XML 22 R32.htm IDEA: XBRL DOCUMENT v3.2.0.727

Teva Agreement (Details Textual) - USD ($)	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Deferred Revenue, Revenue Recognized	$ 24,000	$ 322,000

X

- Definition

Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 605



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SAB TOPIC 13.A.4(a).Q1)



-URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Staff Accounting Bulletin (SAB)



-Number Topic 13



-Section A

+ Details

Name:	us-gaap_DeferredRevenueRevenueRecognized
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration