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 |