income (loss) per share due to rounding.

Legal_Proceedings

Legal Proceedings	3 Months Ended
	Mar. 31, 2015
Legal Proceedings [Abstract]
Legal Proceedings	12. Legal Proceedings
	The Company is a defendant along with a number of other parties in lawsuits alleging that plaintiffs have or may have contracted asbestos-related diseases as a result of exposure to asbestos products or equipment containing asbestos sold by one or more named defendants. These lawsuits relate to the discontinued heat technologies segment which was sold in March 2005. Due to the non-informative nature of the complaints, the Company does not know whether any of the complaints state valid claims against the Company. Certain insurance carriers have informed the Company that the primary policies for the period August 1, 1970-1978 have been exhausted and that the carriers will no longer provide defense and insurance coverage under those policies. However, the Company has other primary and excess insurance policies that the Company believes afford coverage for later years.  Some of these other primary insurers have accepted defense and insurance coverage for these suits, and some of them have either ignored the Company’s tender of defense of these cases, or have denied coverage, or have accepted the tenders but asserted a reservation of rights and/or advised the Company that they need to investigate further.  Because settlement payments are applied to all years a litigant was deemed to have been exposed to asbestos, the Company believes that it will have funds available for defense and insurance coverage under the non-exhausted primary and excess insurance policies.  However, unlike the older policies, the more recent policies have deductible amounts for defense and settlements costs that the Company will be required to pay; accordingly, the Company expects that its litigation costs will increase in the future. Further, many of the policies covering later years (approximately 1984 and thereafter) have exclusions for any asbestos products or operations, and thus do not provide insurance coverage for asbestos-related lawsuits. The Company does not believe that the asserted exhaustion of some of the primary insurance coverage for the 1970-1978 period will have a material adverse effect on its financial condition, liquidity, or results of operations. Management believes that the number of insurance carriers involved in the defense of the suits, and the significant number of policy years and policy limits under which these insurance carriers are insuring the Company, make the ultimate disposition of these lawsuits not material to the Company's consolidated financial position or results of operations.
	The Company’s former French subsidiary, Selas SAS, filed for insolvency in France. The Company may be subject to additional litigation or liabilities as a result of the French insolvency proceeding.
	The Company is also involved in other lawsuits arising in the normal course of business. While it is not possible to predict with certainty the outcome of these matters, management is of the opinion that the disposition of these lawsuits and claims will not materially affect our consolidated financial position, liquidity or results of operations.

RelatedParty_Transactions

Related-Party Transactions	3 Months Ended
	Mar. 31, 2015
Related-Party Transactions [Abstract]
Related-Party Transactions	13. Related-Party Transactions
	One of the Company’s subsidiaries leases office and factory space from a partnership consisting of three present or former officers of the subsidiary, including Mark Gorder, a member of the Company’s Board of Directors and the President and Chief Executive Officer of the Company. The subsidiary is required to pay all real estate taxes and operating expenses. The total base rent expense, real estate taxes and other charges incurred under the lease were approximately $122 for the three months ended March 31, 2015 and approximately $122 for the three months ended March 31, 2014.
	The Company uses the law firm of Blank Rome LLP for legal services. A partner of that firm is the son-in-law of the Chairman of the Company’s Board of Directors.   For the three months ended March 31, 2015, the Company paid that firm approximately $48 for legal services and costs.  For the three months ended March 31, 2014, the Company paid that firm approximately $39 for legal services and costs.  The Chairman of our Board of Directors is considered independent under applicable Nasdaq and Securities Exchange Commission rules because (i) no payments were made to the Chairman or the partner directly in exchange for the services provided by the law firm and (ii) the amounts paid to the law firm did not exceed the thresholds contained in the Nasdaq standards. Furthermore, the aforementioned partner does not provide any legal services to the Company and is not involved in billing matters.

Statements_Of_Cash_Flows

Statements Of Cash Flows	3 Months Ended
	Mar. 31, 2015
Statements Of Cash Flows [Abstract]
Statements Of Cash Flows	14.Statements of Cash Flows
	The following table provides supplemental disclosures of cash flow information:
		Three Months Ended
		March 31,		March 31,
		2015		2014
	Interest received	$	12	$	-
	Interest paid		89		134
	Income taxes paid		110		-

Revenue_By_Market

Revenue By Market	3 Months Ended
	Mar. 31, 2015
Revenue By Market [Abstract]
Revenue By Market	15.Revenue by Market
	The following tables set forth, for the periods indicated, net revenue by market:
			Three Months Ended
		March 31,		March 31,
		2015		2014
	Medical	$	8,957	$	9,483
	Hearing Health		5,564		5,859
	Professional Audio Communications		2,081		1,968
	Total Revenue	$	16,602	$	17,310

Discontinued_Operations_Tables

Discontinued Operations (Tables)	3 Months Ended
	Mar. 31, 2015
Discontinued Operations [Abstract]
Schedule Of Loss On Sale Of Discontinued Operations
	Accounts receivable, net	$	384
	Inventory, net		128
	Property, plant and equipment, net		127
	Other assets		1
	Accounts payable		-69
	Total	$	571
	Cash proceeds received from Sierra Peaks		500
	Net assets sold		-571
	Transaction costs		-49
	Loss on sale of discontinued operations	$	-120
Summary Of Results Of Operations
			Three Months Ended
			March 31,		March 31,
			2015		2014
			(Unaudited)		(Unaudited)
	Sales, net	$	-	$	207
	Operating costs and expenses		-		-357
	Operating loss		-		-150
	Other income, net		-		-
	Net loss from discontinued operations	$	-	$	-150

Product_Warranty_Tables

Product Warranty (Tables)	3 Months Ended
	Mar. 31, 2015
Product Warranty [Abstract]
Changes In Warranty Liability
			March 31,		December 31,
			2015		2014
	Beginning balance	$	100	$	72
	Warranty expense		20		122
	Closed warranty claims		-12		-94
	Ending balance	$	108	$	100

Geographic_Information_Tables

Geographic Information (Tables)	3 Months Ended
	Mar. 31, 2015
Geographic Information [Abstract]
Geographical Distribution Of Long-Lived Assets
			March 31,		December 31,
			2015		2014
	United States	$	3,738	$	3,307
	Other – primarily Asia		862		938
	Consolidated	$	4,600	$	4,245
Geographical Distribution Of Net Sales
			Three Months Ended
	Net Sales to Geographical Areas		31-Mar-15		31-Mar-14
	United States	$	12,582	$	12,822
	Switzerland		629		332
	Germany		528		591
	Vietnam		437		364
	China		434		699
	Japan		371		322
	United Kingdom		282		523
	Turkey		264		193
	France		241		534
	Hong Kong		195		178
	Singapore		85		111
	All other countries		554		641
	Consolidated	$	16,602	$	17,310

Inventories_Tables

Inventories (Tables)	3 Months Ended
	Mar. 31, 2015
Inventories [Abstract]
Schedule Of Inventories
			Raw materials		Work-in process		Finished products and components		Total
	31-Mar-15
	Domestic	$	3,783	$	1,520	$	1,923	$	7,226
	Foreign		1,774		746		202		2,722
	Total	$	5,557	$	2,266	$	2,125	$	9,948
	31-Dec-14
	Domestic	$	3,993	$	1,300	$	1,838	$	7,131
	Foreign		1,894		720		238		2,852
	Total	$	5,887	$	2,020	$	2,076	$	9,983

Short_And_LongTerm_Debt_Tables

Short And Long-Term Debt (Tables)	3 Months Ended
	Mar. 31, 2015
Short And Long-Term Debt [Abstract]
Summary Of Short And Long-Term Debt
		March 31,		December 31,
		2015		2014
	Domestic Asset-Based Revolving Credit Facility	$	1,093	$	3,843
	Foreign Overdraft and Letter of Credit Facility		915		920
	Domestic Term-Loan		5,000		1,750
	Total Debt		7,008		6,513
	Less: Current maturities		-1,890		-1,886
	Total Long-Term Debt	$	5,118	$	4,627

Income_Taxes_Tables

Income Taxes (Tables)	3 Months Ended
	Mar. 31, 2015
Income Taxes [Abstract]
Income (Loss) Before Income Tax By Jurisdiction
		Three Months Ended
			31-Mar-15		31-Mar-14
	United States	$	-310	$	316
	Singapore		541		382
	Indonesia		20		19
	Germany		188		96
	Income before income taxes and discontinued operations	$	439	$	813

Shareholders_Equity_And_StockB1

Shareholders' Equity And Stock-Based Compensation (Tables)	3 Months Ended
	Mar. 31, 2015
Shareholders' Equity and Stock-Based Compensation [Abstract]
Summary Of Stock Option Activity
				Weighted-average		Aggregate
		Number of Shares		Exercise Price		Intrinsic Value
	Outstanding at December 31, 2014	1,313	$	5.86
	Options forfeited or cancelled	-		-
	Options granted	128		6.87
	Options exercised	-11		3.52
	Outstanding at March 31, 2015	1,430	$	5.97	$	3,836
	Exercisable at March 31, 2015	1,082	$	6.06	$	3,031
	Available for future grant at December 31, 2014	175
	Available for future grant at March 31, 2015	50

