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Income Taxes (Tables) | 12 Months Ended
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Sep. 30, 2019
Income Tax Disclosure [Abstract] |
Components of Income (Loss) Before Income Taxes | Components of income (loss) before income taxes were as follows (in thousands):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2019 |  |  | 2018 |
United States |  | $ | 4,105 |  |  | $ | (19,231 | )
Foreign |  |  | (1,834 | ) |  |  | (561 | )
|  | $ | 2,271 |  |  | $ | (19,792 | )
Computation of Provision (Benefit) for Income Taxes | The provision (benefit) for income taxes consisted of the following (in thousands):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2019 |  |  | 2018 |
Current |  |  |  |  |  |  |  |
Federal |  | $ | (16 | ) |  | $ | (613 | )
Foreign |  |  | 2,401 |  |  |  | 51 |
State |  |  | 16 |  |  |  | — |
|  |  | 2,401 |  |  |  | (562 | )
Deferred: |  |  |  |  |  |  |  |
Federal |  |  | — |  |  |  | — |
Foreign |  |  | 16 |  |  |  | (18 | )
|  |  | 16 |  |  |  | (18 | )
|  | $ | 2,417 |  |  | $ | (580 | )
Reconciliation of Actual Income Tax Expenses (Benefits) | Actual income tax expense (benefit) differs from income tax expense computed by applying the U.S. statutory federal tax rate of 21% and 24% (blended) for the fiscal years ended September 30, 2019 and 2018 as follows (in thousands):
|  | YEAR ENDED SEPTEMBER 30, |
|  | 2019 |  |  | 2018 |
Expense (benefit) for U.S federal income tax at statutory rate |  | $ | 477 |  |  | $ | (4,849 | )
Effect of foreign income taxes |  |  | (101 | ) |  |  | (47 | )
Research and experimentation tax credit |  |  | (812 | ) |  |  | (320 | )
State income taxes, net of federal income tax benefit |  |  | (161 | ) |  |  | (23 | )
Nondeductible expenses |  |  | 105 |  |  |  | 33 |
Resolution of prior years’ tax matters |  |  | 14 |  |  |  | (657 | )
Change in valuation allowance |  |  | 964 |  |  |  | (4,237 | )
Impact on deferred taxes due to change in tax rate |  |  | — |  |  |  | 8,116 |
Difference in U.S. tax rate from assumed rate |  |  | — |  |  |  | 511 |
Change in fair value of contingent consideration |  |  | (444 | ) |  |  | — |
Foreign income tax withholding |  |  | 2,358 |  |  |  | 11 |
Disallowance of stock compensation adjustments in excess of book |  |  | 31 |  |  |  | 895 |
Other items |  |  | (14 | ) |  |  | (13 | )
|  | $ | 2,417 |  |  | $ | (580 | )
Effective tax rate |  |  | 106.4 | % |  |  | 2.9 | %
Components of Net Deferred Income Tax Asset | The income tax expense for fiscal year 2019 primarily reflects foreign withholding tax on rental income earned in Nigeria and Brunei. The income tax benefit for fiscal year 2018 primarily reflects a $0.7 million tax refund resulting from the filing of an amended U.S. tax return. The Company is currently unable to record any tax benefits for its tax losses in the U.S. and Canada due to the uncertainty surrounding its ability to utilize such losses in the future to offset taxable income. Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of the Company’s net deferred income tax asset were as follows (in thousands):
|  | AS OF SEPTEMBER 30, 2019 |  |  | AS OF SEPTEMBER 30, 2018 |
|  | U.S. |  |  | Non U.S. |  |  | Total |  |  | U.S. |  |  | Non U.S. |  |  | Total |
Deferred income tax assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  | $ | 189 |  |  | $ | 3 |  |  | $ | 192 |  |  | $ | 545 |  |  | $ | 8 |  |  | $ | 553 |
Inventories |  |  | 7,652 |  |  |  | 79 |  |  |  | 7,731 |  |  |  | 6,870 |  |  |  | 68 |  |  |  | 6,938 |
Loss and tax credit carry-forwards |  |  | 18,156 |  |  |  | 4,221 |  |  |  | 22,377 |  |  |  | 17,056 |  |  |  | 4,151 |  |  |  | 21,207 |
Stock-based compensation |  |  | 691 |  |  |  | — |  |  |  | 691 |  |  |  | 614 |  |  |  | — |  |  |  | 614 |
Accrued product warranty |  |  | 43 |  |  |  | 4 |  |  |  | 47 |  |  |  | 136 |  |  |  | 8 |  |  |  | 144 |
Accrued compensated absences |  |  | 313 |  |  |  | — |  |  |  | 313 |  |  |  | 259 |  |  |  | — |  |  |  | 259 |
Property and equipment |  |  | — |  |  |  | 462 |  |  |  | 462 |  |  |  | — |  |  |  | 457 |  |  |  | 457 |
Prepaid income taxes |  |  | 753 |  |  |  | — |  |  |  | 753 |  |  |  | 714 |  |  |  | — |  |  |  | 714 |
Other reserves |  |  | 13 |  |  |  | 8 |  |  |  | 21 |  |  |  | 56 |  |  |  | 6 |  |  |  | 62 |
|  |  | 27,810 |  |  |  | 4,777 |  |  |  | 32,587 |  |  |  | 26,250 |  |  |  | 4,698 |  |  |  | 30,948 |
Deferred income tax liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allowance for doubtful accounts |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (6 | ) |  |  | (6 | )
Intangible assets |  |  | (1,386 | ) |  |  | (5 | ) |  |  | (1,391 | ) |  |  | (1,681 | ) |  |  | — |  |  |  | (1,681 | )
Property, plant and equipment and other |  |  | (4,919 | ) |  |  | (59 | ) |  |  | (4,978 | ) |  |  | (3,622 | ) |  |  | (59 | ) |  |  | (3,681 | )
Subtotal deferred income tax assets |  |  | 21,505 |  |  |  | 4,713 |  |  |  | 26,218 |  |  |  | 20,947 |  |  |  | 4,633 |  |  |  | 25,580 |
Valuation allowance |  |  | (21,502 | ) |  |  | (4,531 | ) |  |  | (26,033 | ) |  |  | (20,931 | ) |  |  | (4,448 | ) |  |  | (25,379 | )
Net deferred income tax assets |  | $ | 3 |  |  | $ | 182 |  |  | $ | 185 |  |  | $ | 16 |  |  | $ | 185 |  |  | $ | 201 |
Net Classification of Deferred Income Tax Assets and Liabilities in Balance Sheet | Deferred income tax assets and liabilities are reported as follows in the accompanying consolidated balance sheets (in thousands):
|  | AS OF SEPTEMBER 30, |
|  | 2019 |  |  | 2018 |
Deferred income tax assets, net |  | $ | 236 |  |  | $ | 246 |
Deferred income tax liabilities, net |  |  | (51 | ) |  |  | (45 | )
|  | $ | 185 |  |  | $ | 201 |

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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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