|
9. Segment and Geographic Information (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Sales revenue from Geographical territories | $ 4,264,000 | $ 3,390,000 | $ 8,080,000 | $ 6,100,000 |
|
U.S.
|
||||
| Sales revenue from Geographical territories | 1,898,000 | 1,446,000 | 3,931,000 | 2,286,000 |
|
MexicoMember
|
||||
| Sales revenue from Geographical territories | 1,862,000 | 1,304,000 | 3,240,000 | 2,684,000 |
|
Europe and Other
|
||||
| Sales revenue from Geographical territories | $ 504,000 | $ 640,000 | $ 909,000 | $ 1,130,000 |