Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net income	$ 1,430	$ 591
Less: Allocation of earnings to participating securities	(8)	(4)
Net income allocated to common stock	1,422	587
Basic earnings per share computation:
Net income allocated to common stock	$ 1,422	$ 587
Weighted average common shares outstanding, including shares considered participating securities	7,801	7,973
Less: Weighted average participating securities outstanding	(43)	(52)
Weighted average shares of common stock	7,758	7,921
Basic earnings per share	$ 0.18	$ 0.07
Diluted earnings per share computation:
Net income allocated to common stock	$ 1,422	$ 587
Undistributed earnings re-allocated to participating securities	8
Numerator for diluted earnings per share	$ 1,430	$ 587
Weighted average common shares outstanding for basic earnings per share	7,758	7,921
Incremental shares from stock options		1
Weighted average shares and dilutive potential common shares	7,758	7,922
Diluted earnings per share	$ 0.18	$ 0.07