Income_Per_Share_Tables

Income Per Share (Tables)	3 Months Ended
	Mar. 31, 2015
Income Per Share [Abstract]
Reconciliation Of Basic And Diluted Income Per Share
		Three Months Ended
			31-Mar-15		31-Mar-14
	Numerator:
	Income before  discontinued operations	$	284	$	787
	Loss from discontinued operations, net of income taxes (note 4)		-		-270
	Net income	$	284	$	517
	Denominator:
	Basic – weighted shares outstanding		5,849		5,729
	Weighted shares assumed upon exercise of stock options		378		130
	Diluted – weighted shares outstanding		6,227		5,859
	Basic income (loss) per share:
	Continuing operations	$	0.05	$	0.14
	Discontinued operations		-		-0.05
	Net income per share:	$	0.05	$	0.09
	Diluted income (loss) per share:
	Continuing operations	$	0.05	$	0.14
	Discontinued operations		-		-0.05
	Net income per share:	$	0.05	$	0.09

Statements_Of_Cash_Flows_Table

Statements Of Cash Flows (Tables)	3 Months Ended
	Mar. 31, 2015
Statements Of Cash Flows [Abstract]
Supplemental Disclosures Of Cash Flow Information
		Three Months Ended
		March 31,		March 31,
		2015		2014
	Interest received	$	12	$	-
	Interest paid		89		134
	Income taxes paid		110		-

Revenue_By_Market_Tables

Revenue By Market (Tables)	3 Months Ended
	Mar. 31, 2015
Revenue By Market [Abstract]
Schedule Of Net Revenue By Market
			Three Months Ended
		March 31,		March 31,
		2015		2014
	Medical	$	8,957	$	9,483
	Hearing Health		5,564		5,859
	Professional Audio Communications		2,081		1,968
	Total Revenue	$	16,602	$	17,310

General_Details

General (Details) (USD $)	0 Months Ended
In Millions, unless otherwise specified	Jun. 13, 2013
General [Abstract]
Expected annual cost reduction amount	$3

Restructuring_Charges_Details

Restructuring Charges (Details) (Employee Termination And Moving Costs [Member], USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2014
Employee Termination And Moving Costs [Member]
Restructuring Cost and Reserve [Line Items]
Incurred restructuring charges	$83

Discontinued_Operations_Narrat

Discontinued Operations (Narrative) (Details) (USD $)	0 Months Ended	3 Months Ended
In Thousands, unless otherwise specified	Jan. 27, 2014	Mar. 31, 2014
Discontinued Operations [Line Items]
Proceeds from sale of business	$500	$500
Loss on sale of discontinued operations	-120	-120
Microphone And Receiver Businesses [Member]
Discontinued Operations [Line Items]
Proceeds from sale of business	$500

Discontinued_Operations_Schedu

Discontinued Operations (Schedule Of Loss On Sale Of Discontinued Operations) (Details) (USD $)	0 Months Ended	3 Months Ended
In Thousands, unless otherwise specified	Jan. 27, 2014	Mar. 31, 2014
Discontinued Operations [Abstract]
Accounts receivable, net	$384
Inventory, net	128
Property, plant and equipment, net	127
Other assets	1
Accounts payable	-69
Total	571
Cash proceeds received from Sierra Peaks	500	500
Net assets sold	-571
Transaction costs	-49
Loss on sale of discontinued operations	($120)	($120)

Discontinued_Operations_Summar

Discontinued Operations (Summary Of Results Of Operations) (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Discontinued Operations [Abstract]
Sales, net		$207
Operating costs and expenses		-357
Operating loss		-150
Other income, net
Net loss from discontinued operations		($150)

Product_Warranty_Changes_In_Wa

Product Warranty (Changes In Warranty Liability) (Details) (USD $)	3 Months Ended	12 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Product Warranty [Abstract]
Product warranty period	1 year
Beginning balance	$100	$72
Warranty expense	20	122
Closed warranty claims	-12	-94
Ending balance	$108	$100

Geographic_Information_Narrati

Geographic Information (Narrative) (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
	customer	customer	customer
Net Sales [Member] | One Customer [Member]
Revenue, Major Customer [Line Items]
Number of customers	1
Percentage of sales and/or receivables	39.00%
Net Sales [Member] | Two Customers [Member]
Revenue, Major Customer [Line Items]
Number of customers		2
Percentage of sales and/or receivables		49.00%
Accounts Receivable [Member] | Two Customers [Member]
Revenue, Major Customer [Line Items]
Number of customers	2		2
Percentage of sales and/or receivables	33.00%		29.00%

Geographic_Information_Geograp

Geographic Information (Geographical Distribution Of Long-Lived Assets) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Thousands, unless otherwise specified
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$4,600	$4,245
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	3,738	3,307
Other - Primarily Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$862	$938

Geographic_Information_Geograp1

Geographic Information (Geographical Distribution Of Net Sales) (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$16,602	$17,310
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	12,582	12,822
Switzerland [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	629	332
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	528	591
Vietnam [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	437	364
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	434	699
Japan [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	371	322
UK [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	282	523
Turkey [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	264	193
France [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	241	534
Hong Kong [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	195	178
Singapore [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	85	111
All Other Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$554	$641

Inventories_Schedule_Of_Invent

Inventories (Schedule Of Inventories) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Thousands, unless otherwise specified
Inventory [Line Items]
Raw materials	$5,557	$5,887
Work-in process	2,266	2,020
Finished products and components	2,125	2,076
Total	9,948	9,983
Domestic Inventories [Member]
Inventory [Line Items]
Raw materials	3,783	3,993
Work-in process	1,520	1,300
Finished products and components	1,923	1,838
Total	7,226	7,131
Foreign Inventories [Member]
Inventory [Line Items]
Raw materials	1,774	1,894
Work-in process	746	720
Finished products and components	202	238
Total	$2,722	$2,852

Short_And_LongTerm_Debt_Narrat

Short And Long-Term Debt (Narrative) (Details) (USD $)	3 Months Ended	1 Months Ended	0 Months Ended
	Mar. 31, 2015	Mar. 31, 2015	Aug. 31, 2011	Feb. 28, 2015	Aug. 13, 2009	Dec. 31, 2014
Short And Long-Term Debt [Line Items]
Line of credit facility, Non-use fee percentage	0.25%
Quarterly installment amounts	$250,000
Percentage of proceeds from certain asset sales required to pay down term loan	100.00%
Federal Funds Rate [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	0.50%
Domestic Term-Loan [Member]
Short And Long-Term Debt [Line Items]
Loan amount				1,750,000	5,000,000
Seventh Amendment to the Loan and Security Agreement [Member]
Short And Long-Term Debt [Line Items]
Increase in the annual capital expenditure limit		4,500,000
Seventh Amendment to the Loan and Security Agreement [Member] | Domestic Term-Loan [Member]
Short And Long-Term Debt [Line Items]
Loan amount	5,000,000	5,000,000
Additional term loan facility borrowed		3,250,000
Debt instrument maturity date	28-Feb-19
Domestic Asset-Based Revolving Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Weighted average interest rate of debt instruments	4.39%	4.39%				4.51%
International Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Amount outstanding	915,000	915,000				920,000
Remaining borrowing capacity under credit facility	878,000	878,000				956,000
Weighted average interest rate of debt instruments	3.38%	3.38%				4.50%
Minimum interest rate of debt instruments			0.75%
Maximum interest rate of debt instruments			2.50%
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	2.50%
Minimum [Member] | Federal Funds Rate [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	-0.25%
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	4.00%
Maximum [Member] | Federal Funds Rate [Member]
Short And Long-Term Debt [Line Items]
Basis spread on variable rate of debt instruments	1.25%
Maximum [Member] | Seventh Amendment to the Loan and Security Agreement [Member]
Short And Long-Term Debt [Line Items]
Investment spending prior to requiring bank approval		4,000,000
Revolving Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Credit facility, borrowing capacity					8,000,000
Amount outstanding	1,093,000	1,093,000				3,843,000
Remaining borrowing capacity under credit facility	6,341,000	6,341,000				3,456,000
Letters Of Credit [Member]
Short And Long-Term Debt [Line Items]
Credit facility, borrowing capacity					$200,000

Short_And_LongTerm_Debt_Summar

Short And Long-Term Debt (Summary Of Short And Long-Term Debt) (Details) (USD $)	Mar. 31, 2015	Dec. 31, 2014
In Thousands, unless otherwise specified
Debt Instrument [Line Items]
Total Debt	$7,008	$6,513
Less: Current maturities	-1,890	-1,886
Total Long-Term Debt	5,118	4,627
Domestic Asset-Based Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total Debt	1,093	3,843
Foreign Overdraft And Letter Of Credit Facility [Member]
Debt Instrument [Line Items]
Total Debt	915	920
Domestic Term-Loan [Member]
Debt Instrument [Line Items]
Total Debt	$5,000	$1,750

