Represents the number of each class of warrants or rights exercised during the period.

No definition available.

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- Definition

Represents the conversion price of convertible preferred stock.

+ References

No definition available.

+ Details

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- Definition

Represents the conversion price of convertible preferred stock after adjustment.

+ References

No definition available.

+ Details

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- Definition

Represents the minimum percentage holding of common stock on conversion of preferred stock.

+ References

No definition available.

+ Details

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- Definition

Represents the minimum percentage holding of on an as-converted basis of preferred stock.

+ References

No definition available.

+ Details

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- Definition

Represents the number of directors designated on board by counter party as defined under the securities purchase agreement.

+ 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

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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- Definition

The cash inflow from issuance of preferred stocks identified as being convertible into another form of financial instrument, typically the entity's common stock.

+ 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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 14

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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- Definition

Number of shares issued during the period as a result of the conversion of convertible securities.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29-30)

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

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- Definition

Number of shares that have been repurchased and retired during the period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
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- Details

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- Definition

Per share amount of par value or stated value of stock classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 28

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (27)

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

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- Definition

The number of securities classified as temporary equity that have been sold (or granted) to the entity's shareholders. Securities issued include securities outstanding and securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

+ 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 210.5-02.27(b))

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

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 28

-Subparagraph b

-Article 5

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- Definition

The number of securities classified as temporary equity that have been issued and are held by the entity's shareholders. Securities outstanding equals securities issued minus securities held in treasury. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. If convertible, the issuer does not control the actions or events necessary to issue the maximum number of shares that could be required to be delivered under the conversion option if the holder exercises the option to convert the stock to another class of equity. If the security is a warrant or a rights issue, the warrant or rights issue is considered to be temporary equity if the issuer cannot demonstrate that it would be able to deliver upon the exercise of the option by the holder in all cases. Includes stock with put option held by ESOP and stock redeemable by holder only in the event of a change in control of the issuer.

+ References

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- Definition

Value of new stock classified as temporary equity issued during the period.

+ References

No definition available.

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Redeemable Preferred Stock (Details)	0 Months Ended				12 Months Ended						0 Months Ended					0 Months Ended
Redeemable Preferred Stock (Details)	Aug. 26, 2014	Dec. 31, 2014 USD ($)	Jan. 15, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2014 Common Stock	Dec. 31, 2014 Warrants with exercise price of $0.15 USD ($)	Dec. 31, 2014 Warrants with exercise price of $0.18 USD ($)	Dec. 31, 2013 Series C redeemable convertible preferred stock	Aug. 26, 2014 Series C redeemable convertible preferred stock USD ($)	Jun. 30, 2014 Series C redeemable convertible preferred stock USD ($)	Aug. 26, 2014 Air Liquide Series C redeemable convertible preferred stock	May 08, 2013 Air Liquide Series C redeemable convertible preferred stock USD ($) item	May 08, 2013 Air Liquide Series C redeemable convertible preferred stock EUR (€)	Dec. 31, 2014 Air Liquide Series C redeemable convertible preferred stock	May 08, 2013 Air Liquide Series C redeemable convertible preferred stock USD ($)	Aug. 26, 2014 Air Liquide Series C redeemable convertible preferred stock Common Stock
Redeemable preferred stock
Redeemable stock issued (in shares)		5,231us-gaap_TemporaryEquitySharesIssued		10,431us-gaap_TemporaryEquitySharesIssued										5,231	10,431
Redeemable stock issued, par value (in dollars per share)		$ 0.01		$ 0.01											$ 0.01
Aggregate purchase price of shares issued												$ 2,595,400	€ 2,000,000
Temporary Equity, Shares Outstanding		5,231		10,431										5,231
Net proceeds, after fees and expenses												$ 2,371,080
Number of directors entitled to designate on board under Securities Purchase Agreement												1	1
Minimum percentage holding of common stock on conversion of preferred stock												5.00%	5.00%
Minimum percentage holding of on an as-converted basis of preferred stock												50.00%	50.00%
Dividend rate								8.00%
Conversion price per share									$ 0.2343	$ 0.248794
Number of warrants						18,846,400	1,891,000
Weighted average exercise price of warrants (in dollars per share)		$ 3.84	$ 4.00			$ 0.15	$ 0.18
Shares issued upon conversion of redeemable stock (in shares)					5,521,676						(5,200)					5,521,676
Stock Repurchased and Retired During Period, Shares	5,200
Adjusted conversion price per share				$ 0.2343