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Convertible Preferred Stock, Shares Issued upon Conversion as Percent of Common Stock Outstanding

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Related Party Transaction, Annual Savings from Transactions with Related Party

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Amount for accounts payable to related parties.

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Number of shares issued for each share of convertible preferred stock that is converted.

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Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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Cash received on stock transaction after deduction of issuance costs.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Certain Relationships and Related Party Transactions (Details) - USD ($)		3 Months Ended
	Jan. 30, 2018	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Wipro
Related Party Transaction [Line Items]
Capitalized costs for internally developed software services received		$ 800,000	$ 1,100,000
Accounts payable, related parties		5,300,000		$ 5,000,000
Wipro \| Agency Related Services
Related Party Transaction [Line Items]
Revenue from related parties			0
Wipro \| Technology Related Services
Related Party Transaction [Line Items]
Expenses from transactions with related party		6,300,000	$ 2,800,000
One-time termination charge		2,100,000
Annual savings		$ 3,300,000
Securities Purchase Agreement \| Series A Preferred Stock
Related Party Transaction [Line Items]
Number of shares issued (in shares)	9,926
Consideration received on transaction	$ 9,900,000
Securities Purchase Agreement \| Series A Preferred Stock \| Wipro
Related Party Transaction [Line Items]
Number of shares issued (in shares)	9,926.000
Shares issuable upon conversion (in shares)	1,001,614.000
Shares issuable upon conversion (as percent)	16.00%
Consideration received on transaction	$ 9,900,000