Annual report pursuant to Section 13 and 15(d)

16. Segment and Geographic Information (Details)

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16. Segment and Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Sales revenue from Geographical territories $ 14,583 $ 11,853
U.S.
   
Sales revenue from Geographical territories 6,842 4,716
Mexico
   
Sales revenue from Geographical territories 5,886 5,190
Europe and Other
   
Sales revenue from Geographical territories $ 1,855 $ 1,947