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Fair Value (Detail Textuals) - USD ($) $ in Thousands			12 Months Ended
	Jul. 08, 2015	Nov. 14, 2013	Dec. 31, 2015	Dec. 31, 2014
Fair value measurements
Purchase price for shares issued under purchase agreement			$ 1,406	$ 3,132
Purchase Agreement | Aspire Capital Fund, LLC
Fair value measurements
Number of shares issued under purchase agreement		511,509
Purchase price for shares issued under purchase agreement		$ 2,000
Shares committed to purchase		3,042,038
Period of common stock purchase agreement		2 years
Fair value of financial instrument		$ 500		$ 100
Common stock sold	314,424

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- Definition

Represents the number of shares of common stock committed to purchase under the purchase agreement.

+ References

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- Definition

Represents the term of the common stock purchase agreement.

+ References

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- Definition

Number of shares issued as consideration for cash for development stage entities.

+ References

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- Definition

Value of shares issued as consideration for cash for development stage entities.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Fair value portion of receivables, including, but not limited to, trade account receivables, note receivables, and loan receivables.

+ 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 210.5-02.3)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 3, 4
-Article 5

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- Definition

The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

+ References

No definition available.

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- Details

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