000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Condensed Consolidated Statements of Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note 1 - Organization and Background link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note 2 - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note 3 - Cash, Cash Equivalents, and Restricted Cash link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 4 - Accounts Receivable link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 5 - Property and Equipment link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 6 - Intangible Assets link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 8 - Fair Value link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 9 - Asset Retirement Obligations link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 10 - Capital Stock link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 11 - Long-term Debt link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 12 - Leases link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 13 - Industry Segments link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 14 - Discontinued Operations link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 15 - Custodial Risk link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 16 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 3 - Cash, Cash Equivalents, and Restricted Cash (Tables) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 4 - Accounts Receivable (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 5 - Property and Equipment (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 6 - Intangible Assets (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method (Tables) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 8 - Fair Value (Tables) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 9 - Asset Retirement Obligations (Tables) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 12 - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 13 - Industry Segments (Tables) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 14 - Discontinued Operations (Tables) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 1 - Organization and Background (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 3 - Cash, Cash Equivalents, and Restricted Cash - Schedule of Restricted Cash and Cash Equivalents (Details) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 4 - Accounts Receivable - Schedule of Receivables (Details) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 5 - Property and Equipment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 5 - Property and Equipment - Schedule of Property, Plant and Equipment (Details) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 6 - Intangible Assets (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 6 - Intangible Assets - Schedule of Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 6 - Intangible Assets - Schedule of Future Amortization, Intangible Assets (Details) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method - Schedule of Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method - Marketable Equity Securities and Trading Securities (Details) link:calculationLink link:definitionLink link:presentationLink 995491 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method - Available for Sale Securities (Details) link:calculationLink link:definitionLink link:presentationLink 995492 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method (As Restated) - Reconciliation of the Company's Investments in Equity Affiliates (Details) link:calculationLink link:definitionLink link:presentationLink 995493 - Disclosure - Note 7 - Investments, Including Investments Accounted for Using the Equity Method - Summarized Financial Data (Details) link:calculationLink link:definitionLink link:presentationLink 995494 - Disclosure - Note 8 - Fair Value (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995495 - Disclosure - Note 8 - Fair Value - Fair Values for Investments (Details) link:calculationLink link:definitionLink link:presentationLink 995496 - Disclosure - Note 9 - Asset Retirement Obligations - Asset Retirement Obligations (Details) link:calculationLink link:definitionLink link:presentationLink 995497 - Disclosure - Note 10 - Capital Stock (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995498 - Disclosure - Note 11 - Long-term Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995499 - Disclosure - Note 12 - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995500 - Disclosure - Note 12 - Leases - Operating Lease Cost (Details) link:calculationLink link:definitionLink link:presentationLink 995501 - Disclosure - Note 12 - Leases - Supplemental Cash Flow Information Related to Operating Leases (Details) link:calculationLink link:definitionLink link:presentationLink 995502 - Disclosure - Note 12 - Leases - Operating Lease Assets and Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995503 - Disclosure - Note 12 - Leases - Maturity of Operating Lease Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995504 - Disclosure - Note 13 - Industry Segments (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995505 - Disclosure - Note 13 - Industry Segments - Schedule of Segment Reporting Information, by Segment (Details) link:calculationLink link:definitionLink link:presentationLink 995506 - Disclosure - Note 14 - Discontinued Operations (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995507 - Disclosure - Note 14 - Discontinued Operations - Schedule of Discontinued Operations (Details) link:calculationLink link:definitionLink link:presentationLink 995508 - Disclosure - Note 14 - Discontinued Operations - Reserves Balance for Losses and Loss Adjustment Expenses (Details) link:calculationLink link:definitionLink link:presentationLink 995509 - Disclosure - Note 15 - Custodial Risk (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995510 - Disclosure - Note 16 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink