| Revenue by geographic location |
| |
|
Three
months
ended
October 31,
2016 |
|
Six
months
ended
October 31,
2016 |
| United
States |
|
$ |
3,432,000 |
|
|
$ |
6,694,000 |
|
| Europe |
|
|
840,000 |
|
|
|
1,983,000 |
|
| Other
(principally Asia Pacific Region) |
|
|
407,000 |
|
|
|
917,000 |
|
| Consolidated |
|
$ |
4,679,000 |
|
|
$ |
9,594,000 |
|
| |
|
Three
months
ended
October 31,
2015 |
|
Six
months
ended
October 31,
2015 |
| United
States |
|
$ |
5,108,000 |
|
|
$ |
11,220,000 |
|
| Europe |
|
|
879,000 |
|
|
|
1,995,000 |
|
| Other
(principally Asia Pacific Region) |
|
|
64,000 |
|
|
|
173,000 |
|
| Consolidated |
|
$ |
6,051,000 |
|
|
$ |
13,388,000 |
|
|