| Revenue by geographic location |
| |
|
Three
months
ended
January 31,
2016 |
|
Nine
months
ended
January 31,
2016 |
| |
|
Approximate
($) |
|
Approximate
($) |
| United
States |
|
$ |
5,039,000 |
|
|
$ |
16,260,000 |
|
| Europe |
|
|
1,396,000 |
|
|
|
3,391,000 |
|
| Other
(principally Asia Pacific Region) |
|
|
168,000 |
|
|
|
341,000 |
|
| Consolidated |
|
$ |
6,603,000 |
|
|
$ |
19,992,000 |
|
| |
|
Three
months
ended
January 31,
2015 |
|
Nine
months
ended
January 31,
2015 |
| |
|
Approximate
($) |
|
Approximate
($) |
| United
States |
|
$ |
6,914,000 |
|
|
$ |
19,243,000 |
|
| Europe |
|
|
1,018,000 |
|
|
|
3,016,000 |
|
| Other
(principally Asia Pacific Region) |
|
|
119,000 |
|
|
|
396,000 |
|
| Consolidated |
|
$ |
8,051,000 |
|
|
$ |
22,655,000 |
|
|