Note 14 Segment and Geographic Information (Narratives) (Details)	3 Months Ended		6 Months Ended
	Sep. 30, 2014 N	Sep. 30, 2013 N	Sep. 30, 2014 N	Sep. 30, 2013 N
Segment Reporting [Abstract]
Top Customer Percentage More Than 10% of Total Revenue	11.40%	12.10%	10.90%	12.50%
Second Customer Percentage More Than 10% of Total Revenue				10.60%
Number of Major Customers	1	1	1	2