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Stockholders' Equity - Summary of Restricted Stock Award Activity (Details)	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Forfeited	189,884
Vested	(175,000)
Number of shares non-vested at ending	2,945,732
Forfeited | $ / shares	$ 1.43
Restricted Stock [Member]
Number of shares outstanding at beginning	5,537,556
Vested	2,088,739
Forfeited
Number of shares outstanding at ending	7,626,295
Number of shares non-vested at beginning	6,979,596
Vested	(2,088,739)
Forfeited
Number of shares non-vested at ending	4,890,857
Weighted average price restricted shares outstanding, beginning | $ / shares	$ 0.41
Vested | $ / shares
Forfeited | $ / shares
Weighted average price restricted shares outstanding, ending | $ / shares	$ 0.72

X

- Definition

The number of shares under options that were vested during the reporting period.

+ References

No definition available.

+ Details

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X

- Definition

Weighted average price vested during period.

+ References

No definition available.

+ Details

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X

- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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X

- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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X

- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901

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X

- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

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- Definition

Number of non-vested options outstanding.

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- Definition

Number of non-vested options forfeited.

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