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Note 7 - Share-based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Share-based compensation expense	$ 129	$ 169	$ 266	$ 340
Cost of Sales [Member]
Share-based compensation expense	4	7	9	14
Selling and Marketing Expense [Member]
Share-based compensation expense	10	15	20	29
Research and Development Expense [Member]
Share-based compensation expense	27	37	57	76
General and Administrative Expense [Member]
Share-based compensation expense	$ 88	$ 110	$ 180	$ 221

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

+ Details

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