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Income Taxes (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred tax liabilities: |  |
Property and equipment | $ 5,181 | $ 5,145
Intangible assets | 20,765 | 19,324
Prepaid expenses | 376 | 350
Total deferred tax liabilities | 26,322 | 24,819
Deferred tax assets: |  |
Allowance for doubtful accounts | 64 | 118
Compensation | 1,011 | 906
Other accrued liabilities | 95 | 63
Deferred Tax Assets, Gross, Total | 1,170 | 1,087
Less: valuation allowance | 0 | 0
Total net deferred tax assets | 1,170 | 1,087
Net deferred tax liabilities | 25,152 | 23,732
Current portion of deferred tax assets | 388 | 303
Non-current portion of deferred tax liabilities | (25,540) | (24,035)
Net deferred tax liabilities | $ (25,152) | $ (23,732)

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