Segment Data (Tables)

12 Months Ended

Mar. 31, 2017

Segment Reporting [Abstract]

Schedule of segment information

	Revenues						Operating (Loss) Profit
(dollars in thousands)	For the year ended March 31,						For the year ended March 31,
	2017		2016		2015		2017			2016			2015
Segments:
U.S. Markets	$	17,852	$	38,841	$	37,778	$	(1,357	)	$	(4,958	)	$	(12,542	)
Engineered Systems	29,501		26,325		33,454		(3,647		)	(6,982		)	(12,431		)
Distribution Services	22,858		2,476		978		(927		)	(632		)	(455		)
Corporate and Other	—		—		—		(6,596		)	(7,349		)	(6,508		)
	$	70,211	$	67,642	$	72,210	$	(12,527	)	$	(19,921	)	$	(31,936	)
	Depreciation and Amortization						Capital Expenditures
	For the year ended March 31,						For the year ended March 31,
	2017		2016		2015		2017			2016			2015
Segments:
U.S. Markets	$	359	$	1,168	$	1,711	$	150		$	72		$	626
Engineered Systems	1,249		1,987		1,404		224			43			495
Distribution Services	148		71		32		184			10			40
Corporate and Other	576		939		1,036		102			276			845
	$	2,332	$	4,165	$	4,183	$	660		$	401		$	2,006

	Total Assets				Deferred Revenue
	March 31, 2017		March 31, 2016		March 31, 2017		March 31, 2016
Segments:
U.S. Markets	$	6,698	$	18,503	$	141	$	167
Engineered Systems	18,111		21,885		1,424		1,098
Distribution Services	9,702		1,386		—		—
Corporate and Other	27,540		29,101		—		—
	$	62,051	$	70,875	$	1,565	$	1,265