Offered price per share or per unit of warrants or rights.

No definition available.

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- Definition

The cash inflow from the additional capital contribution to the entity before the deduction of costs related to the issuance (for example, the placement agent fee and offering expenses).

+ References

No definition available.

+ Details

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- Definition

The number of years after which warrants issued are set to expire.

+ References

No definition available.

+ Details

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of new stock issued during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Details

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- Details

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- Details

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- Details

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Note 18 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Feb. 14, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Class of Warrant or Right, Exercise Price of Warrants or Rights		$ 1.88	$ 6.37	$ 8.18
February 2017 Public Offering [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues	19,385,869
Share Price	$ 0.23
Proceeds from Issuance of Common Stock Gross	$ 5.0
February 2017 Public Offering [Member] \| Subsequent Event [Member] \| Series AA Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	16,489,402
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.23
Warrants Issued Expiration Period	5 years
February 2017 Public Offering [Member] \| Subsequent Event [Member] \| Pre-Funded Series BB Warrant [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	2,600,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.01
Class of Warrant or Right, Offered Price of Warrants or Rights	$ 0.22