Note B - Change in Accounting Estimate

6 Months Ended

Sep. 30, 2017

Notes to Financial Statements

Accounting Changes [Text Block]

NOTE B

— CHANGE IN ACCOUNTING ESTIMATE

During the quarter

ended

June 30, 2017,

the Company determined that the economic useful lives of certain fixed assets at the Decatur, Alabama coil processing facility were greater than the useful lives used to calculate depreciation. As a result, effective

April 1, 2017,

the Company revised the useful lives of these assets resulting in a decrease in depreciation expense of approximately

$160,000,

an increase in net earnings of approximately

$102,000

and an increase in diluted earnings per share of approximately

$0.01

for the quarter ended

September 30, 2017.