Concentration of Credit Risk and Significant Customers

3 Months Ended

Mar. 31, 2021

Concentration of Credit Risk and Significant Customers

The Company manages its credit risk associated with exposure to distributors and direct customers on outstanding accounts receivable through the application of credit approvals and other monitoring procedures. Credit sales, which are mainly on credit terms of 30 to 60 days, are only made to customers who meet the Company's credit standards, while sales to new customers or customers with low credit ratings are usually made on an advance payment basis. The Company closely monitors the aging of accounts receivable from its distributors and direct customers, and regularly reviews their financial positions, where available.

Significant customers are those that represent 10% or more of revenue or accounts receivable and are set forth in the following tables:


		As of March 31, 2021	As of December 31,
Accounts Receivable			2020	2019
Customer A		31.1%	49.3%	60.0%
Customer B		33.9%	31.9%	20.4%
Customer C		10.0%	*	*

	For the Three Months Ended March 31,		For the Year Ended December 31,
Revenue	2021	2020 (unaudited)	2020	2019
Customer A	27.3%	31.3%	59.6%	79.6%
Customer B	31.2%	53.2%	29.2%	13.3%

* Less than 10% of total

Customer A is a related party and Customer B is a government agency. See Note 17 - Related Party Transactions.