Note 1 - Basis of Presentation (Details Textual) - Accounting Standards Update 2016-09 [Member] - Three Months Ended December 31, 2015 [Member] |
3 Months Ended |
|---|---|
|
Dec. 31, 2016
USD ($)
| |
| Adjustments for New Accounting Principle, Early Adoption [Member] | |
| Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | $ 104,134 |
| Increase (Decrease) in Effective Income Tax Rate Reconciliation, Percent | (5.20%) |
| Increase (Decrease) in Earnings Per Share, Basic | 0.01 |
| Reclassification of Excess Tax Benefits Related to Stock-based Employee Awards from Financing Activities to Operating Activities [Member] | |
| Prior Period Reclassification Adjustment | $ 348,000 |
| X | ||||||||||
- 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.
|
| X | ||||||||||
- Definition Percentage increase (decrease) of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. No definition available.
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition The amount of a reclassification adjustment made to prior period financial statement amounts. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|