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Subsequent Events - Additional Information (Details)	May 02, 2018 $ / shares shares	Apr. 06, 2018 shares	Nov. 06, 2017	Mar. 31, 2018 $ / shares shares	Dec. 31, 2017 $ / shares shares
Subsequent Event [Line Items]
Common stock, shares authorized (in shares)				500,000,000	500,000,000
Reverse stock split			1:350
Reverse stock split ratio			0.0029
Common stock, par value (in dollars per share) | $ / shares				$ 0.01	$ 0.01
Subsequent Event [Member]
Subsequent Event [Line Items]
Reverse stock split	1:500
Reverse stock split ratio	0.002
Subsequent Event [Member] | OTCQB [Member]
Subsequent Event [Line Items]
Reverse stock split	1:500
Reverse stock split ratio	0.002
Number of fractional shares were issued in connected with the reverse stock split	0
Common stock, par value (in dollars per share) | $ / shares	$ 0.01
Board of Directors [Member]
Subsequent Event [Line Items]
Common stock, shares authorized (in shares)				500,000,000
Board of Directors [Member] | Subsequent Event [Member]
Subsequent Event [Line Items]
Common stock, shares authorized (in shares)		1,000,000,000
Board of Directors [Member] | Subsequent Event [Member] | Minimum [Member]
Subsequent Event [Line Items]
Reverse stock split		1-for-100
Reverse stock split ratio		0.01
Board of Directors [Member] | Subsequent Event [Member] | Maximum [Member]
Subsequent Event [Line Items]
Reverse stock split		1-for-500
Reverse stock split ratio		0.002

X

- Definition

Face amount or stated value per share of common stock.

+ 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

+ Details

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X

- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ 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

+ Details

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X

- Definition

Reduction in the number of shares during the period as a result of a reverse stock split.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644

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X

- Definition

Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

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X

- Definition

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

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X

- 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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