v3.24.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Components of Loss before Income Taxes

The components of loss before income taxes were as follows:

 

 

 

Year Ended December 31,

 

 

 

2023

 

 

2022

 

 

 

(in thousands)

 

Singapore

 

$

(7,441

)

 

$

(8,714

)

Rest of world

 

 

(50,749

)

 

 

(152,428

)

Loss before income taxes

 

$

(58,190

)

 

$

(161,142

)

Deferred Components of Benefit (Provision), Net for Income Taxes

The components of the benefit (provision) for income taxes were as follows:

 

 

 

Year Ended December 31,

 

 

 

2023

 

 

2022

 

 

 

(in thousands)

 

Current benefit (provision) for income taxes:

 

 

 

 

 

 

Singapore

 

$

—

 

 

$

—

 

Rest of world

 

 

677

 

 

 

(681

)

Total current benefit (provision) for income taxes

 

$

677

 

 

$

(681

)

Deferred benefit for income taxes:

 

 

 

 

 

 

Singapore

 

$

—

 

 

$

—

 

Rest of world

 

 

—

 

 

 

—

 

Total deferred benefit (provision) for income taxes

 

$

—

 

 

$

—

 

Total benefit (provision) for income taxes

 

$

677

 

 

$

(681

)

Components of Deferred Tax Assets and Liabilities

The components of the Company’s deferred tax assets and liabilities as of December 31, 2023 and 2022 are as follows:

 

 

 

December 31,

 

 

 

2023

 

 

2022

 

 

 

(in thousands)

 

Deferred tax assets:

 

 

 

 

 

 

Net operating loss carryforwards

 

$

172,547

 

 

$

158,413

 

Federal and state tax credits

 

 

8,155

 

 

 

368

 

Share-based compensation

 

 

7,512

 

 

 

7,265

 

Accumulated amortization

 

 

694

 

 

 

782

 

Operating lease liabilities

 

 

8,775

 

 

 

10,276

 

Deferred revenue

 

 

10,716

 

 

 

16,786

 

Capitalized research and development

 

 

41,239

 

 

 

36,643

 

Accumulated depreciation

 

 

3,508

 

 

 

2,807

 

Other

 

 

237

 

 

 

357

 

Total deferred tax assets

 

 

253,383

 

 

 

233,697

 

Valuation allowance

 

 

(247,193

)

 

 

(226,273

)

Net deferred tax assets

 

 

6,190

 

 

 

7,424

 

Deferred tax liabilities:

 

 

 

 

 

 

Operating lease right-of-use assets

 

 

(6,185

)

 

 

(7,333

)

Accumulated depreciation

 

 

—

 

 

 

(86

)

Other

 

 

(5

)

 

 

(5

)

Total deferred tax liabilities

 

 

(6,190

)

 

 

(7,424

)

Net deferred tax assets (liabilities)

 

$

—

 

 

$

—

 

Summary of Valuation Allowance

A roll-forward of the valuation allowance for the years ended December 31, 2023 and 2022 is as follows:

 

 

 

Year Ended December 31,

 

 

 

2023

 

 

2022

 

 

 

(in thousands)

 

Balance at beginning of year

 

$

226,273

 

 

$

238,170

 

Increase in valuation allowance

 

 

20,969

 

 

 

3,134

 

Decrease in valuation allowance

 

 

—

 

 

 

(14,934

)

Effect of foreign currency translation

 

 

(49

)

 

 

(97

)

Balance at end of year

 

$

247,193

 

 

$

226,273

 

Summary of Activity in Unrecognized Tax Benefits

A summary of activity in the Company’s unrecognized tax benefits is as follows:

 

 

 

2023

 

 

2022

 

 

 

(in thousands)

 

Unrecognized tax benefit at the beginning of the year

 

$

13,945

 

 

$

19,864

 

Tax positions related to prior years

 

 

114

 

 

 

(7,320

)

Tax positions related to the current year

 

 

1,731

 

 

 

1,401

 

Unrecognized tax benefit at the end of the year

 

$

15,790

 

 

$

13,945

 

Singapore [Member]  
Reconciliation of Statutory Income Tax Rate

A reconciliation of the Singapore statutory income tax rate to the Company’s effective income tax rate is as follows:

 

 

 

Year Ended December 31,

 

 

 

2023

 

 

2022

 

Singapore statutory income tax rate

 

 

17.0

%

 

 

17.0

%

Federal and state tax credits

 

 

11.5

 

 

 

3.3

 

Permanent differences

 

 

—

 

 

 

0.1

 

Changes in reserves for uncertain tax positions

 

 

(2.8

)

 

 

0.4

 

Foreign rate differential

 

 

7.4

 

 

 

8.8

 

Tax rate change

 

 

0.4

 

 

 

—

 

Return to provision

 

 

4.4

 

 

 

(0.9

)

Other

 

 

0.1

 

 

 

(0.1

)

Change in deferred tax asset valuation allowance

 

 

(36.1

)

 

 

7.3

 

Deferred tax adjustments

 

 

(0.7

)

 

 

(36.3

)

Effective income tax rate

 

 

1.2

%

 

 

(0.4

)%