XML 64 R24.htm IDEA: XBRL DOCUMENT

Related-Party Transactions	3 Months Ended
Related-Party Transactions	Mar. 31, 2020
Related-Party Transactions [Abstract]
Related-Party Transactions	16. Related-Party Transactions The Company has a 50% ownership in Signison, a German based hearing health company. Signison owes the Company a notes receivable, net of allowances, of $473 which is included in investment in partnership on the balance sheet as of March 31, 2020.