8. RELATED PARTY TRANSACTIONS (Details Narrative) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2016 |
Jan. 31, 2015 |
Jan. 31, 2016 |
Jan. 31, 2015 |
|
| SG Austria [Member] | ||||
| Equity investment percentage | 14.50% | 14.50% | ||
| SG Austria [Member] | ||||
| Purchases from related parties | $ 122,000 | $ 0 | $ 325,000 | $ 6,000 |
| Vin-de-Bona [Member] | ||||
| Professional fees included in research and development | $ 21,000 | $ 49,000 | 40,000 | $ 58,000 |
| Austrianova [Member] | ||||
| Payments made for licensing agreement | $ 1,700,000 | |||
| X | ||||||||||
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of other research and development expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The cash outflow to acquire asset without physical form usually arising from contractual or other legal rights, excluding goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|