Note L - Stockholders' Equity (Tables)

6 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Stockholders Equity [Table Text Block]

			Additional
	Common		Paid-In		Treasury			Retained
	Stock		Capital		Stock			Earnings
BALANCE AT MARCH 31, 2020	$	8,295,160	$	29,565,416	$	(5,525,964	)	$	34,530,755
Net loss		—		—		—			(858,862	)
Issuance of restricted stock		11,000		—		—			—
Paid in capital – restricted stock awards		—		99,814		—			—
Cash dividends ($0.02 per share)		—		—		—			(143,229	)
BALANCE AT JUNE 30, 2020	$	8,306,160	$	29,665,230	$	(5,525,964	)	$	33,528,664
Net loss		—		—		—			(250,005	)
Paid in capital – restricted stock awards		—		110,813		—			—
Repurchase of shares		—		—		(410,221	)		—
Cash dividends ($0.02 per share)		—		—		—			(143,181	)
BALANCE AT SEPTEMBER 30, 2020	$	8,306,160	$	29,776,043	$	(5,936,185	)	$	33,135,478

			Additional
	Common		Paid-In		Treasury			Retained
	Stock		Capital		Stock			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
Net loss		—		—		—			(1,544,137	)
Paid in capital – restricted stock awards		—		83,236		—			—
Cash dividends ($0.02 per share)		—		—		—			(139,990	)
BALANCE AT SEPTEMBER 30, 2019	$	8,225,160	$	29,468,944	$	(5,525,964	)	$	38,710,576