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Concentration of Credit Risk
6 Months Ended
Jun. 30, 2021
Risks and Uncertainties [Abstract]  
Concentration of Credit Risk Concentration of Credit Risk
As of June 30, 2021 and December 31, 2020, two customers comprised of 52% and 47% of our net accounts receivable balance, respectively. During the three months ended June 30, 2021, revenues from three customers represented 50% of total revenues. During the three months ended June 30, 2020, revenues from one customer represented 12% of total revenues. During the six months ended June 30, 2021 and June 30, 2020, revenues from two customers represented 38% and 29% of our total revenues, respectively.
As of June 30, 2021, two vendors comprised of 40% of our net accounts payable balance. As of December 31, 2020, one vendor comprised of 15% of our net accounts payable balance. For the three months ended June 30, 2021 no vendor exceeded 10% concentration. During the three months ended June 30, 2020, cost of revenues from two vendors represented 28% of our total cost of revenues.