For the three months ended March 31, 2022, the Company had one major customer to which sales accounted for approximately 12.3% of the Company’s revenues. The Company had accounts receivable from this customer amounting to 16.8% of the total accounts receivable balance.

For the three months ended March 31, 2021, the Company had one major customer to which sales accounted for approximately 8.1% of the Company’s revenues. The Company had accounts receivable from this customer amounting to 14% of the total accounts receivable balance.