v3.19.1

Stockholders' Deficit (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Equity [Abstract] |
Summary of Stock Option Activity | A summary of stock option activity for the year ended December 31, 2018 is as follows (shares and aggregate intrinsic value in thousands):
|  | Shares |  |  | Wtd. Avg. Exercise Price |  |  | Wtd. Avg. Remaining Contractual Life |  | Aggregate Intrinsic Value |
Outstanding at December 31, 2017 |  |  | 34 |  |  | $ | 27.20 |  |  |  |  |  |  |
Granted |  |  | — |  |  | $ | — |  |  |  |  |  |  |
Expired |  |  | (30 | ) |  | $ | 26.52 |  |  |  |  |  |  |
Forfeited |  |  | — |  |  | $ | — |  |  |  |  |  |  |
Outstanding at December 31, 2018 |  |  | 4 |  |  | $ | 31.89 |  |  | 1.69 years |  | $ | — |
Vested and expected to vest |  |  | 4 |  |  | $ | 31.89 |  |  | 1.69 years |  | $ | — |
Exercisable at December 31, 2018 |  |  | 4 |  |  | $ | 31.89 |  |  | 1.69 years |  | $ | — |

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration