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Note 17 - Major Customers and Accounts Receivable
9 Months Ended
Sep. 30, 2019
Notes to Financial Statements  
Concentration Risk Disclosure [Text Block]
17.
MAJOR CUSTOMERS AND ACCOUNTS RECEIVABLE
 
For the
three
months ended
September 30, 2019
and
2018,
one
customer accounted for
28%
and
three
customers accounted for
56%
of revenue, respectively. For the
nine
months ended
September 30, 2019
and
2018,
three
customers accounted for
50%
and
two
customers accounted for
39%
of revenue, respectively.
 
At
September 30, 2019,
one
customer accounted for
71%
of accounts receivable. At
December 31, 2018,
one
customer accounted for
70%
of current accounts receivable. One customer accounted for
100%
of non-current accounts receivable as of
September 30, 2019
and
December 31, 2018,
the full amount of which has been reserved for.