Balance Sheet Components - Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Balance Sheet Related Disclosures [Abstract]
Estimated fair value of contingent consideration liability	$ 15,356	$ 8,148
Accrued variable compensation	12,810	16,842
Deferred revenue	4,733	3,278
Other current liabilities	4,452	3,879
Payroll related costs	3,378	2,971
Accrued medical claims expense	2,072	2,133
Professional fees	1,106	357
Accrued subcontractor fees	265	469
Total	$ 44,172	$ 38,077

Accrued medical claims expense.

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- Definition

Accrued subcontractor fees.

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- Definition

Accrued variable compensation.

+ References

No definition available.

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- Definition

Payroll related costs

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No definition available.

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

No definition available.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are due within one year or operating cycle, if longer, from the balance sheet date.

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