Accrued Expenses and Other Long-Term Liabilities - Schedule of Other Long Term Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Warrant liability	$ 473
Uncertain tax positions	3,734	3,594
DOJ settlement		250
Other	82
Long-term liabilities	$ 4,289	$ 3,844

Warrant Liability.

No definition available.

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- Definition

Aggregated carrying amounts of obligations as of the balance sheet date, excluding long-term debt, incurred as part of the normal operations that are expected to be paid after one year or beyond the normal operating cycle, if longer. Alternate captions include Total Deferred Credits and Other Liabilities.

+ References

No definition available.

+ Details

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- Definition

Amount recognized for uncertainty in income taxes classified as noncurrent.

+ 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 210.5-02.24)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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- Definition

Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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+ Details

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- References

No definition available.

+ Details

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- Definition

The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.

+ References

+ Details

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