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Note 6 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

			Year Ended December 31,
			2014				2015				2016
Cayman Islands			58				489				894
U.S.			1,983				5,921				9,840
PRC			972				1,642				1,338
Australia			-				-				473
Net loss before income taxes			3,013				8,052				12,545

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

			Year Ended December 31,
			2014				2015				2016
Net loss before income taxes			3,013				8,052				12,545
Expected income tax benefit			1,055				2,818				4,391
Tax rate differential			95				297				581
Non-deductible expenses			(240	)			(351	)			(152	)
Others			(5	)			28				(63	)
Change in valuation allowance			(905	)			(2,792	)			(4,757	)
Total income tax benefit			-				-				-

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

			December 31,
			2015				2016
Deferred tax assets, non-current portion:
Net operating loss carryforward			3,811				8,317
Intangible asset			586				428
Deferral of tax deduction of R&D expense			-				409
Less: valuation allowance			(4,397	)			(9,154	)
Net deferred tax assets			-				-

X

- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

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- Definition

Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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