AVERAGE SHARE INFORMATION (Details) - USD ($)	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Basic:
Weighted average common shares outstanding (in shares)	6,867,457	8,507,121
Diluted:
Weighted average common shares outstanding (in shares)	6,867,457	8,507,121
Dilutive potential common shares stock options (in shares)	60,664	359,129
Weighted average diluted shares outstanding (in shares)	6,928,121	8,866,250
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	642,011	683,442
Net Income (Loss) Attributable to Parent	$ 15,509,649	$ 8,608,399
Earnings Per Share, Basic	$ 2.26	$ 1.01
Earnings Per Share, Diluted	$ 2.24	$ 0.97