Significant Customer and Other Information

12 Months Ended

Mar. 31, 2017

Significant Customer and Other Information [Abstract]

Significant Customer and Other Information

15. Significant Customer and Other Information

Significant Customer Concentrations

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

	Years Ended March 31,
	2017			2016			2015
Customer A		44	%		48	%		56	%
Customer B		20	%		18	%		19	%
Customer C		19	%		21	%		11	%
Customer D		4	%		3	%		3	%

The Company’s largest customers accounted for the following total percentage of accounts receivable — trade at March 31:

	2017			2016
Customer A		33	%		37	%
Customer B		18	%		17	%
Customer C		12	%		15	%
Customer D		16	%		9	%

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:

	Years Ended March 31,
	2017			2016			2015
Rotating electrical products		78	%		78	%		82	%
Wheel hub products		19	%		20	%		17	%
Brake master cylinders products		3	%		2	%		1	%
		100	%		100	%		100	%

Net sales of the Company’s other products, which include turbochargers and brake power boosters, accounted for less than 1% of its total net sales.

Significant Supplier Concentrations

No suppliers accounted for more than 10% of the Company’s inventory purchases for the years ended March 31, 2017 and 2016. The Company’s largest supplier accounted for 12% of inventory purchases for the year ended March 31, 2015.