Related-Party Transactions	9 Months Ended
Sep. 30, 2017
Related-Party Transactions [Abstract]
Related-Party Transactions	12. Related-Party Transactions One of the Company’s subsidiaries leases office and factory space from a partnership consisting of one present and two 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 $124 and $372 for the three and nine months ended September 30, 2017, respectively, and approximately $121 and $364 for the three and nine months ended September 30, 2016, respectively. The term of the lease runs to January 31, 2022. The partnership sold the property to an unaffiliated third party on October 13, 2017. 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 and nine months ended September 30, 2017, the Company paid that firm approximately $29 and $94, respectively, for legal services and costs. For the three and nine months ended September 30, 2016, the Company paid that firm approximately $50 and $183, respectively, for legal services and costs. The Chairman of our Board of Directors is considered independent under applicable Nasdaq and Securities and 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. The Company has a 50% ownership in Signison, which is a German based hearing health company. Signison owes the Company a note receivable balance of $465 as of September 30, 2017.

12. Related-Party Transactions

One of the Company’s subsidiaries leases office and factory space from a partnership consisting of one present and two 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 $124 and $372 for the three and nine months ended September 30, 2017, respectively, and approximately $121 and $364 for the three and nine months ended September 30, 2016, respectively. The term of the lease runs to January 31, 2022. The partnership sold the property to an unaffiliated third party on October 13, 2017.

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 and nine months ended September 30, 2017, the Company paid that firm approximately $29 and $94, respectively, for legal services and costs. For the three and nine months ended September 30, 2016, the Company paid that firm approximately $50 and $183, respectively, for legal services and costs. The Chairman of our Board of Directors is considered independent under applicable Nasdaq and Securities and 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.

The Company has a 50% ownership in Signison, which is a German based hearing health company. Signison owes the Company a note receivable balance of $465 as of September 30, 2017.