Document and Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Assets [Abstract] Assets Cash and Cash Equivalents, At Carrying Value Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Accounts Receivable, Net Accounts receivable, less allowances of $72,700 in 2012 and $70,300 in 2011 Due From Related Parties, Current Accounts due from employees and distributors Due from Related Parties, Current, Total Inventory, Net [Abstract] Inventories Inventory, Finished Goods Finished goods Inventory, Finished Goods, Total Inventory, Raw Materials Raw materials Inventory, Raw Materials, Total Other Inventory Sales aids and promotional materials Sales aids and promotional materials Inventory, Net Total inventories Total inventories Income Taxes Receivable, Current Refundable income taxes Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Deferred Tax Assets, Net, Current Deferred income taxes Deferred income taxes Deferred Tax Assets, Net, Current, Beginning Balance Deferred Tax Assets, Net, Current, Ending Balance Assets, Current Total current assets Total current assets Other Assets, Noncurrent Other assets Other Assets, Noncurrent, Total Cash Surrender Value Of Life Insurance Cash surrender value of life insurance Notes, Loans and Financing Receivable, Net, Noncurrent Note receivable Finite-Lived Intangible Assets, Net Intangible assets, net Finite-Lived Intangible Assets, Net, Total Property Plant And Equipment Net Abstract Property, plant and equipment: Land and Land Improvements Gross Land and land improvements Carrying amount as on the balance sheet date of land and land improvements. Buildings and Improvements, Gross Building Machinery and Equipment, Gross Machinery & equipment Furniture and Fixtures, Gross Office equipment Computer Equipment And Software Gross Computer equipment & software Carrying amount as on the balance sheet date of computer equipment and software. Property, Plant and Equipment, Gross Property, Plant and Equipment, Gross, Total Property, plant, and equipment gross Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: Accumulated depreciation Less accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Less accumulated depreciation Property, Plant and Equipment, Net Net property, plant and equipment Net property, plant and equipment Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Assets Total assets Total assets Liabilities and Equity [Abstract] Liabilities and stockholders' equity Accounts Payable and Accrued Liabilities, Current [Abstract] Accounts payable and accrued expenses: Accounts Payable And Other Accrued Liabilities Current Trade accounts payable and other accrued expenses Accrued Sales Commission, Current Distributors' commissions payable Sales and Excise Tax Payable, Current Sales taxes payable Employee-Related Liabilities, Current Payroll and payroll taxes payable Accounts Payable And Accrued Liabilities Current Excluding Income Taxes Payable Accounts payable and accrued expenses Total accounts payable and accrued expenses Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits but excluding income taxes payable. Accrued Income Taxes, Current Income taxes payable Long-Term Debt, Current Maturities Current maturities of long-term debt Current maturities of long-term debt Liabilities, Current Total current liabilities Total current liabilities Liabilities, Noncurrent [Abstract] Noncurrent liabilities: Long-Term Debt, Excluding Current Maturities Long-term debt, less current maturities Long-term Debt, Excluding Current Maturities, Total Other Liabilities, Noncurrent Other noncurrent liabilities Other noncurrent liabilities Liabilities, Noncurrent Total noncurrent liabilities Total noncurrent liabilities Stockholders Equity Attributable To Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, par value $.001 per share; 3,000,000 shares authorized; -0- shares issued and outstanding in 2012 and 2011 Preferred Stock, Value, Issued, Total Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Ending Balance Common Stock, Value, Issued Common stock, par value $.001 per share; 30,000,000 authorized; 14,461,435 shares issued and 12,512,505 shares outstanding as of 3/31/2012; 14,425,185 shares issued and 12,484,104 shares outstanding as of 12/31/2011 Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Additional Paid In Capital, Common Stock Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Retained Earnings (Accumulated Deficit) Accumulated deficit Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Accumulated Other Comprehensive Income (Loss), Net Of Tax [Abstract] Accumulated other comprehensive loss: Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net Of Tax Foreign currency translation adjustment Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance Treasury Stock, Value Treasury stock Treasury Stock, Value, Beginning Balance Treasury Stock, Value, Ending Balance Treasury stock Treasury stock Stockholders Equity Attributable To Parent Total stockholders' equity Total stockholders' equity Balance Balance Liabilities and Stockholders Equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Financial Statements Parenthetical [Abstract] Financial Statements Parenthetical [Abstract] Allowance For Doubtful Accounts Receivable, Current Allowance for accounts receivable (in dollars) Preferred Stock, Par Or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par Or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Outstanding Common stock, shares oustanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Income Statement [Abstract] Income Statement [Abstract] Sales Revenue, Goods, Net Product sales