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Note 13 - Major Customers
 6 Months Ended
Mar. 31, 2017
Notes to Financial Statements  
Concentration Risk Disclosure [Text Block]
13.
MAJOR CUSTOMERS
 
For the
three
months ended
March
31,
2017,
revenues from
two
customers accounted for
23%
and
11%
of total revenues, and for the
six
months ended
March
31,
2017,
revenues from
two
customers accounted for
15%
and
10%
of total revenues, with
no
other single customer accounting for more than
10%
of revenues. At
March
31,
2017,
accounts receivable from
three
customers accounted for
41%,
24%
and
14%
of total accounts receivable, respectively, with
no
other single customer accounting for more than
10%
of the accounts receivable balance.
 
For the
three
months ended
March
31,
2016,
revenues from
one
customer accounted for
20%
of total revenues, and for the
six
months ended
March
31,
2016,
revenues from
one
customer accounted for
11%
of total revenues, with no other single customer accounting for more than
10%
of revenues. At
March
31,
2016,
accounts receivable from
three
customers accounted for
32%,
11%
and
10%
of total accounts receivable, respectively, with
no
other single customer accounting for more than
10%
of the accounts receivable balance.
 
The following table summarizes revenues by geographic region. Revenues are attributed to countries based on customer's delivery location.
 
 
 
Three months ended
 
 
Six months ended
 
 
 
March 31,
 
 
March 31,
 
 
 
2017
 
 
2016
 
 
2017
 
 
2016
 
Americas
   $
2,099,151
    $
2,417,362
    $
3,721,509
    $
3,615,657
 
Europe, Middle East and Africa
    
719,415
     
158,648
     
1,053,792
     
497,322
 
Asia Pacific
    
2,923,825
     
1,025,964
     
3,908,425
     
2,310,527
 
Total Revenues
   $
5,742,391
    $
3,601,974
    $
8,683,726
    $
6,423,506