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Share-based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Share-based compensation expense	$ 169	$ 171	$ 340	$ 319
Cost of Goods Sold [Member]
Share-based compensation expense	7	7	14	11
Sales and Marketing [Member]
Share-based compensation expense	15	13	29	27
Research and Product Development [Member]
Share-based compensation expense	37	39	76	66
General and Administrative [Member]
Share-based compensation expense	$ 110	$ 112	$ 221	$ 215

X

- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

+ Details

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- Details

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- Details

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