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Significant Customer and Other Information
6 Months Ended
Sep. 30, 2021
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 percentage of net sales:

 
 
Three Months Ended
September 30,
   
Six Months Ended
September 30,
 
 
 
2021
   
2020
   
2021
   
2020
 
Net sales
                       
Customer A
   
40
%
   
45
%
   
37
%
   
45
%
Customer B
   
17
%
   
21
%
   
18
%
   
23
%
Customer C
   
30
%
   
23
%
   
30
%
   
20
%

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

 
September 30, 2021
 
March 31, 2021
 
Accounts receivable - trade
       
Customer A
   
37
%
   
50
%
Customer B
   
19
%
   
23
%
Customer C     10 %
    - %

Geographic and Product Information

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

 
 
Three Months Ended
September 30,
   
Six Months Ended
September 30,
 
 
 
2021
   
2020
   
2021
   
2020
 
Product line
                               
Rotating electrical products
   
73
%
   
80
%
   
71
%
   
77
%
Wheel hub products
   
11
%
   
12
%
   
12
%
   
14
%
Brake related products
   
14
%
   
7
%
   
15
%
   
8
%
Other products
   
2
%
   
1
%
   
2
%
   
1
%
 
   
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, 2021 and 2020.