000 - Document - Document And Entity Information
link:calculationLink
link:definitionLink
link:presentationLink
001 - Statement - Consolidated Balance Sheet
link:calculationLink
link:definitionLink
link:presentationLink
002 - Statement - Consolidated Balance Sheet (Parentheticals)
link:calculationLink
link:definitionLink
link:presentationLink
003 - Statement - Consolidated Statement of Income
link:calculationLink
link:definitionLink
link:presentationLink
004 - Statement - Consolidated Statement of Stockholders' Equity
link:calculationLink
link:definitionLink
link:presentationLink
005 - Statement - Consolidated Statement of Cash Flows
link:calculationLink
link:definitionLink
link:presentationLink
006 - Disclosure - Note 1 - Nature of Operations
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 - Notes Receivable
link:calculationLink
link:definitionLink
link:presentationLink
009 - Disclosure - Note 4 - Convertible Notes Payable
link:calculationLink
link:definitionLink
link:presentationLink
010 - Disclosure - Note 5 - Short-term Financing
link:calculationLink
link:definitionLink
link:presentationLink
011 - Disclosure - Note 6 - Leases
link:calculationLink
link:definitionLink
link:presentationLink
012 - Disclosure - Note 7 - Stock Options
link:calculationLink
link:definitionLink
link:presentationLink
013 - Disclosure - Note 8 - Capital Stock, Treasury Stock, and Contributed Capital
link:calculationLink
link:definitionLink
link:presentationLink
014 - Disclosure - Note 9 - Income Taxes
link:calculationLink
link:definitionLink
link:presentationLink
015 - Disclosure - Note 10 - Earnings per Common Share
link:calculationLink
link:definitionLink
link:presentationLink
016 - Disclosure - Note 11 - Employee Benefit Plans
link:calculationLink
link:definitionLink
link:presentationLink
017 - Disclosure - Note 12 - Segment and Related Information
link:calculationLink
link:definitionLink
link:presentationLink
018 - Disclosure - Note 13 - Commitments and Contingencies
link:calculationLink
link:definitionLink
link:presentationLink
019 - Disclosure - Note 14 - Subsequent Events
link:calculationLink
link:definitionLink
link:presentationLink
020 - Disclosure - Note 15 - Business Condition and Management Plan
link:calculationLink
link:definitionLink
link:presentationLink
021 - Disclosure - Note 16 - Quarterly Data (Unaudited)
link:calculationLink
link:definitionLink
link:presentationLink
022 - Document - Schedule II - Valuation and Qualifying Accounts
link:calculationLink
link:definitionLink
link:presentationLink
023 - Disclosure - Significant Accounting Policies (Policies)
link:calculationLink
link:definitionLink
link:presentationLink
024 - Disclosure - Note 1 - Nature of Operations (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
025 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
026 - Disclosure - Note 5 - Short-term Financing (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
027 - Disclosure - Note 6 - Leases (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
028 - Disclosure - Note 7 - Stock Options (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
029 - Disclosure - Note 9 - Income Taxes (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
030 - Disclosure - Note 10 - Earnings per Common Share (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
031 - Disclosure - Note 12 - Segment and Related Information (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
032 - Disclosure - Note 16 - Quarterly Data (Unaudited) (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
033 - Disclosure - Schedule II - Valuation and Qualifying Accounts (Tables)
link:calculationLink
link:definitionLink
link:presentationLink
034 - Statement - Note 1 - Summary of Company's Product Classes (Details)
link:calculationLink
link:definitionLink
link:presentationLink
035 - Disclosure - Note 2 - Summary of Significant Accounting Policies (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
036 - Statement - Note 2 - Inventories Summary (Details)
link:calculationLink
link:definitionLink
link:presentationLink
037 - Statement - Note 2 - Property, Plant and Equipment Useful Lives (Details)
link:calculationLink
link:definitionLink
link:presentationLink
038 - Disclosure - Note 3 - Notes Receivable (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
039 - Disclosure - Note 4 - Convertible Notes Payable (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
040 - Disclosure - Note 5 - Short-term Financing (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
041 - Statement - Note 5 - Summary of Short-term Borrowings (Details)
link:calculationLink
link:definitionLink
link:presentationLink
042 - Disclosure - Note 6 - Leases (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
043 - Statement - Note 6 - The Company's Minimum Commitment Under Operating leases (Details)
link:calculationLink
link:definitionLink
link:presentationLink
044 - Disclosure - Note 7 - Stock Options (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
045 - Statement - Note 7 - Transactions Involving the Directors Plans (Details)
link:calculationLink
link:definitionLink
link:presentationLink
046 - Statement - Note 7 - Summary of Expired Director Plans (Details)
link:calculationLink
link:definitionLink
link:presentationLink
047 - Disclosure - Note 8 - Capital Stock, Treasury Stock, and Contributed Capital (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
048 - Disclosure - Note 9 - Income Taxes (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
049 - Statement - Note 9 - Income Tax Reconciliation (Details)
link:calculationLink
link:definitionLink
link:presentationLink
050 - Statement - Note 9 - Deferred Tax Assets (Liabilities) (Details)
link:calculationLink
link:definitionLink
link:presentationLink
051 - Disclosure - Note 10 - Earnings per Common Share (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
052 - Statement - Note 10 - Summary of Earnings Per Share Calculation (Details)
link:calculationLink
link:definitionLink
link:presentationLink
053 - Disclosure - Note 11 - Employee Benefit Plans (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
054 - Disclosure - Note 12 - Segment and Related Information (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
055 - Statement - Note 12 - Information by Industry Segment (Details)
link:calculationLink
link:definitionLink
link:presentationLink
056 - Statement - Note 12 - Asset Information (Details)
link:calculationLink
link:definitionLink
link:presentationLink
057 - Disclosure - Note 14 - Subsequent Events (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
058 - Disclosure - Note 15 - Business Condition and Management Plan (Details Textual)
link:calculationLink
link:definitionLink
link:presentationLink
059 - Statement - Note 16 - Summary of Quarterly Data (Unaudited) (Details)
link:calculationLink
link:definitionLink
link:presentationLink
060 - Statement - Schedule II - Summary of Valuation and Qualifying Accounts (Details)
link:calculationLink
link:definitionLink
link:presentationLink