Note D - Income Taxes (Tables)
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12 Months Ended |
Sep. 30, 2017 |
Notes Tables |
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Summary of Valuation Allowance [Table Text Block] |
Year Ended | | Balance at Beginning of Year | | Income Tax Benefit | | Reversal for State NOL Expiration and Utilization | | Balance at End of Year | September 30, 2017 | | $ | 322,404 | | | $ | (32,154 | ) | | $ | (131,096 | ) | | $ | 159,154 | | September 30, 2016 | | | 658,808 | | | | (78,044 | ) | | | (258,360 | ) | | | 322,404 | | September 30, 2015 | | | 847,826 | | | | (53,836 | ) | | | (135,182 | ) | | | 658,808 | |
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Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| | September 30, 2017 | | September 30, 2016 | Long-term deferred income tax assets (liabilities): | | | | | | | | | Intangibles | | $ | (90,085 | ) | | $ | (67,450 | ) | Property and equipment depreciation | | | (948,653 | ) | | | (815,374 | ) | Net operating loss carry forwards and credits | | | 551,125 | | | | 702,113 | | Stock-based compensation | | | 209,645 | | | | 221,905 | | Inventories | | | 503,632 | | | | 388,292 | | Prepaid expenses | | | (48,847 | ) | | | (44,511 | ) | Accrued expenses and reserves | | | 404,649 | | | | 312,227 | | Goodwill | | | (866,388 | ) | | | (786,577 | ) | Gross long-term deferred tax liability | | | (284,922 | ) | | | (89,375 | ) | Valuation allowance | | | (159,154 | ) | | | (322,404 | ) | Net long-term deferred tax liability | | $ | (444,076 | ) | | $ | (411,779 | ) |
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Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| | September 30, 2017 | | September 30, 2016 | | September 30, 2015 | Federal statutory rate | | | 34 | % | | | 34 | % | | | 34 | % | State income taxes | | | 1 | % | | | 1 | % | | | 1 | % | Permanent differences | | | (1 | %) | | | - | | | | 1 | % | Change in valuation allowance | | | (4 | %) | | | (3 | %) | | | (3 | %) | Expiration and utilization of state NOL’s | | | 3 | % | | | 2 | % | | | 2 | % | Research and development credits | | | (1 | %) | | | (1 | %) | | | - | | Excess tax benefits from stock-based compensation | | | (1 | %) | | | (7 | %) | | | - | | Tax rate | | | 31 | % | | | 26 | % | | | 35 | % |
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Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| | September 30, 2017 | | September 30, 2016 | | September 30, 2015 | Current: | | | | | | | | | | | | | Federal | | $ | 1,627,125 | | | $ | 428,638 | | | $ | 67,373 | | State | | | 78,552 | | | | 106,623 | | | | 65,820 | | Current income tax expense | | | 1,705,677 | | | | 535,261 | | | | 133,193 | | Deferred: | | | | | | | | | | | | | Federal | | | 8,680 | | | | 2,434,294 | | | | 2,377,590 | | State | | | 23,617 | | | | (93,523 | ) | | | (35,545 | ) | Deferred income tax expense | | | 32,297 | | | | 2,340,771 | | | | 2,342,045 | | Income tax expense | | $ | 1,737,974 | | | $ | 2,876,032 | | | $ | 2,475,238 | |
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