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Significant Customer and Other Information
6 Months Ended
Sep. 30, 2019
Significant Customer and Other Information [Abstract]  
Significant Customer and Other Information
6.
Significant Customer and Other Information

Significant Customer Concentrations

The largest customers accounted for the following total percentage of net sales:

  
Three Months Ended
September 30,
  
Six Months Ended
September 30,
 
  
2019
  
2018
  
2019
  
2018
 
Net sales
            
Customer A
  
41
%
  
39
%
  
40
%
  
38
%
Customer B
  
20
%
  
26
%
  
21
%
  
24
%
Customer C
  
23
%
  
20
%
  
22
%
  
22
%

The largest customers accounted for the following total percentage of accounts receivable – trade:

  
September 30, 2019
  
March 31, 2019
 
Accounts receivable - trade
      
Customer A
  
33
%
  
34
%
Customer B
  
15
%
  
18
%
Customer C
  
23
%
  
16
%

Geographic and Product Information

The Company’s products are predominantly sold in the U.S. and accounted for the following total percentage of net sales:

  
Three Months Ended
September 30,
  
Six Months Ended
September 30,
 
  
2019
  
2018
  
2019
  
2018
 
Rotating electrical products
  
77
%
  
80
%
  
76
%
  
79
%
Wheel hub products
  
15
%
  
14
%
  
16
%
  
16
%
Brake caliper products
  
3
%
  
-
%
  
2
%
  
-
%
Brake master cylinders products
  
1
%
  
2
%
  
2
%
  
2
%
Other products
  
4
%
  
4
%
  
4
%
  
3
%
   
100
%
  
100
%
  
100
%
  
100
%

Significant Supplier Concentrations

The Company had no suppliers that accounted for more than 10% of inventory purchases for the three and six months ended September 30, 2019 and 2018.