Amount of transactions with related party during the financial reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Represents the number of master agreements entered with other party.

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- Definition

Percentage of revenue earned share in third-party.

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Related-Party Transactions - Relationship with HandsOn Global Management (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2016 agreement	Dec. 31, 2015 agreement
Related-Party Transactions
Related party expense	$ 994	$ 1,105
Amount of related party transaction	$ 994	1,105
Entities affiliated with HGM managed funds \| Master Agreement [Member]
Related-Party Transactions
Revenue share percentage	25.00%
SourceHOV \| Master Agreement [Member]
Related-Party Transactions
Revenue share percentage	75.00%
SourceHOV \| Entities affiliated with HGM managed funds \| Master Agreement [Member]
Related-Party Transactions
Related party expense	$ 100	$ 200
Number of master agreements \| agreement			10	10