Business Segments, Significant Customer and Geographic Information (Tables)

12 Months Ended

Mar. 31, 2020

Business Segments, Significant Customer and Geographic Information

Schedule of selected unaudited condensed consolidated financial information for reportable segments

					Agriculture
	Roadway		Transportation		and Weather
	Sensors		Systems		Analytics		Total
	(In thousands)
Year Ended March 31, 2020
Product revenues	$	49,082	$	5,925	$	—	$	55,007
Service revenues		288		52,108		6,714		59,110
Total revenues		49,370		58,033		6,714		114,117
Depreciation		200		330		77		607
Segment income (loss)		7,787		10,556		(3,852)		14,491
Year Ended March 31, 2019
Product revenues		43,253		4,974		—		48,227
Service revenues		239		44,841		5,816		50,896
Total revenues		43,492		49,815		5,816		99,123
Depreciation		233		195		103		531
Segment income (loss)		7,011		5,907		(5,024)		7,894
Year Ended March 31, 2018
Product revenues		44,163		2,301		—		46,464
Service revenues		194		52,180		4,891		57,265
Total revenues		44,357		54,481		4,891		103,729
Depreciation		221		204		109		534
Segment income (loss)	$	8,825	$	8,639	$	(8,048)	$	9,416

Schedule of reconciles total segment income (loss) to unaudited condensed consolidated loss from continuing operations before income taxes

	Year Ended March 31,
	2020		2019		2018
	(In thousands)
Segment income:
Total income from reportable segments	$	14,491	$	7,894	$	9,416
Unallocated amounts:
Corporate expenses		(19,710)		(15,578)		(14,930)
Amortization of intangible assets		(757)		(275)		(88)
Operating loss	$	(5,976)	$	(7,959)	$	(5,602)
	$	(5,976)	$	(7,959)	$	(5,602)

Schedule of percentages of revenues, by geographic region, derived from shipments to, or contract, service and other revenues from, external customers located outside the U.S.

	Year Ended March 31,
	2020		2019		2018
Canada	—	%	—	%	1	%
Europe	—		1		1
	—	%	1	%	2	%