Note 3 - Net Earnings Per Share (Tables)

6 Months Ended

Sep. 30, 2013

Earnings Per Share: [Abstract]

Schedule of Stock by Class [Table Text Block]

	Three Months Ended September 30,				Six Months Ended September 30,
	2013		2012		2013		2012
Net earnings	$	456,110	$	227,432	$	594,621	$	644,445
Earnings Per Share:
Basic	$	0.19	$	0.09	$	0.24	$	0.26
Diluted	$	0.18	$	0.09	$	0.24	$	0.26
Weighted Average Shares Outstanding:
Basic		2,446,286		2,446,286		2,446,286		2,446,286
Diluted		2,485,246		2,450,165		2,477,047		2,454,162