Concentration Of Credit Risk

9 Months Ended

Sep. 30, 2019

Concentration Of Credit Risk [Abstract]

Concentration Of Credit Risk

NOTE 6 — CONCENTRATION OF CREDIT RISK

For the three months ended September 30, 2019and 2018one significant customer (defined as contributing at least 10%) accounted for 10% and 11% of revenue from operations, respectively. The significant customer is a large telecommunications operator in Europe.

For the nine months ended September 30, 2019and 2018one significant customer (defined as contributing at least 10%) accounted for 11% and 11% of revenue from operations, respectively. The significant customeris a large telecommunications operator in Europe.

As of September 30, 2019, a significant customer, a telecommunication carrier in Africa, accounted for approximately 13% of contract receivables and unbilled work-in-progress. As of December 31, 2018, no customers accounted for 10% of contract receivables and unbilled work-in-progress.