Number of shares issued for each share of convertible preferred stock that is converted.

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

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-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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Face (par) amount of debt instrument at time of issuance.

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Guarantee Agreement - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Nov. 13, 2014	Sep. 30, 2015	Nov. 12, 2014	Sep. 30, 2014
IPO
Guarantee Obligations [Line Items]
Debt conversion converted instrument shares issued	11,067,090
Beneficial Owner
Guarantee Obligations [Line Items]
Percentage of contingent fee		10.00%
$62,500,000 Revolving Note Payable
Guarantee Obligations [Line Items]
Debt instrument, face amount			$ 62.5
Redeemable Preferred Stock Series C
Guarantee Obligations [Line Items]
Preferred stock, shares issued price		$ 5.25		$ 5.25
Redeemable Preferred Stock Series C \| IPO
Guarantee Obligations [Line Items]
Convertible preferred stock shares issued upon conversion	2,477,756
Debt conversion converted instrument shares issued	1,832,531