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Subsequent Events (Details) - Subsequent Event [Member] $ / shares in Units, $ in Millions	Mar. 28, 2018 USD ($) Investor $ / shares shares
Subsequent Event [Line Items]
Number of accredited investors | Investor	2
Shares issued through private placement (in shares) | shares	7,936,508
Share price (in dollars per share) | $ / shares	$ 1.26
Gross proceeds from private placement | $	$ 10.0
Broadwood Partners, L.P [Member] | Minimum [Member]
Subsequent Event [Line Items]
Beneficial ownership percentage	5.00%
Investor One [Member]
Subsequent Event [Line Items]
Shares issued through private placement (in shares) | shares	6,349,206
Gross proceeds from private placement | $	$ 8.0
Investor Two [Member]
Subsequent Event [Line Items]
Shares issued through private placement (in shares) | shares	1,587,302
Gross proceeds from private placement | $	$ 2.0

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- Definition

The number of accredited investors in the notes.

+ References

No definition available.

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- Definition

Number of new shares of stock issued through private placement during the period.

+ References

No definition available.

+ Details

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

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- Definition

The cash inflow associated with the amount received from entity's raising of capital via private rather than public placement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585

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- Definition

Price of a single share of a number of saleable stocks of a company.

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- Definition

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.

+ References

No definition available.

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