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Trade Receivables & Trade Receivables - Related Parties - Summary of Trade Receivables (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Accounts Receivable Net Current [Abstract]
Trade	$ 793	$ 804
Due from settlement attorneys	606	441
Other	35	84
Trade receivables	$ 1,434	$ 1,329

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- Definition

Other trade receivables.

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Receivables due from settlement attorneys.

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For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

+ References

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Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time.

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