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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of Domestic and Foreign Components of Income (Loss)
The following table presents domestic and foreign components of (loss) income before income taxes for the tax years ended December 31, 2023, 2022 and 2021:
Year Ended December 31,
202320222021
(In thousands)
United States$759 $30,594 $(27,547)
International(20,062)(13,288)(3,648)
(Loss) income before income taxes$(19,303)$17,306 $(31,195)
Schedule of (Provision) Benefit for Income Taxes from Continuing Operations
Benefit for income taxes from operations consists of the following:
Year Ended December 31,
202320222021
(In thousands)
Current:
Federal$(653)$(2,717)$(2,713)
State(1,309)(803)(145)
Foreign(2,219)(815)(1,627)
Total(4,181)(4,335)(4,485)
Deferred:
Federal(75)1,004 (364)
State— (1)— 
Foreign7,216 5,596 8,682 
Total7,141 6,599 8,318 
Income tax benefit$2,960 $2,264 $3,833 
Schedule of Effective Income Tax Rate Reconciliation
The following table presents a reconciliation of the statutory federal tax rate and the Company’s effective tax rate for the years ended December 31, 2023, 2022 and 2021:
Year Ended December 31,
202320222021
Federal Tax Rate21.0 %21.0 %21.0 %
State Tax Rate - statutory blended rate4.3 4.3 4.2 
Other effective state tax adjustments(5.2)3.6 (1.4)
Non-deductible expenses(4.1)4.0 (6.1)
Research tax benefits24.4 (31.6)7.9 
Stock-based compensation(18.0)6.3 13.9 
Change in valuation allowance(11.7)(16.1)16.3 
Deferred tax rate change0.6 0.5 (0.2)
Voxbone US 338(g) gain— — (8.9)
Intangibles and deferred adjustments— (4.7)(40.2)
Foreign rate differential2.8 1.6 1.3 
Other1.2 (2.0)4.5 
Total15.3 %(13.1)%12.3 %
Schedule of Significant Components of Deferred Tax Assets and Liabilities
The following table presents the significant components of the Company’s net deferred tax liability:
As of December 31,
20232022
(In thousands)
Deferred tax assets:
Allowance for doubtful accounts$80 $173 
Accrued liabilities3,459 4,370 
Operating lease liabilities57,152 3,456 
Deferred revenue1,915 1,949 
Stock-based compensation3,363 3,216 
Capitalized research and development expenses40,306 20,997 
Accrued lease incentive— 2,645 
Tax credits12,994 10,948 
Net operating losses17,421 25,691 
Other deferred tax assets3,238 4,592 
Gross deferred tax assets139,928 78,037 
Less: valuation allowance(67,950)(65,678)
Total deferred tax assets71,978 12,359 
Deferred tax liabilities:
Property, plant and equipment24,469 4,890 
Goodwill1,416 1,272 
Intangibles39,334 41,591 
Operating lease assets39,780 3,072 
Total deferred tax liabilities104,999 50,825 
Net deferred tax liability$(33,021)$(38,466)
Schedule of Unrecognized Tax Benefits
A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:
Year Ended December 31,
20232022
(In thousands)
Unrecognized tax benefits—January 1,$4,800 $3,062 
Gross increases—tax positions in prior period142 613 
Gross increases—tax positions in current period1,228 1,125 
Unrecognized tax benefits—December 31,$6,170 $4,800