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Segment Reporting and Concentrations (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Segment Reporting Information [Line Items]
Revenues	$ 15,300	$ 15,642	$ 30,253	$ 31,340
Other - principally Europe
Segment Reporting Information [Line Items]
Revenues	1,807	1,537	3,497	2,945
United States [Member]
Segment Reporting Information [Line Items]
Revenues	8,372	8,079	15,053	16,351
United Kingdom
Segment Reporting Information [Line Items]
Revenues	2,162	1,999	5,387	3,980
The Netherlands
Segment Reporting Information [Line Items]
Revenues	1,589	2,529	3,483	5,090
Canada
Segment Reporting Information [Line Items]
Revenues	$ 1,370	$ 1,498	$ 2,833	$ 2,974

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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X

- Definition

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.

+ References

No definition available.

+ Details

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- Details

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- Details

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