Revenue Recognition - Summary of Accounts Receivable Balances by Reportable Segments (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Accounts Receivable Balances By Reportable Segments [Line Items]
Accounts receivable, gross	$ 20,252	$ 12,263
Chargebacks and other deductions	(13,154)	(3,711)
Allowance for doubtful accounts	(27)	(84)
Allowance for doubtful accounts, chargebacks, andother deductions		(3,795)
Accounts receivable, net	7,071	8,468
Oncology Innovation Platform
Accounts Receivable Balances By Reportable Segments [Line Items]
Accounts receivable, gross	9	49
Accounts receivable, net	9	49
Global Supply Chain Platform
Accounts Receivable Balances By Reportable Segments [Line Items]
Accounts receivable, gross	3,369	4,553
Allowance for doubtful accounts	(27)
Allowance for doubtful accounts, chargebacks, andother deductions		(84)
Accounts receivable, net	3,342	4,469
Commercial Platform
Accounts Receivable Balances By Reportable Segments [Line Items]
Accounts receivable, gross	16,874	7,661
Chargebacks and other deductions	(13,154)
Allowance for doubtful accounts, chargebacks, andother deductions	(13,200)	(3,711)
Accounts receivable, net	$ 3,720	$ 3,950

Accounts receivable balances by reportable segments.

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- Definition

A chargebacks, valuation allowance and other deductions for accounts receivables due to an Entity within one year (or the normal operating cycle, whichever is longer).

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Chargebacks and other deductions current.

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- Definition

Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

+ References

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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