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Note 10 - Concentration of Credit Risk
3 Months Ended
Mar. 31, 2021
Notes to Financial Statements  
Concentration Risk Disclosure [Text Block]
Note
10
- Concentration of Credit Risk
 
Concentration of credit risk with respect to trade accounts receivable is generally limited due to the large number of entities comprising the Company's customer base. The Company performs ongoing credit evaluations and provides an allowance for potential credit losses against the portion of accounts receivable which is estimated to be uncollectible. Such losses have historically been within management's expectations. During the
three
months ended
March 31, 2021
and
2020,
there was
one
customer whose purchases represented more than
10%
of the Company's consolidated net sales. Sales to this customer for the
three
months ended
March 31, 2021
and
2020
are as follows:
 
   
Three Months Ended
   
Three Months Ended
 
   
March 31, 2021
   
March 31, 2020
 
Customer
 
Net Sales
   
% of Net
Sales
   
Net Sales
   
% of Net
Sales
 
Customer A
  $
3,991,000
     
54
%
  $
3,222,000
     
46
%
 
As of
March 31, 2021,
the total amounts owed to the Company by this customer were approximately
$2,385,000
or
33%
of the Company's consolidated net accounts receivable. The amounts owed at
March 31, 2020
by this customer was approximately
$2,097,000
or
29%
of the Company's consolidated net accounts receivable.