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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2024
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit)
The components of the provision (benefit) for income taxes are as follows:

Year ended December 31,
(in thousands)202420232022
Income (loss) before income tax provision (benefit):
US$(40,527)$(62,869)$(59,061)
Foreign— — — 
Total income (loss) before income tax provision (benefit)$(40,527)$(62,869)$(59,061)
Current income tax provision (benefit):
Federal$— $— $— 
State199 76 229 
Total current income tax provision (benefit)199 76 229 
Deferred income tax provision (benefit):
Federal89 145 (213)
State20 (177)(477)
Total deferred income tax provision (benefit)109 (32)(690)
Total provision (benefit) for income taxes
$308 $44 $(461)
Schedule of Effective Income Tax Rate Reconciliation
The provision (benefit) for income taxes results in effective rates that differ from the statutory rates. The following is a reconciliation of income tax expense (benefit) computed at the statutory federal income tax rate to the total tax expense (benefit) computed at the effective tax rate:

Year ended December 31,
(in thousands)202420232022
US federal statutory tax rate$(8,511)21.0 %$(13,203)21.0 %$(12,403)21.0 %
State and local income taxes, net of federal income tax effect(1)
(2,800)6.9 %(2,567)4.1 %(2,437)4.1 %
Changes in valuation allowances17,908 (44.2)%14,142 (22.5)%11,289 (19.1)%
Nontaxable or nondeductible items:
Stock-based compensation(17,400)42.9 %(1,539)2.4 %1,815 (3.1)%
Executive compensation10,620 (26.2)%2,970 (4.7)%1,008 (1.7)%
Meals & entertainment460 (1.1)%362 (0.6)%185 (0.3)%
Other288 (0.7)%107 (0.1)%94 (0.2)%
Other adjustments:
Return to provision adjustments(257)0.6 %(187)0.3 %(54)0.1 %
Other— — %(41)— %42 (0.1)%
    Total$308 (0.8)%$44 (0.1)%$(461)0.7 %
(1) In 2024, state taxes in California, Connecticut, Wisconsin, and New York made up the majority (greater than 50 percent) of the tax effect in this category.
Schedule of Deferred Tax Assets and Liabilities
Significant components of the Company’s net deferred tax assets and liabilities were as follows as of December 31, 2024 and 2023:

December 31,
(in thousands)20242023
Deferred tax assets:
Deferred revenue$7,240 $6,412 
Accrued expenses2,189 2,122 
Stock-based compensation2,422 3,404 
Net operating loss carryforward (federal and state)76,213 76,267 
Reserve for customer credits164 310 
Capitalized research and development costs47,396 30,109 
Lease liabilities4,639 4,828 
   Other293 250 
Total deferred tax assets140,556 123,702 
Valuation allowance for deferred tax assets(127,102)(109,173)
Deferred tax assets, net of valuation allowance13,454 14,529 
Deferred tax liabilities:
Fixed assets(158)(213)
Right-of-use assets(3,661)(3,949)
Goodwill(4,997)(4,347)
Intangible assets(4,625)(6,183)
Deferred costs(1,835)(1,550)
Total deferred tax liabilities(15,276)(16,242)
Deferred income tax liabilities, net of deferred tax assets$(1,822)$(1,713)