XML 60 R33.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Note 7 - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

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

		Year Ended December 31,
		2021				2022				2023
		$				$				$
Cayman Islands			5,652				3,522				2,100
U.S.			34,318				13,144				8,305
PRC			6,368				7,253				2,674
BVI			18,336				12,831				8,757
Australia			(36	)			(633	)			6
Loss before income tax			64,638				36,117				21,842

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

		Year Ended December 31,
		2021				2022				2023
		$				$				$
Current income tax			3,570				163				106
Deferred income tax			-				-				-
Income tax expenses			3,570				163				106

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

		Year Ended December 31,
		2021				2022				2023
		$				$				$
Loss before income tax			64,638				36,117				21,842
Expected income tax benefit			13,574				7,585				4,566
Tax rate difference			(3,796	)			(2,253	)			(1,800	)
Non-deductible expenses			(788	)			812				20
Research tax credits			1,096				1,437				359
Non-taxable income			21				-				-
Tax preference			3,755				(667	)			(336	)
Others			(262	)			(216	)			389
Current and deferred tax rate differences			-				672				383
Stock Compensation Expense - Windfall			-				-				(807	)
R&D super deduction			-				389				409
Interest expenses			-				(315	)			(523	)
Change in valuation allowance			(17,170	)			(7,607	)			(2,766	)
Total income tax (expenses)			(3,570	)			(163	)			(106	)

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

		December 31,
		2022				2023
		$				$
Deferred tax assets:
Net operating loss carryforward			26,571				28,325
Deferral of tax deduction of R&D expenses			6,857				6,820
Mandatory R&D Capitalization			3,819				5,602
Share-based compensation			1,591				1,687
Deferred Incentive Compensation			-				24
Deferred revenue			8,630				7,699
Research tax credits			5,295				5,698
Operating lease liabilities			1,043				841
Accruals and reserves			21				400
Total deferred tax assets			53,827				57,096
Deferred tax liabilities:
Unrealized gain			(41	)			(46	)
Depreciation			(346	)			(345	)
Operating lease right-of-use assets			(1,153	)			(925	)
Total deferred tax liabilities			(1,540	)			(1,316	)
Total gross deferred tax assets			52,287				55,780
Less: valuation allowance			(52,287	)			(55,780	)
Net deferred tax assets			-				-

Summary of Income Tax Contingencies [Table Text Block]

		Year Ended December 31,
		2021				2022				2023
		$				$				$
Beginning balance, as of January 1			730				1,065				3,634
Additions based on tax positions related to prior tax years			283				3,099				-
Reductions based on tax positions related to prior tax years			-				(608	)			(440	)
Additions based on tax positions related to current tax year			52				78				-
Ending balance, as of December 31
			1,065				3,634				3,194

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-9

+ Details

Name:	us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

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/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-2

+ Details

Name:	us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 231
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-231

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-12

+ Details

Name:	us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(h)(1)(Note 1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

Name:	us-gaap_ScheduleOfIncomeBeforeIncomeTaxDomesticAndForeignTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for tax position taken on unrecognized tax benefit.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

+ Details

Name:	us-gaap_SummaryOfIncomeTaxContingenciesTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration