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INCOME TAXES (Tables) | 12 Months Ended
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Dec. 31, 2018
INCOME TAXES |
Schedule of income tax expense (benefit) |
(in thousands) |  | 2018 |  | 2017
Current taxes - Federal |  | $ | (38) |  | $ | (124)
Current taxes - State |  |  | 10 |  |  | 10
Current taxes - Foreign |  |  | 334 |  |  | 49
Deferred taxes - Federal |  |  | — |  |  | 176
Deferred taxes - State |  |  | — |  |  | 239
Deferred taxes - Foreign |  |  | 20 |  |  | 25
Income tax expense |  | $ | 326 |  | $ | 375
Schedule of statutory rate reconciliation |
(in thousands) |  | 2018 |  | 2017
Statutory federal tax provision (benefit) |  | $ | 107 |  | $ | (704)
State income tax benefit |  |  | (36) |  |  | (117)
Effect of foreign operations |  |  | 52 |  |  | (88)
Uncertain tax positions |  |  | (19) |  |  | —
Income tax credits |  |  | — |  |  | (112)
Valuation allowance |  |  | (199) |  |  | 1,011
Permanent differences |  |  | 15 |  |  | 8
Global Intangile Low-Taxed Income Effect |  |  | 296 |  |  | —
Return to Provision - Credits and NOL |  |  | 176 |  |  | —
Deferred adjustments |  |  | (62) |  |  | —
Loss of Section 199 due to carryback claim |  |  | — |  |  | 46
Effects of tax reform |  |  | — |  |  | 280
Other |  |  | (4) |  |  | 51
Income tax expense |  | $ | 326 |  | $ | 375
Schedule of income (loss) from operations before income taxes |
(in thousands) |  | 2018 |  | 2017
Domestic |  | $ | (1,090) |  | $ | (2,831)
Foreign |  |  | 1,582 |  |  | 760
Total |  | $ | 492 |  | $ | (2,071)
Schedule of deferred tax assets (liabilities) |
(in thousands) |  | 2018 |  | 2017
Deferred Tax |  |  |  |  |  |
Allowance for uncollectable accounts |  | $ | 53 |  | $ | 49
Inventories reserve |  |  | 267 |  |  | 198
Accrued vacation |  |  | 145 |  |  | 194
Amortization |  |  | — |  |  | 191
Stock-based compensation and equity appreciation rights |  |  | 54 |  |  | 23
Net operating loss carryforwards |  |  | 175 |  |  | 359
Tax credit carryforwards |  |  | 449 |  |  | 613
Other |  |  | 76 |  |  | 24
|  |  | 1,219 |  |  | 1,651
Valuation allowance |  |  | (614) |  |  | (1,146)
Deferred tax assets |  |  | 605 |  |  | 505
Prepaid expenses |  |  | (40) |  |  | (165)
Section 481(a) adjustment |  |  | (249) |  |  | —
Property and equipment |  |  | (316) |  |  | (319)
Deferred tax liabilities |  |  | (605) |  |  | (484)
Net deferred tax assets |  | $ | — |  | $ | 21
Schedule of changes in total gross unrecognized tax benefit liabilities, excluding accrued interest |
Balance as of December 31, 2016 |  | $ | 52
Tax positions related to 2017: |  |  |
Additions based on tax positions related to the current year |  |  | 22
Statute of limitations |  |  | (22)
Balance as of December 31, 2017 |  | $ | 52
Tax positions related to current year: |  |  |
Additions based on tax positions related to the current year |  |  | —
Statute of limitations |  |  | (19)
Balance as of December 31, 2018 |  | $ | 33

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- Definition Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 + Details
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