Note 3 - Earnings Per Share (Tables)

9 Months Ended

Dec. 31, 2018

Notes Tables

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

	Three Months Ended			Three Months Ended			Nine Months Ended		Nine Months Ended
	December 31, 2018			December 31, 2017			December 31, 2018		December 31, 2017
Net income	$	(124,683	)	$	(1,927,190	)	$	1,419,288	$	(1,124,060	)
Weighted average common shares outstanding - basic		3,209,207			3,189,056			3,209,100		3,188,949
Weighted average common shares outstanding - diluted		3,209,207			3,189,056			3,209,895		3,188,949
Income per common share - basic and diluted	$	(0.04	)	$	(0.60	)	$	0.44	$	(0.35	)
Anti-dilutive shares		184,060			118,525			183,265		118,525