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Income Taxes (Tables)
12 Months Ended
Dec. 31, 2021
Income Tax Disclosure [Abstract]  
Schedule of Income Tax Benefit (Expense)
For the years ended December 31, 2021, 2020, and 2019, the Company recorded deferred income tax expense as shown below. The tax provision in future periods will vary based on current and future temporary differences, as well as future operating results.

Year Ended December 31,
202120202019
Current benefit (expense):
Federal income taxes$(12)$$(6)
State income taxes(230)(168)(113)
Current income tax expense(242)(161)(119)
Deferred benefit (expense):
Federal income taxes(1,049)(536)(358)
State income taxes223 71 38 
Deferred income tax expense(826)(465)(320)
Income tax expense$(1,068)$(626)$(439)
Schedule of Effective Tax Rate Reconciliation
The Company’s effective tax rate differs from that derived by applying the applicable federal income tax rate of 21% for the years ended December 31, 2021, 2020 and 2019 as follows:

Year Ended December 31,
202120202019
Statutory federal income taxes$(1,341)$(903)$(510)
Statutory state income taxes, net(193)(122)(57)
Change in uncertain tax positions(79)(57)(64)
Nondeductible expenses(27)(15)(24)
Net income attributable to noncontrolling interest163 112 80 
Excess stock compensation163 290 63 
Federal tax credits46 35 46 
Tax rate changes191 33 15 
Other12 
Income tax expense$(1,068)$(626)$(439)
Schedule of Deferred Tax Assets (Liabilities)
The tax effects of these temporary differences that give rise to significant portions of the deferred tax assets and deferred tax liabilities at December 31, 2021 and 2020 are presented below.
December 31,
20212020
Deferred tax assets:
Loss carryforwards$325 $1,344 
Accrued and other612 581 
Total gross deferred tax assets937 1,925 
Less: valuation allowance(36)(32)
Deferred tax assets901 1,893 
Deferred tax liabilities:
Investment in partnership(19,986)(19,996)
Accrued and other(11)(5)
Deferred tax liabilities(19,997)(20,001)
Net deferred tax liabilities$(19,096)$(18,108)
Roll Forward of Unrecognized Tax Benefits A reconciliation of the beginning and ending amount of unrecognized tax benefits, exclusive of interest and penalties, included in other long-term liabilities on the accompanying consolidated balance sheets of the Company is as follows:
BALANCE, December 31, 2019$230 
Additions on prior year tax positions28 
Additions on current year tax positions51 
Reductions on settlements and expirations with taxing authorities(11)
BALANCE, December 31, 2020298 
Activity on prior year tax positions(5)
Additions on current year tax positions94 
Reductions on settlements and expirations with taxing authorities(10)
BALANCE, December 31, 2021$377