Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income (loss)	$ (2,070)	$ (2,582)	$ 3,280	$ (7,075)
Series A convertible preferred stock issuance costs			(1,031)
Series A convertible preferred stock dividends	(459)		(1,117)
Net (loss) income attributable to common shareholders	$ (2,529)	$ (2,582)	$ 1,132	$ (7,075)
Denominator:
Weighted average shares outstanding - basic	23,429	23,240	23,419	23,230
Dilutive SSARs			377
Dilutive unvested restricted shares			107
Weighted average shares outstanding - diluted	23,429	23,240	23,903	23,230
Net (loss) income per share - basic:	$ (0.11)	$ (0.11)	$ 0.05	$ (0.30)
Net (loss) income per share - diluted:	$ (0.11)	$ (0.11)	$ 0.05	$ (0.30)
Earnings Per Share, Diluted [Abstract]
Anti-dilutive stock options, SSARs, restricted shares, performance shares and preferred shares	3,389	1,469	2,692	1,414