|
8. Segment and Geographic Information (Details) (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|
| Sales revenue from geographical territories | $ 3,853,000 | $ 4,264,000 | $ 7,007,000 | $ 8,080,000 |
|
U.S.
|
||||
| Sales revenue from geographical territories | 1,898,000 | 1,898,000 | 3,221,000 | 3,931,000 |
|
Mexico
|
||||
| Sales revenue from geographical territories | 1,352,000 | 1,862,000 | 2,776,000 | 3,240,000 |
|
Europe and Other
|
||||
| Sales revenue from geographical territories | $ 603,000 | $ 504,000 | $ 1,010,000 | $ 909,000 |