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Income taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income taxes  
Schedule of reconciliation of the federal income tax rate

    

Year ended

    

December 31, 

    

2023

    

2022

 

Federal tax benefit at statutory rate

21.0

%  

21.0

%

State tax, net of federal benefit

(1.3)

4.3

Effects of state tax legislation, net of federal benefit

(7.1)

Research and development credits

0.7

 

1.9

Permanent differences

(0.9)

 

(0.2)

Write-off of IPR&D

(15.9)

Change in valuation allowance

(3.6)

 

(19.9)

%  

%

Schedule of Components of the Company's deferred taxes

    

December 31, 

(in thousands)

    

2023

    

2022

Deferred tax assets:

  

 

  

Net operating loss carryforwards

$

22,784

 

$

20,523

Research and development intangibles

10,135

4,839

Research and development credits

3,782

 

2,878

Share-based compensation

2,533

 

2,016

Accrued bonus

546

 

383

Lease liability

350

Other

75

 

1

Gross deferred tax assets

40,205

 

30,640

Less: valuation allowance

(39,827)

 

(30,609)

Net deferred tax asset

378

 

31

Deferred tax liability

 

Depreciation

(46)

(31)

Right-of-use asset

(332)

 

Total deferred tax liabilities

(378)

 

(31)

Net deferred taxes

$

$