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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of loss before income taxes
Loss before income taxes consists of:
 For the Year Ended
December 31,
 20232022
Domestic$(41,303)$(34,547)
Foreign(6,375)(1,960)
Income before taxes$(47,678)$(36,507)
Income tax reconciliation
The provision for income taxes differs from the amount computed by applying the statutory rate as follows:
 For the Year Ended
December 31,
 20232022
Income taxes using U.S federal statutory rate$(10,012)$(7,666)
Nondeductible interest127 139 
Branch income(1,230)(385)
State income taxes, net of federal benefit(31)(531)
Foreign rate differential506 165 
Valuation allowance7,099 9,221 
Stock option expense, exercises and cancellations2,899 752 
Research and development costs(859)(708)
Other(179)(987)
Derivative Charge1,680 — 
 $— $— 
Significant components of deferred tax assets and liabilities
Significant components of the Company’s deferred tax assets are as follows:
 For the Year Ended
December 31,
 20232022
Deferred tax assets:
Employee compensation accruals$1,377 $2,772 
Accrued liabilities54 197 
Research tax credits2,330 1,429 
Lease obligation38 
Other233 160 
Research expense capitalization5,441 3,203 
Net operating losses29,875 24,595 
Total deferred tax assets$39,314 $32,394 
 For the Year Ended
December 31,
 20232022
Deferred tax liabilities:
Right of use asset$13 $50 
Total deferred tax liabilities13 50 
Valuation allowance39,301 32,344 
Net deferred tax assets$— $— 
Summary of change in valuation allowance The change in valuation allowance is as follows:
 December 31,
 20232022
Beginning Balance$32,344 $23,125 
Charged to costs and expenses7,099 9,221 
Charged to other comprehensive income(142)(2)
Ending balance$39,301 $32,344