The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Note 7 - Changes in Shareholders' Equity and Comprehensive Income - Schedule of Changes in Shareholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Balance			$ 115,731
Net income	$ 7,787	$ 9,064	31,121	$ 27,100
Balance	132,858		132,858
Additional Paid-in Capital [Member]
Balance			9,381
Share based compensation			2,312
Dividends declared
Net income
Balance	11,693		11,693
Retained Earnings [Member]
Balance			106,320
Share based compensation
Dividends declared			(16,306)
Net income			31,121
Balance	$ 121,135		$ 121,135