Note 5 - Earnings Per Share (Tables)

12 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Year Ended March 31
	2018		2017
Basic
Net earnings (loss)	$	2,759,404	$	(2,678,684	)
Weighted average common shares		7,009,444		6,851,944
Dilutive
Net earnings (loss)	$	2,759,404	$	(2,678,684	)
Weighted average common shares and common share equivalents		7,009,444		6,851,944