XML 78 R33.htm IDEA: XBRL DOCUMENT v3.24.1
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

​

$

—

​

$

—