Quarterly report pursuant to Section 13 or 15(d)

9. Segment and Geographic Information (Details)

v2.4.0.6
9. Segment and Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Revenues from External Customers and Long-Lived Assets [Line Items]    
Sales revenue from Geographical territories $ 3,816 $ 2,710
UnitedStatesOfAmericaMember
   
Revenues from External Customers and Long-Lived Assets [Line Items]    
Sales revenue from Geographical territories 2,033 840
MexicoMember
   
Revenues from External Customers and Long-Lived Assets [Line Items]    
Sales revenue from Geographical territories 1,378 1,380
SegmentGeographicalGroupsOfCountriesGroupOneMember
   
Revenues from External Customers and Long-Lived Assets [Line Items]    
Sales revenue from Geographical territories $ 405 $ 490