000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Statements of Income (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Statements of Stockholders' Equity link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 995550 - Disclosure - Note 1 - Nature of Operations link:calculationLink link:definitionLink link:presentationLink 995551 - Disclosure - Note 2 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 995552 - Disclosure - Note 3 - Revenue Recognition link:calculationLink link:definitionLink link:presentationLink 995553 - Disclosure - Note 4 - Units Open and Under Development link:calculationLink link:definitionLink link:presentationLink 995554 - Disclosure - Note 5 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 995555 - Disclosure - Note 6 - Stockholder's Equity link:calculationLink link:definitionLink link:presentationLink 995556 - Disclosure - Note 7 - Lease Commitments link:calculationLink link:definitionLink link:presentationLink 995557 - Disclosure - Note 9 - Employee Benefit Plan link:calculationLink link:definitionLink link:presentationLink 995558 - Disclosure - Note 10 - Contingencies link:calculationLink link:definitionLink link:presentationLink 995559 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995560 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Tables) link:calculationLink link:definitionLink link:presentationLink 995561 - Disclosure - Note 3 - Revenue Recognition (Tables) link:calculationLink link:definitionLink link:presentationLink 995562 - Disclosure - Note 4 - Units Open and Under Development (Tables) link:calculationLink link:definitionLink link:presentationLink 995563 - Disclosure - Note 5 - Income Taxes (Tables) link:calculationLink link:definitionLink link:presentationLink 995564 - Disclosure - Note 7 - Lease Commitments (Tables) link:calculationLink link:definitionLink link:presentationLink 995565 - Disclosure - Note 1 - Nature of Operations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995566 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995567 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Summary of Portfolio Segments for Receivables (Details) link:calculationLink link:definitionLink link:presentationLink 995568 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Allowance for Credit Losses (Details) link:calculationLink link:definitionLink link:presentationLink 995569 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Summary of Past Due Financing Receivables (Details) link:calculationLink link:definitionLink link:presentationLink 995570 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Schedule of Receivables by Year and Risk Rating (Details) link:calculationLink link:definitionLink link:presentationLink 995571 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Net Book Value of Goodwill and Intangible Assets With Indefinite and Definite Lives (Details) link:calculationLink link:definitionLink link:presentationLink 995572 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Summary of Cash, Cash Equivalents, and Restricted Cash (Details) link:calculationLink link:definitionLink link:presentationLink 995573 - Disclosure - Note 2 - Summary of Significant Accounting Policies - Computation of Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995574 - Disclosure - Note 3 - Revenue Recognition - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 995575 - Disclosure - Note 3 - Revenue Recognition - Contract Balances Subject to ASC 606 (Details) link:calculationLink link:definitionLink link:presentationLink 995576 - Disclosure - Note 3 - Revenue Recognition - Remaining Performance Obligations (Details) link:calculationLink link:definitionLink link:presentationLink 995577 - Disclosure - Note 3 - Revenue Recognition - Remaining Performance Obligations 2 (Details) link:calculationLink link:definitionLink link:presentationLink 995578 - Disclosure - Note 4 - Units Open and Under Development - Operating Units (Details) link:calculationLink link:definitionLink link:presentationLink 995579 - Disclosure - Note 5 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995580 - Disclosure - Note 5 - Income Taxes - Components of the Current Provision (Benefit) for Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995581 - Disclosure - Note 5 - Income Taxes - Reconciliation of the Expected Income Tax Expense (Benefit) to the Recorded Income Tax Expense (Benefit) (Details) link:calculationLink link:definitionLink link:presentationLink 995582 - Disclosure - Note 5 - Income Taxes - The Components of the Deferred Tax Assets and Liabilities for Federal and State Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink 995583 - Disclosure - Note 6 - Stockholder's Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995584 - Disclosure - Note 7 - Lease Commitments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995585 - Disclosure - Note 7 - Lease Commitments - Gross Future Minimum Annual Rental Commitments (Details) link:calculationLink link:definitionLink link:presentationLink 995586 - Disclosure - Note 9 - Employee Benefit Plan (Details Textual) link:calculationLink link:definitionLink link:presentationLink