Debt instrument, automatic extension period to maturity date.

No definition available.

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- Definition

Debt instrument, convertible, additional optional convertible amount.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Debt instrument, convertible, conversion price premium percentage on closing price of common stock.

+ References

No definition available.

+ Details

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- Definition

Debt instrument, convertible, conversion price, premium percentage on common stock share price in equity financing.

+ References

No definition available.

+ Details

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- Definition

Debt instrument, convertible, conversion price, reset period.

+ References

No definition available.

+ Details

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- Definition

Debt instrument, maximum extension period to maturity date.

+ References

No definition available.

+ Details

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- Definition

Debt instrument purchase option term.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Minimum percentage of outstanding common stock upon conversion, require stockholders' approval.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

The name of the original debt issue that has been converted in a noncash (or part noncash) transaction during the accounting period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The price per share of the conversion feature embedded in the debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928298&loc=SL6031898-161870

+ Details

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Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Conversion Rate
-URI http://asc.fasb.org/extlink&oid=6509012

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(5))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

+ Details

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Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ 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 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Period Type:	duration

- 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.

+ Details

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- Details

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Subsequent Events - Additional Information (Detail) $ / shares in Units, $ in Millions		3 Months Ended	12 Months Ended
	Apr. 19, 2017 USD ($) $ / shares	Mar. 31, 2017 $ / shares	Dec. 31, 2016	Jun. 30, 2014 $ / shares
Convertible 2020 Notes \| Subsequent Event
Subsequent Event [Line Items]
Debt instrument, interest rate	12.00%
Minimum percentage of outstanding common stock upon conversion require stockholders' approval	19.99%
Maturity date	Mar. 15, 2020
Debt instrument, interest rate	12.00%
Debt instrument, conversion price	$ 1.196
Debt instrument, conversion rate	0.8361
Debt instrument, conversion description	The 2020 Notes will have an initial conversion price (the “Conversion Price”) equal to the lesser of (i) $1.196 per share, or 0.8361 shares of common stock per $1.00 principal amount of the 2020 Notes, or (ii) a premium of 15% to the closing price of the Company’s common stock on the date of the Exchange.
Debt instrument, conversion price, premium percentage on closing price of common stock	15.00%
Debt instrument, conversion price, reset period	180 days
Convertible 2020 Notes \| Subsequent Event \| First 90 Days following Exchange
Subsequent Event [Line Items]
Debt instrument, conversion price, reset period	90 days
Debt instrument, conversion price, premium percentage to common stock share price in equity financing	25.00%
Convertible 2020 Notes \| Subsequent Event \| 90-180 Days Following Exchange
Subsequent Event [Line Items]
Debt instrument, conversion price, premium percentage to common stock share price in equity financing	35.00%
Convertible 2020 Notes \| Subsequent Event \| 90-180 Days Following Exchange \| Minimum
Subsequent Event [Line Items]
Debt instrument, conversion price, reset period	90 days
Convertible 2020 Notes \| Subsequent Event \| 90-180 Days Following Exchange \| Maximum
Subsequent Event [Line Items]
Debt instrument, conversion price, reset period	180 days
Convertible 2020 Notes \| Subsequent Event \| Interest Payable In Cash
Subsequent Event [Line Items]
Debt instrument, interest rate	10.00%
Convertible 2020 Notes \| Subsequent Event \| Interest Payable In Kind
Subsequent Event [Line Items]
Debt instrument, interest rate	2.00%
2020 Option Notes \| Subsequent Event
Subsequent Event [Line Items]
Debt instrument, purchase option, additional aggregate principal amount \| $	$ 5.0
Debt instrument, purchase option, maximum number of days from closing of exchange	90 days
2017 Notes
Subsequent Event [Line Items]
Debt instrument, interest rate				10.00%
Maturity date		Jun. 23, 2017	Mar. 15, 2017
Debt instrument, conversion price		$ 344.83		$ 344.83
Debt instrument, conversion rate		0.0029
Debt instrument, conversion description		The 2017 Notes have a conversion price (the “Conversion Price”) equal to $344.83 per share or 0.0029 shares per $1 principal amount of 2017 Notes.
2017 Notes \| Subsequent Event
Subsequent Event [Line Items]
Maturity date	Jun. 23, 2017
Debt instrument, automatic extension period on maturity date	3 days
Debt instrument, maximum extension period on maturity date	14 days