Concentrations	6 Months Ended
Jun. 30, 2020
Concentrations
Concentrations	11. Concentrations For the three months ended June 30, 2020, two customers accounted for 11% and 10% of the Company’s revenues. For the three months ended June 30, 2019, three customers accounted for 13%, 12%, and 11% of the Company’s revenues. For the six months ended June 30, 2020, no customer accounted for more than 10% of the Company’s revenues. For the six months ended June 30, 2019, four customers accounted for 14%, 12%, 11% and 11% of the Company’s revenues. As of June 30, 2020, two customers accounted 17% and 10% of the Company’s accounts receivable. As of December 31, 2019, one customer accounted for 15% of the Company’s accounts receivable. For the three months ended June 30, 2020, one supplier accounted for 40% of the Company’s total purchases. For the three months ended June 30, 2019, one supplier accounted for 12% of the Company’s total purchases. For the six months ended June 30, 2020, one supplier accounted for 36% of the Company’s total purchases. For the six months ended June 30, 2019, no supplier accounted for more than 10% or more of the Company’s total purchases. As of June 30, 2020, three suppliers accounted for 19%, 18% and 15% of the Company’s accounts payable. As of December 31, 2019, one supplier accounted for 44% of the Company’s accounts payable.

Concentrations

6 Months Ended

Jun. 30, 2020

11. Concentrations

For the three months ended June 30, 2020, two customers accounted for 11% and 10% of the Company’s revenues. For the three months ended June 30, 2019, three customers accounted for 13%, 12%, and 11% of the Company’s revenues. For the six months ended June 30, 2020, no customer accounted for more than 10% of the Company’s revenues. For the six months ended June 30, 2019, four customers accounted for 14%, 12%, 11% and 11% of the Company’s revenues. As of June 30, 2020, two customers accounted 17% and 10% of the Company’s accounts receivable. As of December 31, 2019, one customer accounted for 15% of the Company’s accounts receivable.

For the three months ended June 30, 2020, one supplier accounted for 40% of the Company’s total purchases. For the three months ended June 30, 2019, one supplier accounted for 12% of the Company’s total purchases. For the six months ended June 30, 2020, one supplier accounted for 36% of the Company’s total purchases. For the six months ended June 30, 2019, no supplier accounted for more than 10% or more of the Company’s total purchases. As of June 30, 2020, three suppliers accounted for 19%, 18% and 15% of the Company’s accounts payable. As of December 31, 2019, one supplier accounted for 44% of the Company’s accounts payable.