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Concentration of Credit Risk
6 Months Ended
Jun. 30, 2021
Risks and Uncertainties [Abstract]  
Concentration of Credit Risk
NOTE 3. CONCENTRATION OF CREDIT RISK

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash equivalents, short-term investments and accounts receivable.

The Company has financial institutions for banking operations that hold 10% or more of the Company’s cash and cash equivalents. As of June 30, 2021, three of the Company's financial institutions held 61%, 16% and 13% of the Company’s cash and cash equivalents, respectively. As of December 31, 2020, three of the Company's financial institutions held 53% and 14% and 16% of the Company’s cash and cash equivalents, respectively.
The Company grants credit to domestic and international customers. Exposure to losses on accounts receivable is principally dependent on each client's financial position. None of the Company's customers accounted for 10% or more of the net accounts receivable balance as of June 30, 2021 and December 31, 2020.

Customers who represented 10% or more of the Company’s total revenue for the three and six months ended June 30, 2021 and 2020 were as follows:


Three Months Ended June 30,Six Months Ended June 30,
2021202020212020
Company A
*
10 %**
* Less than 10% for the period indicated