Note I - Stockholders' Equity (Tables)

3 Months Ended

Jun. 30, 2019

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

	Common Stock		Additional Paid-In Capital		Treasury Stock			Retained Earnings
BALANCE AT MARCH 31, 2019	$	8,205,160	$	29,322,472	$	(5,525,964	)	$	40,479,909
Net earnings		—		—		—			194,772
Issuance of restricted stock		20,000		—		—			—
Paid in capital – restricted stock awards		—		63,236		—			—
Cash dividends ($0.04 per share)		—		—		—			(279,978	)
BALANCE AT JUNE 30, 2019	$	8,225,160	$	29,385,708	$	(5,525,964	)	$	40,394,703

	Common Stock		Additional Paid-In Capital		Treasury Stock			Retained Earnings
BALANCE AT MARCH 31, 2018	$	8,185,160	$	29,154,874	$	(5,475,964	)	$	36,711,380
Net earnings		—		—		—			3,599,893
Paid in capital – restricted stock awards		—		72,240		—			—
Cash dividends ($0.03 per share)		—		—		—			(210,283	)
BALANCE AT JUNE 30, 2018	$	8,185,160	$	29,227,114	$	(5,475,964	)	$	40,100,990