Note 13 Computation of Earnings Per Share (Narratives) (Details)	3 Months Ended		9 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Earnings Per Share [Abstract]
Weighted Average Number Diluted Shares Outstanding Adjustment	482,000	1,035,000	695,000	1,170,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	3,355,738	1,525,471	2,627,911	945,787