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INCOME TAXES - Tax Effects and Tax Cuts and Jobs Act (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Schedule of components of income before income taxes |  |  |
Domestic | $ 10,894 | $ 8,076 | $ 4,288
Foreign | 9,787 | 8,060 | 8,515
Income before income taxes | 20,681 | 16,136 | 12,803
Current provision |  |  |
Domestic | 1,663 | 4,750 | (70)
Foreign | 3,169 | 2,566 | 2,025
Total current provision | 4,832 | 7,316 | 1,955
Deferred provision |  |  |
Domestic | 675 | 925 | 1,438
Foreign | (751) | (141) | 332
Total deferred provision | (76) | 784 | 1,770
Provision for income taxes | $ 4,756 | $ 8,100 | $ 3,725
Differences in the provision for income taxes from the amount determined by applying the federal statutory rate |  |  |
Tax provision, computed at statutory rate (as a percent) | 21.00% | 35.00% | 34.00%
State tax, net of federal impact (as a percent) | 3.00% | 3.60% | 4.60%
Change in valuation allowance (as a percent) | 2.80% | 1.90% | 0.90%
Effect of foreign tax rate differences (as a percent) | 3.40% | (4.20%) | (6.50%)
Permanent items, other (as a percent) | 0.80% | 0.20% | (0.40%)
R&D Credit (as a percent) | (0.80%) | (2.20%) | (1.70%)
Restricted Stock Awards (as a percent) | (2.30%) | (2.60%) | (2.70%)
Effect of Tax Cuts and Jobs Act (as a percent) | (5.10%) | 19.40% | 0.00%
Other (as a percent) | 0.20% | (0.90%) | 0.90%
Provision for income taxes (as a percent) | 23.00% | 50.20% | 29.10%
Effective tax rate excluding adjustments related to Tax Cuts and Jobs Act, Tax rate |  |  |
Recognized provisional amount included as a component of income tax expense from continuing operations |  | $ 3,133 |
Provision for income taxes | $ 2,898 |  |
Reduction to provision for income taxes | $ 235 |  |
Decreased in effective tax rate (as a percent) | 1.10 |  |
Transition tax liability |  | 3,140 |
Decrease in transition tax liability |  | $ 17 |
Transition tax liability period (in years) |  | 8 years |
Remaining transition tax obligation | $ 1,855 |  |
Provisional amount of deferred tax balance |  | $ (7) |
Decrease in deferred tax balance |  | 218 |
Noncurrent deferred tax assets: |  |  |
Employee benefit plans | 1,983 | 1,896 |
Net operating loss and tax credit carryforwards | 983 | 640 |
Allowances and other | 1,507 | 203 |
Other | 326 | 370 |
Total noncurrent deferred tax assets | 4,799 | 3,109 |
Valuation allowance | (1,003) | (50) |
Net noncurrent deferred tax assets: | 3,796 | 3,059 |
Net noncurrent deferred tax liabilities: |  |  |
Property and Equipment | 3,708 | 3,001 |
Goodwill and Intangibles | 3,188 | 3,398 |
Other | 419 | 255 |
Total deferred tax liabilities | 7,315 | 6,654 |
Net deferred tax asset/(deferred tax liability) | (3,519) | (3,595) |
Foreign tax credits |  | 900 |
Tax effect on net operating losses |  | $ 100 |
Unremitted earnings | $ 200 |  |

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