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INCOME TAXES (Tables) | 12 Months Ended
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Sep. 30, 2018
Income Tax Disclosure [Abstract] |
Income Tax (Provision) Benefit | Income (loss) before income taxes for the years ended September 30, 2018, 2017, and 2016 is comprised of the following (amounts shown in thousands):
| 2018 |  | 2017 |  | 2016
Domestic | $ | (1,584) |  | $ | 4,057 |  | $ | 2,732
Foreign | (7,157) |  | (886) |  | (774)
Total | $ | (8,741) |  | $ | 3,171 |  | $ | 1,958
For the years ended September 30, 2018, 2017, and 2016 the income tax benefit (provision) was as follows (amounts shown in thousands):
| 2018 |  | 2017 |  | 2016
Federal—current | $ | (87) |  | $ | (127) |  | $ | (129)
Federal—deferred | (4,537) |  | 8,291 |  | —
State—current | (26) |  | (20) |  | (16)
State—deferred | 773 |  | 2,748 |  | —
Foreign—current | (270) |  | 29 |  | 146
Foreign—deferred | 1,081 |  | — |  | —
Total | $ | (3,066) |  | $ | 10,921 |  | $ | 1
Company's Net Deferred Tax Assets and Liabilities | Significant components of the Company’s net deferred tax assets and liabilities as of September 30, 2018 and 2017 are as follows (amounts shown in thousands):
| 2018 |  | 2017
Deferred tax assets: |  |  |
Stock-based compensation | $ | 3,067 |  | $ | 3,671
Net operating loss carryforwards | 8,568 |  | 3,453
Research credit carryforwards | 3,890 |  | 3,171
AMT credit carryforwards | — |  | 392
Foreign net operating losses | — |  | 386
Other, net | 354 |  | 770
Total deferred assets | 15,879 |  | 11,843
Deferred tax liabilities: |  |  |
Intangibles | (181) |  | (393)
Foreign deferred liabilities | (8,032) |  | (280)
Net deferred tax asset | 7,666 |  | 11,170
Valuation allowance for net deferred tax assets | (472) |  | (105)
Net deferred tax asset | $ | 7,194 |  | $ | 11,065
Income Taxes Computed Using Federal Income Tax Rate | The difference between the income tax benefit (provision) and income taxes computed using the U.S. federal income tax rate was as follows for the years ended September 30, 2018, 2017, and 2016 (amounts shown in thousands):
| 2018 |  | 2017 |  | 2016
Amount computed using statutory rate | $ | 2,122 |  | $ | (1,078) |  | $ | (666)
Net change in valuation allowance for net deferred tax assets | (367) |  | 10,058 |  | 1,889
AMT and other | (191) |  | 20 |  | (148)
Foreign rate differential | 22 |  | (169) |  | (70)
Non-deductible items | (276) |  | (370) |  | (1,136)
State income tax | 50 |  | (34) |  | (15)
Foreign net operating loss | — |  | — |  | 147
Impact of tax reform on deferred taxes | (4,901) |  | — |  | —
Research and development credits | 475 |  | 2,494 |  | —
Income tax benefit (provision) | $ | (3,066) |  | $ | 10,921 |  | $ | 1
Schedule of Unrecognized Tax Benefits Roll Forward | The following table reconciles the beginning and ending amount of unrecognized tax benefits for the fiscal years ended September 30, 2018, 2017, and 2016 (amounts shown in thousands):
| 2018 |  | 2017 |  | 2016
Gross unrecognized tax benefits at the beginning of the year | $ | 1,181 |  | $ | — |  | $ | —
Additions from tax positions taken in the current year | 140 |  | 140 |  | —
Additions from tax positions taken in prior years | — |  | 1,041 |  | —
Reductions from tax positions taken in prior years | — |  | — |  | —
Tax settlements | — |  | — |  | —
Gross unrecognized tax benefits at end of the year | $ | 1,321 |  | $ | 1,181 |  | $ | —

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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://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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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