Note 7 - Stock-based Compensation

6 Months Ended

Sep. 30, 2020

Notes to Financial Statements

Share-based Payment Arrangement [Text Block]

NOTE

7.

STOCK-BASED COMPENSATION

     Stock-based compensation expense was

$34,315

for the

second

quarter of fiscal

2021,

$37,022

for the

first

six

months of fiscal

2021,

and

$48,360

for the

second

quarter and

first

six

months of fiscal

2020.

We calculate the share-based compensation expense using the Black-Scholes standard option-pricing model.