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Stockholders' Equity - Summary of Restricted Stock Award Activity (Details)	12 Months Ended
	Dec. 31, 2018 $ / shares shares
Number of shares Restricted stock awards outstanding, non-vested at beginning
Number of shares, non-vested Issued	8,187,750
Number of shares, non-vested Vested	(175,000)
Number of shares Restricted stock awards outstanding, non-vested at ending	7,552,355
Number of Shares Common stock options, outstanding at Beginning balance	2,176,637
Number of shares, Forfeited	732,353
Number of Shares Common stock options, outstanding at Ending balance	9,405,541
Restricted Stock [Member]
Number of shares Restricted stock awards outstanding, non-vested at beginning	6,979,596
Number of shares, non-vested Issued	4,606,503
Number of shares, non-vested Vested	(4,946,490)
Number of shares, non-vested Forfeited	(329,735)
Number of shares Restricted stock awards outstanding, non-vested at ending	6,309,874
Number of Shares Common stock options, outstanding at Beginning balance	5,537,556
Number of shares, Issued
Number of shares, Vested	(4,946,490)
Number of shares, Forfeited
Number of Shares Common stock options, outstanding at Ending balance	10,484,046
Weighted Average price Grant-Date, beginning | $ / shares	$ 0.41
Weighted Average price Grant-Date, Issued | $ / shares	0.72
Weighted Average price Grant-Date, Vested | $ / shares
Weighted Average price Grant-Date, Forfeited | $ / shares
Weighted Average price Grant-Date, ending | $ / shares	$ 0.50

X

- Definition

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

+ References

No definition available.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ 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)(2)(iii)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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-Publisher FASB
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-Topic 718
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-Paragraph 2
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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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.

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Net number of share options (or share units) granted during the period.

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Gross number of share options (or share units) granted during the period.

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

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Number of non-vested options outstanding.

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Number of non-vested options forfeited.

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