Concentration of Risk

6 Months Ended

Jun. 30, 2018

Concentration of Risk

Concentration of Risk

Note 12.  Concentration of Risk

For the three months ended June 30, 2018, one customer accounted for 23.9% of total revenue. For the three months ended June 30, 2017,  four customers accounted for 27.3%,  21.6%,  12.8% and 10.5% of total revenue, respectively.

For the six months ended June 30, 2018,  two customers accounted for 24.9% and 11.8% of total revenue, respectively. For the six months ended June 30, 2017, four customers accounted for 22.3%,  19.2%,  15.7% and 13.3% of total revenue, respectively.

At June 30, 2018, one customer accounted for 10.0% of accounts receivable, respectively. At December 31, 2017, three customers accounted for 19.8%,  11.8% and 10.6% of accounts receivable, respectively.