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Subsequent Events - Additional Information (Details) - Subsequent Event [Member]	Aug. 03, 2018 USD ($) SubscriptionRight shares	Jul. 27, 2018 USD ($)	Jul. 20, 2018 USD ($)
Subsequent Event [Line Items]
Maximum number of shares of common stock available to purchase under subscription right issue | shares	28,571,429
Number of shares into which each right may be converted under subscription rights | shares	500
Number of non-transferable subscription rights for each shares of common stock owned | SubscriptionRight	1
Number of non-transferable subscription rights for each shares of common stock would own upon conversion of convertible instrument | SubscriptionRight	1
Subscriptions proceeds	$ 50,000,000
Discover Growth Fund LLC [Member] | Securities Purchase Agreement [Member] | Additional Secured Convertible Note [Member]
Subsequent Event [Line Items]
Gross proceeds from issuance of notes and warrants			$ 1,600,000
Hudson Bay [Member] | Securities Purchase Agreement [Member] | Minimum [Member]
Subsequent Event [Line Items]
Claims for monetary damages		$ 1,000,000

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- Definition

Maximum number of shares of common stock available to purchase under subscription right issue.

+ References

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- Definition

Number of non-transferable subscription rights for each shares of common stock owned.

+ References

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- Definition

Number of non-transferable subscription rights for each shares of common stock would own upon conversion of convertible instrument.

+ References

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- Definition

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- Definition

Value of subscription rights to purchase common stock.

+ References

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- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14557-108349

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-Name Accounting Standards Codification
-Topic 450
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-Paragraph 4
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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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