Accounts and Other Receivables, Gross, Current Accounts and Other Receivables, Gross, Current Accounts and Other Receivables, Gross, Current, Total Accounts payable Trade accounts Accrued Income Taxes, Current Accrued income taxes Less: Accumulated depreciation Additional Paid in Capital, Common Stock Additional paid-in capital Additional Paid-in Capital Adjustment to reconcile net income to net cash provided by operating activities: RECONCILIATION OF NET INCOME TO NET CASH PROVIDED BY OPERATING ACTIVITIES Less: Allowance for doubtful accounts Amendment Flag Assets TOTAL Total current assets Total current assets CURRENT ASSETS Total other assets Total other assets OTHER ASSETS Checks outstanding in excess of bank balances Buildings Cash and cash equivalents CASH AND CASH EQUIVALENTS AT END OF YEAR CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR NET INCREASE IN CASH AND CASH EQUIVALENTS NET INCREASE IN CASH AND CASH EQUIVALENTS Cash surrender value of life insurance COMMITMENTS AND CONTINGENCIES Common Stock Common stock, par value Common stock, Authorized Common stock, issued Common stock - $.66 2/3 par value: Authorized 35,000,000 shares; issued 13,828,793 shares Concentration and Credit Risk Disclosure [Text Block] CONCENTRATIONS OF CREDIT RISK Cost of sales Cost of goods sold Current Fiscal Year End Date LINE OF CREDIT Deferred Income Tax Expense (Benefit) Deferred income taxes Deferred Tax Assets, Net, Current Deferred income taxes Deferred Tax Liabilities, Noncurrent Deferred income taxes Defined Benefit Pension Plan Liabilities, Current Salary continuation plan Defined Benefit Pension Plan, Liabilities, Noncurrent Salary continuation plan Depreciation LONG-TERM INCENTIVE PLANS Cash dividends paid Cash dividends paid Document - Document and Entity Information [Abstract] Document - Document and Entity Information [Abstract] Document Fiscal Period Focus Document Fiscal Year Focus Document Information [Line Items] Document Period End Date Document Type Basic earnings PER SHARE OF COMMON STOCK Diluted earnings NET INCOME PER SHARE Entities [Table] Entity Central Index Key Entity Common Stock, Shares Outstanding Entity Current Reporting Status Entity [Domain] Entity Filer Category Entity Public Float Entity Registrant Name Entity Voluntary Filers Entity Well-known Seasoned Issuer Equity Component [Domain] DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS Gain on sale of property and equipment Gain on sale of property and equipment Gain on sale of assets Gross margin Gross margin Income before income taxes Income before income taxes Income Statement [Abstract] INCOME TAXES Income Taxes Paid Income taxes Income Taxes Receivable, Current Accrued income taxes Provision for income taxes Change in accounts payable Change in accrued income taxes Change in accrued expenses Change in salary continuation plan Change in cash surrender value of insurance Change in inventories Change in inventories Change in other assets - other Change in other assets - other Change in checks outstanding in excess of bank balances Change in prepaid expenses Change in prepaid expenses Change in receivables-net Change in receivables-net Interest Expense Interest expense Interest Paid Interest expense Finished goods Inventory, Net Inventory, Net, Total Inventories: Raw materials Land Legal Entity [Axis] TOTAL TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Total current liabilities Total current liabilities CURRENT LIABILITIES Total long-term liabilities Total long-term liabilities Liabilities, Noncurrent [Abstract] LONG-TERM LIABILITIES Line of credit outstanding Current portion of long-term debt Machinery and equipment Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities CASH FLOWS FROM FINANCING ACTIVITIES Net cash used in investing activities Net cash used in investing activities CASH FLOWS FROM INVESTING ACTIVITIES Net cash provided by operating activities Net cash provided by operating activities CASH FLOWS FROM OPERATING ACTIVITIES Net income Net income Total other (expenses) income Total other (expenses) income Other (expenses) income: Note payable-bank, non-current Notes to Financial Statements [Abstract] Notes to Financial Statements [Abstract] Operating income Operating income Other Accrued Liabilities, Current Other accrued expenses Other Assets, Accrued Expenses and Other Liabilities Disclosure [Text Block] Other Assets, Accrued Expenses and Other Liabilities Disclosure [Text Block] OTHER ACCRUED EXPENSES Other Assets, Noncurrent Other SUPPLEMENTARY STATEMENT OF INCOME INFORMATION Other Liabilities Disclosure [Text Block] LONG-TERM LIABILITIES Other income Other Receivables, Gross, Current Other Purchases of treasury shares Purchases of treasury shares Payments of Dividends Cash dividends paid Purchase of property, plant and equipment Purchase of property, plant and equipment Cash paid to suppliers and employees Cash paid to suppliers and employees EMPLOYEE BENEFIT PLANS Prepaid Expense, Current Prepaid expenses The disclosure describes the Company's prepaid and other current assets. Prepaid Expenses and Other Current Assets Disclosure [Text Block] PREPAID EXPENSES Cash received from customers Interest income Debt proceeds Other operating cash payments/receipts Rental income Proceeds from sale of property, plant and equipment Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Total PROPERTY, PLANT AND EQUIPMENT Receivables, Net, Current Receivables, Net, Current, Total Receivables: Debt repayments Debt repayments Retained Earnings (Accumulated Deficit) Retained earnings Retained Earnings Net sales Scenario, Unspecified [Domain] Selling, general and administrative expenses Selling, General and Administrative Expense [Member] Selling, general and administrative SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Statement, Equity Components [Axis] Statement [Line Items] Statement of Cash Flows [Abstract] Statement of Financial Position [Abstract] Statement of Stockholders' Equity [Abstract] Statement, Scenario [Axis] Statement [Table] Total stockholders' equity Ending Balance Beginning Balance Total stockholders' equity STOCKHOLDERS' EQUITY SUBSEQUENT EVENT Trading Symbol Treasury Shares Treasury shares, shares Treasury shares -at cost (2,094,161 shares in 2011 and 2,082,161 shares in 2010) Treasury shares -at cost (2,094,161 shares in 2011 and 2,082,161 shares in 2010) Treasury shares purchased Treasury shares purchased Vehicles and Machinery, Gross Transportation equipment