000 - Document - Document And Entity Information link:calculationLink link:definitionLink link:presentationLink 001 - Statement - Consolidated Condensed Balance Sheets (Current Period Unaudited) link:calculationLink link:definitionLink link:presentationLink 002 - Statement - Consolidated Condensed Balance Sheets (Current Period Unaudited) (Parentheticals) link:calculationLink link:definitionLink link:presentationLink 003 - Statement - Consolidated Condensed Statements of Operations (Unaudited) link:calculationLink link:definitionLink link:presentationLink 004 - Statement - Consolidated Condensed Statement of Stockholders' Equity (Unaudited) link:calculationLink link:definitionLink link:presentationLink 005 - Statement - Consolidated Condensed Statements of Cash Flows (Unaudited) link:calculationLink link:definitionLink link:presentationLink 006 - Disclosure - Note A - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink 007 - Disclosure - Note B - Seasonal Aspects link:calculationLink link:definitionLink link:presentationLink 008 - Disclosure - Note C - Inventories link:calculationLink link:definitionLink link:presentationLink 009 - Disclosure - Note D - Fair Values of Financial Instruments link:calculationLink link:definitionLink link:presentationLink 010 - Disclosure - Note E - Stock Compensation link:calculationLink link:definitionLink link:presentationLink 011 - Disclosure - Note F - Segment Information link:calculationLink link:definitionLink link:presentationLink 012 - Disclosure - Note G - Dividend Payment link:calculationLink link:definitionLink link:presentationLink 013 - Disclosure - Note H - Earnings Per Share link:calculationLink link:definitionLink link:presentationLink 014 - Disclosure - Note I - New Accounting Standards and Changes in Accounting Principles link:calculationLink link:definitionLink link:presentationLink 015 - Disclosure - Note J - Revenue From Contracts With Customers link:calculationLink link:definitionLink link:presentationLink 016 - Disclosure - Note K - Leases link:calculationLink link:definitionLink link:presentationLink 017 - Disclosure - Note L - Commitments and Contingencies link:calculationLink link:definitionLink link:presentationLink 018 - Disclosure - Note M - Debt link:calculationLink link:definitionLink link:presentationLink 019 - Disclosure - Note N - Provision for Taxes link:calculationLink link:definitionLink link:presentationLink 995445 - Disclosure - Note C - Inventories (Tables) link:calculationLink link:definitionLink link:presentationLink 995446 - Disclosure - Note D - Fair Values of Financial Instruments (Tables) link:calculationLink link:definitionLink link:presentationLink 995447 - Disclosure - Note F - Segment Information (Tables) link:calculationLink link:definitionLink link:presentationLink 995448 - Disclosure - Note H - Earnings Per Share (Tables) link:calculationLink link:definitionLink link:presentationLink 995449 - Disclosure - Note J - Revenue From Contracts With Customers (Tables) link:calculationLink link:definitionLink link:presentationLink 995450 - Disclosure - Note K - Leases (Tables) link:calculationLink link:definitionLink link:presentationLink 995451 - Disclosure - Note C - Inventories - Schedule of Inventories (Details) link:calculationLink link:definitionLink link:presentationLink 995452 - Disclosure - Note D - Fair Values of Financial Instruments - Fair Value of Financial Instruments (Details) link:calculationLink link:definitionLink link:presentationLink 995453 - Disclosure - Note E - Stock Compensation (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995454 - Disclosure - Note F - Segment Information (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995455 - Disclosure - Note F - Segment Information - Segment Information (Details) link:calculationLink link:definitionLink link:presentationLink 995456 - Disclosure - Note G - Dividend Payment (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995457 - Disclosure - Note H - Earnings Per Share - Earnings Per Share (Details) link:calculationLink link:definitionLink link:presentationLink 995458 - Disclosure - Note J - Revenue From Contracts With Customers (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995459 - Disclosure - Note J - Revenue From Contracts With Customers - Disaggregation of Revenue (Details) link:calculationLink link:definitionLink link:presentationLink 995460 - Disclosure - Note K - Leases (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995461 - Disclosure - Note K - Leases - Lease Cost (Details) link:calculationLink link:definitionLink link:presentationLink 995462 - Disclosure - Note K - Leases - Future Minimum Lease Payments (Details) link:calculationLink link:definitionLink link:presentationLink 995463 - Disclosure - Note M - Debt (Details Textual) link:calculationLink link:definitionLink link:presentationLink 995464 - Disclosure - Note N - Provision for Taxes (Details Textual) link:calculationLink link:definitionLink link:presentationLink