Note 3 - Net Earnings Per Share (Tables)

6 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

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

		Three Months Ended September 30,				Six Months Ended September 30,
		2014		2013		2014		2013
Net Earnings		$	1,818,306	$	456,110	$	1,891,103	$	594,621
Earnings Per Share:
	Basic	$	0.77	$	0.19	$	0.80	$	0.24
	Diluted	$	0.77	$	0.18	$	0.80	$	0.24
Weighted Average Shares Outstanding:
	Basic		2,355,028		2,446,286		2,355,028		2,446,286
	Diluted		2,375,398		2,485,246		2,375,660		2,477,047