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 Comprehensive Income (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Statement - Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 007 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 008 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note 1 - Organization link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note 2 - Basis of Presentation and Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note 3 - Revenues link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note 4 - Investments and Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note 5 - Income Taxes link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note 6 - Debt link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note 7 - Stockholders' (Deficit) Equity link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note 8 - Equity Compensation Plans link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note 9 - Pension and Postretirement Benefits link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note 10 - Segment Reporting link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note 11 - Related Parties link:calculationLink link:definitionLink link:presentationLink 020 - Disclosure - Note 12 - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 021 - Disclosure - Note 13 - Subsequent Events link:calculationLink link:definitionLink link:presentationLink 995468 - Disclosure - Significant Accounting Policies (Policies) link:calculationLink link:definitionLink link:presentationLink 995469 - Disclosure - Note 3 - Revenues (Tables) link:calculationLink link:definitionLink link:presentationLink 995470 - Disclosure - Note 4 - Investments and Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink 995471 - Disclosure - Note 6 - Debt (Tables) link:calculationLink link:definitionLink link:presentationLink 995472 - Disclosure - Note 7 - Stockholders' (Deficit) Equity (Tables) link:calculationLink link:definitionLink link:presentationLink 995473 - Disclosure - Note 8 - Equity Compensation Plans (Tables) link:calculationLink link:definitionLink link:presentationLink 995474 - Disclosure - Note 9 - Pension and Postretirement Benefits (Tables) link:calculationLink link:definitionLink link:presentationLink 995475 - Disclosure - Note 10 - Segment Reporting (Tables) link:calculationLink link:definitionLink link:presentationLink 995476 - Disclosure - Note 3 - Revenues (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995477 - Disclosure - Note 3 - Revenues - Disaggregated Revenues (Details) link:calculationLink link:definitionLink link:presentationLink 995478 - Disclosure - Note 3 - Revenues - Summary of Change in Contract Liabilities (Details) link:calculationLink link:definitionLink link:presentationLink 995479 - Disclosure - Note 4 - Investments and Fair Value Measurements (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995480 - Disclosure - Note 4 - Investments and Fair Value Measurements - Long-term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 995481 - Disclosure - Note 5 - Income Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995482 - Disclosure - Note 6 - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995483 - Disclosure - Note 6 - Debt - Short-term and Long-term Debt (Details) link:calculationLink link:definitionLink link:presentationLink 995484 - Disclosure - Note 6 - Debt - Short-term and Long-term Debt (Details) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 995485 - Disclosure - Note 7 - Stockholders' (Deficit) Equity (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995486 - Disclosure - Note 7 - Stockholders' (Deficit) Equity - Computation of Basic and Diluted Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995487 - Disclosure - Note 7 - Stockholders' (Deficit) Equity - Summary of Accumulated Other Comprehensive Losses (Details) link:calculationLink link:definitionLink link:presentationLink 995488 - Disclosure - Note 7 - Stockholders' (Deficit) Equity - Other Comprehensive Income (Loss) (Details) link:calculationLink link:definitionLink link:presentationLink 995489 - Disclosure - Note 8 - Equity Compensation Plans (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995490 - Disclosure - Note 8 - Equity Compensation Plans - Summary of Stock Activity (Details) link:calculationLink link:definitionLink link:presentationLink 995491 - Disclosure - Note 8 - Equity Compensation Plans - Stock Options Granted Weighted Average Assumptions (Details) link:calculationLink link:definitionLink link:presentationLink 995492 - Disclosure - Note 9 - Pension and Postretirement Benefits (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995493 - Disclosure - Note 9 - Pension and Postretirement Benefits - Components of Net Periodic Benefit Cost and Amounts Recognized in Other Comprehensive Income (Details) link:calculationLink link:definitionLink link:presentationLink 995494 - Disclosure - Note 10 - Segment Reporting (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995495 - Disclosure - Note 10 - Segment Reporting - Long-lived Assets By Country (Details) link:calculationLink link:definitionLink link:presentationLink 995496 - Disclosure - Note 11 - Related Parties (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995497 - Disclosure - Note 12 - Commitments and Contingencies (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995498 - Disclosure - Note 13 - Subsequent Events (Details Textual) link:calculationLink link:definitionLink link:presentationLink