Sales Revenue, Goods, Net, Total Shipping and Handling Revenue Handling & freight income Handling & freight income Sales Revenue, Net Net sales Net sales Costs and Expenses [Abstract] Costs and expenses: Cost Of Goods and Services Sold Cost of products sold Cost of Goods and Services Sold, Total Sales Commissions and Fees Distributor royalties and commissions Other Selling, General and Administrative Expense Selling, general and administrative Selling, general, and administrative Costs and Expenses Total costs and expenses Total costs and expenses Operating Income (Loss) Income from operations Income from operations Nonoperating Income (Expense) [Abstract] Other income (expense): Investment Income, Interest Interest income Interest Expense Interest expense Interest Expense, Total Interest expense Other Nonoperating Income Expense Other expense Other income Income (Loss) From Continuing Operations Before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects Of Changes In Accounting Principles, Noncontrolling Interest Income before income taxes Income before income taxes Income Tax Expense (Benefit) Provision for income taxes Provision for income taxes Net Income (Loss) Attributable To Parent Net income Net income Net income Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net Of Tax, Portion Attributable To Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net Of Tax, Portion Attributable To Parent Foreign currency translation adjustment Comprehensive Income (Loss), Net Of Tax, Attributable To Parent Comprehensive income Earnings Per Share, Basic Earnings per common share - Basic (in dollars per share) Weighted Average Number Of Shares Outstanding, Basic Weighted average shares (in shares) Weighted average shares Earnings Per Share, Diluted Earnings per common share - Diluted (in dollars per share) Earnings per common share - Diluted Weighted Average Number Of Shares Outstanding, Diluted Weighted average shares (in shares) Weighted average shares Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided By (Used In) Operating Activities [Abstract] Operating activities: Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Depreciation, Depletion and Amortization, Total Share-Based Compensation Stock-based compensation Share-based Compensation, Total Deferred Income Tax Expense (Benefit) Deferred income taxes Deferred Income Tax Expense (Benefit), Total Foreign Currency Transaction Gain (Loss), Unrealized Foreign currency transaction (gain)/loss Foreign currency transaction (gain)/loss Increase (Decrease) In Accounts Receivable (Increase) decrease in accounts receivable (Increase) decrease in accounts receivable Increase (Decrease) In Inventories (Increase) decrease in inventories Increase (Decrease) in Inventories, Total (Increase) decrease in inventories Increase (Decrease) In Income Taxes Receivable (Increase) decrease in refundable income taxes (Increase) decrease in refundable income taxes Increase (Decrease) In Prepaid, Deferred Expense and Other Assets (Increase) decrease in prepaid expenses and other current assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets, Total (Increase) decrease in prepaid expenses and other current assets Increase (Decrease) In Other Operating Assets (Increase) decrease in other assets (Increase) decrease in other assets Increase (Decrease) In Income Taxes Payable Increase (decrease) in income taxes payable Increase (Decrease) In Operating Liabilities Increase (decrease) in accounts payable & accrued expenses and other noncurrent liabilities Increase (decrease) in accounts payable & accrued expenses and other noncurrent liabilities Net Cash Provided By (Used In) Operating Activities Net cash provided by operating activities Net cash provided by operating activities Net Cash Provided By (Used In) Investing Activities [Abstract] Investing activities: Payments To Acquire Property, Plant, and Equipment Purchase of property, plant, and equipment Payments to Acquire Property, Plant, and Equipment, Total Purchase of property, plant and equipment Payments To Acquire Mortgage Notes Receivable Purchase of note and mortgage secured by underlying property Purchase of note and mortgage secured by underlying property Payments To Acquire Life Insurance Policies Payment of life insurance premiums Payment of life insurance premiums Payment of life insurance premiums Net Cash Provided By (Used In) Investing Activities Net cash used in investing activities Net cash used in investing activities Net cash used in investing activities Net Cash Provided By (Used In) Financing Activities [Abstract] Financing activities: Repayments Of Long-Term Debt Principal payments on long-term borrowings Principal payments on long-term borrowings Principal payments on long-term borrowings Payments For Repurchase Of Common Stock Purchase of stock for treasury Purchase of stock for treasury Purchase of stock for treasury Net Cash Provided By (Used In) Financing Activities Net cash used in financing activities Net cash used in financing activities Net cash used in financing activities Effect Of Exchange Rate On Cash and Cash Equivalents Effect of exchange rate changes on cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Increase (decrease) in cash and cash equivalents Accounting Policies [Abstract] Accounting Policies [Abstract] Significant Accounting Policies [Text Block] Significant Accounting Policies [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Receivables [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Common Stock, Dividends, Per Share, Declared Cash dividends declared per common share (in dollars per share)