Income_Taxes_Narrative_Details

Income Taxes (Narrative) (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Income Taxes [Abstract]
Income tax expense (benefit)	$155	$26

Income_Taxes_Income_Loss_Befor

Income Taxes (Income (Loss) Before Income Tax By Jurisdiction) (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Operating Loss Carryforwards [Line Items]
Income from continuing operations before income taxes and discontinued operations	$439	$813
Federal [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, United States	-310	316
Singapore [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	541	382
Indonesia [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	20	19
Germany [Member]
Operating Loss Carryforwards [Line Items]
Income (loss) before income taxes, Foreign	$188	$96

Shareholders_Equity_And_StockB2

Shareholders' Equity And Stock-Based Compensation (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended
In Thousands, except Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2014
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Aggregate number of shares of common stock which awards could be granted	50,000				175,000
Maximum amount of common stock participants may elect to purchase	$100
Window period	20 days
Weighted average fair value of options granted	$4.37	$3.85
Expected forfeiture rate of stock options	0.00%
Weighted average remaining contractual life of options exercisable, years	4 years 1 month 6 days
Stock option expense	169	142
Unrecognized compensation costs on non-vested awards	$904
Unrecognized compensation costs, period of recognition, years	2 years 3 months 15 days
2006 Equity Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Aggregate number of shares of common stock which awards could be granted			699,000
Increase in maximum number of shares approved			300,000	250,000
Vesting period of options under equity incentive plan	3 years
Shares issued in lieu of cash for director fees under director program	0	0
2001 Stock Option Plan And Non-Employee Directors' Stock Option Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Aggregate number of shares of common stock which awards could be granted	147,000
Management Purchase Program [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Shares purchased for award	0	0
Employee Stock Purchase Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Increase in maximum number of shares approved	100,000
Maximum number of shares approved under purchase plan	100,000
Shares purchased for award	3,000	5,000
Maximum [Member] | 2006 Equity Incentive Plan [Member]
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]
Term of options	10 years

Shareholders_Equity_And_StockB3

Shareholders' Equity And Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (USD $)	3 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2015
Shareholders' Equity and Stock-Based Compensation [Abstract]
Number of Shares, Outstanding	1,313
Number of Shares, Options granted	128
Number of Shares, Options exercised	-11
Number of Shares, Outstanding	1,430
Number of Shares, Exercisable	1,082
Number of Shares, Available for future grant at December 31, 2014	175
Number of Shares, Available for future grant at March 31, 2015	50
Weighted-average Exercise Price, Outstanding	$5.86
Weighted-average Exercise Price, Options granted	$6.87
Weighted-average Exercise Price, Options exercised	$3.52
Weighted-average Exercise Price, Outstanding	$5.97
Weighted-average Exercise Price, Exercisable	$6.06
Aggregate Intrinsic Value, Outstanding at March 31, 2015	$3,836
Aggregate Intrinsic Value, Exercisable	$3,031

Income_Per_Share_Reconciliatio

Income Per Share (Reconciliation Of Basic And Diluted Income Per Share) (Details) (USD $)	3 Months Ended
In Thousands, except Per Share data, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Income Per Share [Abstract]
Income before discontinued operations	$284	$787
Loss from discontinued operations, net of income taxes (note 4)		-270
Net income	$284	$517
Basic - weighted shares outstanding	5,849	5,729
Weighted shares assumed upon exercise of stock options	378	130
Diluted - weighted shares outstanding	6,227	5,859
Continuing operations	$0.05	$0.14
Discontinued operations		($0.05)
Net income per share:	$0.05	$0.09
Continuing operations	$0.05	$0.14
Discontinued operations		($0.05)
Net income per share:	$0.05	$0.09

RelatedParty_Transactions_Deta

Related-Party Transactions (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Related-Party Transactions [Abstract]
Annual base rent expense, real estate taxes and other charges	$122	$122
Legal service costs	$48	$39

Statements_Of_Cash_Flows_Detai

Statements Of Cash Flows (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Statements Of Cash Flows [Abstract]
Interest received	$12
Interest paid	89	134
Income taxes paid	$110

Revenue_By_Market_Schedule_Of_

Revenue By Market (Schedule Of Net Revenue By Market) (Details) (USD $)	3 Months Ended
In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Segment Reporting Information [Line Items]
Total Revenue	$16,602	$17,310
Medical [Member]
Segment Reporting Information [Line Items]
Total Revenue	8,957	9,483
Hearing Health [Member]
Segment Reporting Information [Line Items]
Total Revenue	5,564	5,859
Professional Audio Communications [Member]
Segment Reporting Information [Line Items]
Total Revenue	$2,081	$1,968