The term of agreement to issue shares of common stock.

No definition available.

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- Definition

Monetary value of common stock authorized to be issued.

+ References

No definition available.

+ Details

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- Definition

Proceeds from issuance of common stock, net of issuance costs.

+ References

No definition available.

+ Details

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- Definition

Commissions paid on sale of stock as a percentage of gross sales price of shares sold.

+ References

No definition available.

+ Details

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ 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

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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.

+ References

No definition available.

+ Details

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Stockholders' Equity – Equity Distribution Agreement (Details) - USD ($) $ in Millions	1 Months Ended		12 Months Ended
	Oct. 31, 2017	Aug. 31, 2015	Dec. 31, 2017	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, shares issued			40,549,936	52,548,244
2015 Equity Distribution Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of Equity Distribution Agreement		3 years
Value of common stock authorized		$ 35.0
Common stock, shares issued			9,768,142
Net proceeds from issuance of common stock			$ 14.9
2015 Equity Distribution Agreement \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of common stock, commission percentage		3.00%
2017 Equity Distribution Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of Equity Distribution Agreement	3 years
Value of common stock authorized	$ 50.0			$ 50.0
Sale of common stock, commission percentage	3.00%