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Segment reporting and concentrations (Details 1) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	$ 17,627	$ 16,322
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	5,321	4,669
Canada [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	6,888	5,085
India [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	1,042	1,520
Philippines [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	1,446	1,940
Sri Lanka [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	504	683
Israel [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	36	47
Germany [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	2	2
Foreign Countries [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	12,306	11,653
United Kingdom
Revenues from External Customers and Long-Lived Assets [Line Items]
Long - lived assets	$ 2,388	$ 2,376

X

- Definition

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599

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+ References

No definition available.

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