Consolidated Statements of Stockholders' Equity (Deficit) (Parenthetical) (USD $)	1 Months Ended	5 Months Ended	8 Months Ended	9 Months Ended	12 Months Ended	54 Months Ended	63 Months Ended
Jun. 30, 2011	Dec. 31, 2012	Mar. 28, 2012	Apr. 30, 2013	Apr. 30, 2012	Jul. 31, 2012	Jul. 31, 2012	Apr. 30, 2013
Consolidated Statement of Stockholders' Equity (Deficit)
Public offering on March 28, 2012, issuance costs	$ 210,000	$ 504,000	$ 542,500	$ 504,000	$ 542,500	$ 542,500	$ 542,500	$ 1,046,500

The cash outflow for cost incurred directly with the issuance of an equity security.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

-URI http://asc.fasb.org/extlink&oid=6513228

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 18, 19, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585

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