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Income Taxes (Tables) | 12 Months Ended
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Dec. 31, 2018
Income Tax Disclosure [Abstract] |
Schedule of Income (Loss) before Income Tax Expense by Jurisdiction | The components of income before income tax expense are as follows (in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
U.S. | $ | 8,677 |  |  | $ | 6,953 |  |  | $ | 7,525 |
Foreign | (391 | ) |  | (2,235 | ) |  | 2,474 |
| $ | 8,286 |  |  | $ | 4,718 |  |  | $ | 9,999 |
Schedule of Income Tax Expense | The deferred tax provision results from changes in the Company’s deferred tax assets (future deductible amounts) and tax liabilities (future taxable amounts), which are presented in the table below:
| Current |  | Deferred |  | Total
| (In thousands)
Year Ended December 31, 2018 |  |  |  |  |
Federal | $ | 1,938 |  |  | $ | (260 | ) |  | $ | 1,678 |
State | 650 |  |  | 22 |  |  | 672 |
Foreign | 1,461 |  |  | (186 | ) |  | 1,275 |
| $ | 4,049 |  |  | $ | (424 | ) |  | $ | 3,625 |
Year Ended December 31, 2017 |  |  |  |  |
Federal | $ | 1,988 |  |  | $ | 24 |  |  | $ | 2,012 |
State | 198 |  |  | (64 | ) |  | 134 |
Foreign | 905 |  |  | 75 |  |  | 980 |
| $ | 3,091 |  |  | $ | 35 |  |  | $ | 3,126 |
Year Ended December 31, 2016 |  |  |  |  |
Federal | $ | 2,403 |  |  | $ | (123 | ) |  | $ | 2,280 |
State | 395 |  |  | 23 |  |  | 418 |
Foreign | 1,391 |  |  | (97 | ) |  | 1,294 |
| $ | 4,189 |  |  | $ | (197 | ) |  | $ | 3,992 |
Schedule of Tax Expense to Effective Tax Rate | Income tax expense differed from the amounts computed by applying the U.S. federal statutory tax rate applicable to the Company’s level of pretax income as a result of the following (in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Federal tax at statutory rates | $ | 1,738 |  |  | $ | 1,651 |  |  | $ | 3,500 |
State taxes, net of federal income tax benefit | 586 |  |  | 113 |  |  | 276 |
Change of valuation allowance | 1,565 |  |  | 1,577 |  |  | 895 |
Uncertain tax positions | (177 | ) |  | (907 | ) |  | (132 | )
Foreign income taxed at different rates | (273 | ) |  | 72 |  |  | (509 | )
U.S. tax reform (the Tax Act) | — |  |  | 681 |  |  | — |
Tax on undistributed earnings | — |  |  | (173 | ) |  | — |
Non-deductible expenses and other | 186 |  |  | 112 |  |  | (38 | )
Total income tax expense | $ | 3,625 |  |  | $ | 3,126 |  |  | $ | 3,992 |
Schedule of Deferred Tax Assets and Liabilities | The tax effects of temporary differences that give rise to significant portions of the Company’s deferred tax assets and liabilities are as follows (in thousands):
| December 31,
| 2018 |  | 2017
Deferred tax assets: |  |  |
Net operating loss carryforwards | $ | 9,805 |  |  | $ | 9,250 |
State income taxes | 82 |  |  | 65 |
Accruals and allowances | 292 |  |  | 287 |
Stock based compensation | 910 |  |  | 744 |
Unrealized foreign exchange losses | 151 |  |  | 191 |
Deferred revenue | 377 |  |  | 87 |
Deferred rent | — |  |  | 418 |
Total deferred tax assets | 11,617 |  |  | 11,042 |
Valuation allowance | (9,723 | ) |  | (9,249 | )
Total deferred tax assets net of valuation allowance | 1,894 |  |  | 1,793 |
Deferred tax liabilities: |  |  |
Deferred rent | (80 | ) |  | — |
Property, equipment and intangible assets | (169 | ) |  | (277 | )
Total deferred tax liabilities | (249 | ) |  | (277 | )
Net deferred tax assets | $ | 1,645 |  |  | $ | 1,516 |
Changes in the Deferred Tax Assets Valuation Allowance | Changes in the deferred tax assets valuation allowance for the years ended December 31, 2016, 2017 and 2018 are as follows (in thousands):
| Balance at the beginning of the year |  | Charged (Credited) to expenses |  | Charged (Credited) to other account (*) |  | Balance at end of year
Deferred tax assets valuation allowance |  |  |  |  |  |  |
2016 | $ | 6,940 |  |  | 895 |  |  | (667 | ) |  | $ | 7,168 |
2017 | $ | 7,168 |  |  | 1,577 |  |  | 504 |  |  | $ | 9,249 |
2018 | $ | 9,249 |  |  | 1,565 |  |  | (1,091 | ) |  | $ | 9,723 |
(*) Amounts not charged (credited) to expenses are charged (credited) to stockholder's equity or deferred tax assets (liabilities).
Rollforward of Unrecognized Tax Benefits | A reconciliation of the beginning and ending amount of gross unrecognized tax benefits in 2016, 2017, and 2018 is as follows (in thousands):
Gross unrecognized tax benefits balance at January 1, 2016 | $ | 2,670 |
Increase related to prior year tax positions | 10 |
Lapse of statute of limitations | (323 | )
Gross unrecognized tax benefits balance at December 31, 2016 | 2,357 |
Increase related to prior year tax positions | 21 |
Decrease related to prior year tax positions | (737 | )
Increase related to current year tax positions | 4 |
Settlements | (920 | )
Gross unrecognized tax benefits balance at December 31, 2017 | 725 |
Increase related to current year tax positions | 15 |
Settlements | (501 | )
Gross unrecognized tax benefits balance at December 31, 2018 | $ | 239 |

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