6. STOCKHOLDERS' EQUITY (Details Narrative) (USD $)	1 Months Ended	9 Months Ended
Mar. 12, 2015	Jan. 31, 2015
Stock Options [Member]
Common shares reserved for issuance		25,002,996
Employee Stock Purchase Plan [Member]
Common shares reserved for issuance		2,714,717
Warrants [Member]
Common shares reserved for issuance		273,280
Series E Preferred Stock [Member]
Common shares reserved for issuance		34,220,116
December 2012 AMI Agreement [Member]
Stock sold, shares issued		3,983,360
Stock sold, gross proceeds		$ 6,204,000
Stock issuance costs		162,000
Aggregate gross proceeds remaining		0
June 2014 AMI Agreement [Member]
Stock sold, shares issued	4,354,954	869,504
Stock sold, gross proceeds	6,204,000	1,193,000
Stock issuance costs		31,000
Aggregate gross proceeds remaining	17,603,000	23,807,000
Series E AMI Agreement [Member]
Stock sold, shares issued		405,004
Stock sold, gross proceeds		10,121,000
Stock issuance costs		553,000
Aggregate gross proceeds remaining		$ 19,879,000

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Financing Activities

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The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity.

+ References

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

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Number of new stock issued during the period.

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-Name Regulation S-X (SX)

-Number 210

-Section 04

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