Note 1 - Basis of Presentation (Details Textual) - Adjustments for New Accounting Principle, Early Adoption [Member] - Accounting Standards Update 2016-09 [Member] |
6 Months Ended |
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Mar. 31, 2017
USD ($)
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| Three Months Ended March 31, 2016 [Member] | |
| Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | $ 54,313 |
| Increase (Decrease) in Effective Income Tax Rate Reconciliation, Percent | (2.50%) |
| Increase (Decrease) in Earnings Per Share, Basic | 0 |
| Six Months Ended March 31, 2016 [Member] | |
| Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | $ 158,447 |
| Increase (Decrease) in Effective Income Tax Rate Reconciliation, Percent | (3.70%) |
| Increase (Decrease) in Earnings Per Share, Basic | 0.01 |
| Prior Period Reclassification Adjustment | $ 741,000 |
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- Definition The amount increase (decrease) of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. No definition available.
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- Definition Percentage increase (decrease) of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. No definition available.
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of a reclassification adjustment made to prior period financial statement amounts. No definition available.
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