Segment, Geographic Location and Customer Information (Details Textual)	3 Months Ended
	Jun. 30, 2012 Segment Customer	Jun. 30, 2011 Customer
Segment, Geographic Location and Customer Information (Textual) [Abstract]
Number of reportable segments	1
Number of major customers	3	3
Customer One [Member]
Segment, Geographic Location and Customer Information (Textual) [Abstract]
Net Sales	30.00%	33.00%
Customer Two [Member]
Segment, Geographic Location and Customer Information (Textual) [Abstract]
Net Sales	18.00%	20.00%
Customer Three [Member]
Segment, Geographic Location and Customer Information (Textual) [Abstract]
Net Sales	15.00%	11.00%