Note 3 - Net Earnings Per Share (Tables)

9 Months Ended

Dec. 31, 2013

Earnings Per Share: [Abstract]

Schedule of Stock by Class [Table Text Block]

		Three Months Ended December 31,				Nine Months Ended December 31,
		2013		2012		2013		2012
Net earnings		$	454,897	$	632,760	$	1,049,518	$	1,277,205
Earnings Per Share:
	Basic	$	0.19	$	0.26	$	0.43	$	0.52
	Diluted	$	0.19	$	0.26	$	0.43	$	0.52
Weighted Average Shares Outstanding:
	Basic		2,408,198		2,446,286		2,433,544		2,446,286
	Diluted		2,441,569		2,447,349		2,458,040		2,450,837