Note P - Quarterly Financial Information (Unaudited) (Tables)

12 Months Ended

Mar. 31, 2019

Notes Tables

Quarterly Financial Information [Table Text Block]

	First Quarter		Second Quarter		Third Quarter		Fourth Quarter (a)
Fiscal Year 201 9
Total revenues	$	30,168	$	29,330	$	20,222	$	22,129
Gross profit (b)		5,025		6,413		3,744		3,600
Income from operations		9,087		8,480		4,896		5,513
Net income		4,795		4,484		9,722		2,492
Per share information
Net income per share
Basic (c)	$	1.15	$	1.07	$	2.32	$	.60
Diluted (c)	$	1.13	$	1.06	$	2.30	$	.59
Shares used in computation of net income per share
Basic (c)		4,185,000		4,188,000		4,187,000		4,187,000
Diluted (c)		4,226,000		4,231,000		4,221,000		4,202,000

	First Quarter		Second Quarter		Third Quarter			Fourth Quarter
Fiscal Year 2018
Total revenues	$	30,803	$	31,471	$	22,021		$	19,906
Gross profit (b)		4,820		6,486		4,168			2,482
Income from operations		8,450		8,734		5,370			4,546
Net income (loss)		2,922		3,120		(3,779	)		367
Per share information
Net income (loss) per share
Basic (c)	$	.70	$	.75	$	(.90	)	$	.09
Diluted (c)	$	.69	$	.74	$	(.90	)	$	.09
Shares used in computation of net income (loss) per share
Basic (c)		4,177,000		4,179,000		4,185,000			4,185,000
Diluted (c)		4,215,000		4,212,000		4,185,000			4,228,000