OTHER INTANGIBLE ASSETS, NET (Tables)

6 Months Ended

Sep. 30, 2020

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Components and Changes in Other Intangible Assets

As of September 30, 2020, and March 31, 2020, the components of, and changes in, the carrying amount of Other intangible assets, net, were as follows (dollars in thousands):

	September 30, 2020							March 31, 2020
	Gross Carrying Amount		Accumulated Amortization			Net		Gross Carrying Amount		Accumulated Amortization			Net
Patents	$	2,791	$	(1,787	)	$	1,004	$	2,766	$	(1,700	)	$	1,066
Licenses		58		(58	)		—		58		(58	)		—
Trade name and trademarks (indefinite lived)		1,018		—			1,018		1,014		—			1,014
Customer relationships		3,600		(3,571	)		29		3,600		(3,545	)		55
Developed technology		900		(857	)		43		900		(819	)		81
Total	$	8,367	$	(6,273	)	$	2,094	$	8,338	$	(6,122	)	$	2,216

Summary of Estimated Amortization Expense

The estimated amortization expense for the remainder of fiscal 2021, the next five fiscal years and beyond is shown below (dollars in thousands):

Fiscal 2021 (period remaining)	$	145
Fiscal 2022		201
Fiscal 2023		110
Fiscal 2024		106
Fiscal 2025		96
Fiscal 2026		86
Thereafter		332
Total	$	1,076