Loss per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net loss	$ (2,582)	$ (4,048)	$ (7,075)	$ (9,575)
Denominator:
Weighted average shares outstanding (in shares)	23,240	23,048	23,230	23,030
Loss per share - basic and diluted:
Loss per share (in dollars per share)	$ (0.11)	$ (0.18)	$ (0.30)	$ (0.42)
Earnings Per Share, Diluted [Abstract]
Anti-dilutive stock options, SSARs, restricted shares and performance shares	1,469	1,471	1,414	1,443