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Concentrations of Credit Risk
9 Months Ended
Sep. 30, 2021
Concentrations of Credit Risk  
Concentrations of Credit Risk

4.

Concentrations of Credit Risk

Financial instruments that potentially subject the Company to concentrations of credit risk have consisted principally of cash and cash equivalent investments and trade receivables. The Company invests available cash in bank deposits, investment-grade securities, and short-term interest-producing investments, including government obligations and other money market instruments. At September 30, 2021 and December 31, 2020, the investments were bank deposits and overnight sweep accounts. The Company has adopted credit policies and standards to evaluate the risk associated with sales that require collateral, such as letters of credit or bank guarantees, whenever deemed necessary. Management  believes that any risk of loss is significantly reduced due to the nature of the customers and distributors with which the Company does business.

As of September 30, 2021, there was one customer that accounted for more than 10% of the Company’s accounts receivable and no customer accounted for more than 10% of the Company’s revenues during the three and nine months presented for 2021. No customers accounted for more than 10% of the Company’s accounts receivable or revenues as of  December 31, 2020  or during the periods presented.