Additional Common Stock, Shares Authorized, Underwriting Agreement

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- Definition

Amount of Common Stock, Preferred Stock, Depository Shares, Warrants, Units or Debt Securities Available in Future Public Offerings

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- Definition

Common stock average selling price per share.

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- Definition

Common Stock, Preferred Stock, Depository Shares, Warrants, Units or Debt Securities Available in Future Public Offerings, Period from Effective Date

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- Definition

Common Stock, Shares Authorized, Underwriting Agreement

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- Definition

Debt Agreement, Holders Entitled To Net Proceeds From Financing Activities, Percentage

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- Definition

Offering Share Amount Maximum

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- Definition

Option to Purchase Additional Common Stock, Underwriting Agreement, Period

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- Definition

Percentage Commission Of Gross Proceeds On Sale Of Common Stock

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- Definition

Share Based Compensation Arrangements By Share Based Payment Awards Number Of Active Plans

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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

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

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-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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- Definition

Number of warrants or rights outstanding.

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- Definition

Face amount or stated value per share of common stock.

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- Definition

The cash inflow from the additional capital contribution to the entity.

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-Section 45
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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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No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Per share or per unit amount of equity securities issued.

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- Definition

Number of new stock issued during the period.

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-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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Stockholders' Equity (Narrative) (Details) $ / shares in Units, $ in Thousands			1 Months Ended	3 Months Ended			6 Months Ended	9 Months Ended
	Aug. 18, 2017	Jul. 07, 2016 shares	Jun. 30, 2017 USD ($) $ / shares shares	Sep. 30, 2016 shares	Jun. 30, 2016 USD ($) $ / shares shares	Mar. 31, 2016 USD ($) $ / shares shares	Jun. 30, 2017 USD ($) $ / shares shares	Sep. 30, 2017 USD ($) item $ / shares shares	Sep. 30, 2016 USD ($) shares	Aug. 31, 2017 USD ($)	Feb. 28, 2017 USD ($)	Dec. 31, 2016 $ / shares shares	Feb. 28, 2013 $ / shares shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Amount of common stock, preferred stock, depositiry shares, warrants, units or debt securities available in future public offerings \| $										$ 150,000
Common stock, preferred stock, depositiry shares, warrants, units or debt securities available in future public offerings, period from effective date	3 years
Shares issued		1,200,000				3,000,000
Proceeds from issuance of common stock from equity plans \| $								$ 8,818	$ 7,529
Holders may elect to receive net proceeds from financing activities, percentage								25.00%
Common Stock, par value \| $ / shares								$ 0.001				$ 0.001
Number of shares of common stock called by issuance of warrants						3,818,000						4,200,000	5,500,000
Aggregate exercise price of common stock called by issuance of warrants \| $ / shares													$ 2.63
Warrants outstanding				0	0				0			0
Number of equity compensation plans \| item								3
Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional shares authorized, underwriting agreement			2,312,903				2,312,903
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued								1,289,663	1,259,239
Common stock reserved for issuance								1,301,937
At the Market Offering [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued				0	3,400,000	3,100,000	3,200,000		6,500,000
Average common stock price per share \| $ / shares					$ 9.56	$ 8.80	$ 3.86
Proceeds from issuance of common stock from equity plans \| $					$ 31,700	$ 26,500	$ 11,900		$ 58,200
Common stock offering price shares \| $											$ 60,000
Commissions								3.00%
Underwritten Public Equity Offering [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares issued			17,732,257
Proceeds from issuance of common stock from equity plans \| $			$ 52,500
Commissions			4.00%
Shares authorized, underwriting agreement			15,419,354				15,419,354
Option to purchase additional shares, period			30 days
Common Stock, par value \| $ / shares			$ 0.001				$ 0.001
Price per share \| $ / shares			$ 3.10				$ 3.10