Note D - Income Taxes (Tables)
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12 Months Ended |
Sep. 30, 2018 |
Notes Tables |
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Summary of Valuation Allowance [Table Text Block] |
Year Ended | | | Balance at Beginning of Year | | | | Income Tax Expense (Benefit) | | | | Reversal for State NOL Expiration and Utilization | | | | Balance at End of Year | | September 30, 2018 | | $ | 159,154 | | | $ | 79,377 | | | $ | (133,673 | ) | | $ | 104,858 | | September 30, 2017 | | | 322,404 | | | | (32,154 | ) | | | (131,096 | ) | | | 159,154 | | September 30, 2016 | | | 658,808 | | | | (78,044 | ) | | | (258,360 | ) | | | 322,404 | |
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Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| | | September 30, 2018 | | | | September 30, 2017 | | Long-term deferred income tax assets (liabilities): | | | | | Intangibles | | $ | (70,467 | ) | | $ | (90,085 | ) | Property and equipment depreciation | | | (552,119 | ) | | | (948,653 | ) | Net operating loss carry forwards and credits | | | 464,274 | | | | 551,125 | | Stock-based compensation | | | 151,558 | | | | 209,645 | | Inventories | | | 400,111 | | | | 503,632 | | Prepaid expenses | | | (60,806 | ) | | | (48,847 | ) | Accrued expenses and reserves | | | 250,787 | | | | 404,649 | | Goodwill | | | (583,415 | ) | | | (866,388 | ) | Gross long-term deferred tax liability | | | (77 | ) | | | (284,922 | ) | Valuation allowance | | | (104,858 | ) | | | (159,154 | ) | Net long-term deferred tax liability | | $ | (104,935 | ) | | $ | (444,076 | ) |
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Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| | | September 30, 2018 | | | | September 30, 2017 | | | | September 30, 2016 | | Federal statutory rate | | | 24 | % | | | 34 | % | | | 34 | % | Federal rate change | | | (5 | %) | | | - | | | | - | | State income taxes | | | 2 | % | | | 1 | % | | | 1 | % | Permanent differences | | | - | | | | (1 | %) | | | - | | Change in valuation allowance | | | (3 | %) | | | (4 | %) | | | (3 | %) | Expiration and utilization of state NOL’s | | | 4 | % | | | 3 | % | | | 2 | % | Research and development credits | | | (1 | %) | | | (1 | %) | | | (1 | %) | Excess tax expense (benefits) from stock-based compensation | | | 2 | % | | | (1 | %) | | | (7 | %) | Tax rate | | | 23 | % | | | 31 | % | | | 26 | % |
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Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| | | September 30, 2018 | | | | September 30, 2017 | | | | September 30, 2016 | | Current: | | | | | | | Federal | | $ | 1,472,512 | | | $ | 1,627,125 | | | $ | 428,638 | | State | | | 120,034 | | | | 78,552 | | | | 106,623 | | Current income tax expense | | | 1,592,546 | | | | 1,705,677 | | | | 535,261 | | Deferred: | | | | | | | | | | | | | Federal | | | (463,798 | ) | | | 8,680 | | | | 2,434,294 | | State | | | 124,657 | | | | 23,617 | | | | (93,523 | ) | Deferred income tax expense | | | (339,141 | ) | | | 32,297 | | | | 2,340,771 | | Income tax expense | | $ | 1,253,405 | | | $ | 1,737,974 | | | $ | 2,876,032 | |
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