Fair Value Inputs Level1 [Member] Fair Value, Hierarchy [Axis] Fair Value Inputs Level2 [Member] Fair Value Inputs Level3 [Member] Preferred Securities [Member] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Corporate Bond [Member] Common Stocks & ETFs [Member] Mutual Funds [Member] Note Payable To Fletcher Jones Of Chicago Ltd Llc [Member] Long-term Debt, Type [Axis] Note Payable To Private Bank Ii [Member] Notes Payable To Ford Credit Corp [Member] Notes Payable To Banks [Member] Customer Lists And Other Customer Related Intangibles [Member] Finite-Lived Intangible Assets by Major Class [Axis] Formula [Member] Recipes [Member] Customer Relationships [Member] Trade Names [Member] Lease Acquisitions [Member] Maximum [Member] Range [Axis] Lease Agreements [Member] Minimum [Member] Note Payable To Private Bank One [Member] Note Payable To Private Banks [Member] Buildings And improvements [Member] Property, Plant and Equipment by Type [Axis] Construction In Progress [Member] Land [Member] Machinery And Equipment [Member] Office Equipment [Member] Vehicles [Member] Golden Guernsey [Member] Significant Acquisitions and Disposals by Transaction [Axis] Treasury Stock Equity Components [Axis] Common Stock Paid-In Capital Retained Earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Additional Paid-In Capital acc Starfruit [Member] Counterparty Name [Axis] Common Stock Issued Common Stock Authorized Leasehold improvements [Member] Lifeway Farmer Cheese [Member] Segments [Axis] Drinkable Kefir other than ProBugs [Member] ProBugs [Member] Frozen Kefir [Member] Document And Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Is Entity a Well-known Seasoned Issuer Is Entity a Voluntary Filer Is Entity's Reporting Status Current Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Period Focus Document Fiscal Year Focus Statement of Financial Position [Abstract] ASSETS Current assets Cash and cash equivalents Investments, at fair value Certificates of deposits in financial institutions Inventories Accounts receivable, net of allowance for doubtful accounts and discounts of $2,100,000 and $1,050,000 at June 30, 2015 and December 31, 2014, respectively Prepaid expenses and other current assets Other receivables Deferred income taxes Refundable income taxes Total current assets Property and equipment, net Intangible assets Goodwill Other intangible assets, net Total intangible assets Other Assets Long-term accounts receivable net of current portion Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities Current maturities of notes payable Accounts payable Accrued expenses Accrued income taxes Total current liabilities Notes payable Deferred income taxes Total liabilities Stockholders' equity Common stock, no par value; 40,000,000 shares authorized; 17,273,776 shares issued; 16,346,017 shares outstanding at June 30, 2015 and December 31, 2014 Paid-in-capital Treasury stock, at cost Retained earnings Accumulated other comprehensive loss, net of taxes Total stockholders' equity Total liabilities and stockholders' equity Allowance for doubtful accounts and discounts Common stock, no par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Consolidated Statements Of Income And Comprehensive Income Gross sales Less: discounts and promotional allowances Net sales Cost of goods sold Depreciation expense Total cost of goods sold Gross profit Selling expenses General and administrative Amortization expense Total operating expenses Income from operations Other income (expense): Interest and dividend income Rental income Interest expense (Loss)/Gain on sale of investments, net reclassified from OCI Gain on sale of property and equipment Other income (expense), net Total other income (expense) Income before provision for income taxes Provision for income taxes Net income Basic and diluted earnings per common share Weighted average number of common shares outstanding COMPREHENSIVE INCOME Net income Other comprehensive income (loss), net of tax: Unrealized gains (losses) on investments (net of tax) Less reclassification adjustment for (gains) losses and other than temporary impairments included in net income (net of taxes) Comprehensive income Statement [Table] Statement [Line Items] Beginning Balance, Amount Beginning Balance, Shares Other comprehensive income Net Loss Ending Balance, Amount Ending Balance, Shares Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net income to net cash flows from operating activities: Depreciation and amortization Loss (gain) on sale of investments, net Impairment of investments Deferred income taxes Bad Debt expense Gain on sale of property and equipment (Increase) decrease in operating assets: Accounts receivable Other receivables Inventories Refundable income taxes Prepaid expenses and other current assets Increase (decrease) in operating liabilities: Accounts payable Accrued expenses Accrued income taxes Net cash provided by operating activities Cash flows from investing activities: Purchases of investments Proceeds from sale of investments Redemption of certificates of deposit Investments in certificates of deposit Purchases of property and equipment Proceeds from sale of property and equipment Net cash used in investing activities Cash flows from financing activities: Repayment of notes payable Net cash used in financing activities Net (decrease) increase in cash and cash equivalents Cash and cash equivalents at the beginning of the period Cash and cash equivalents at the end of the period Supplemental cash flow information Cash paid for income taxes Cash paid for interest Notes to Financial Statements Note 1 - Nature Of Business Note 2 - Summary Of Significant Accounting Policies Note 3 - Intangible Assets Note 4 - Investments Note 5 - Inventories Note 6 - Property And Equipment Note 7 - Accrued Expenses Note 8 - Notes Payable Note 9 - Commitments And Contingencies Note 10 - Provision For Income Taxes Note 11 - Fair Value Measurements Note 12 - Litigation Note 13 - Segments And Products Note 14 - Subsequent Event Summary Of Significant Accounting Policies Policy Corrections of prior period financial statements Basis Of Presentation Principles Of Consolidation Use Of Estimates Revenue Recognition Customer Concentration Cash And Cash Equivalents Investments Accounts Receivable Inventories Property And Equipment Intangible Assets Acquired In Business Combinations Income Taxes Treasury Stock Advertising And Promotional Costs Earnings Per Common Share Segments Recent Accounting Pronouncements Summary Of Significant Accounting Policies Tables Schedule Of Property And Equipment, Estimated Useful Lives Schedule Of Intangible Assets Useful Lives Intangible Assets Tables Intangible assets, net Investments Tables Schedule Of Cost And Fair Value Of Available For Sale Investments Schedule Of Gross Unrealized Loss On Investments Inventories Tables Schedule Of Inventories Property And Equipment Tables Schedule Of Property And Equipment Accrued Expenses Tables Schedule Of Accrued Expenses Notes Payable Tables Schedule Of Notes Payable Maturities Of Notes Payable Commitments And Contingencies Tables Schedule Of Annual Minimum Base Rental Payments Fair Value Measurements Tables Schedule Of Fair Value Assets And Liabilities As Classified Segments And Products Tables Summary of sales of products Property, Plant and Equipment, Type [Axis] Property and equipment, useful life Intangible assets, useful lives Summary Of Significant Accounting Policies Details Narrative Percentage of gross sales Total advertising expenses Cost Accumulated Amortization Intangibles, net Major Types of Debt and Equity Securities [Axis] Cost Unrealized Gains Unrealized Losses Fair Value Less Than 12 Months, Fair Value Less Than 12 Months, Unrealized Losses 12 Months or Greater, Fair Value 12 Months or Greater, Unrealized Losses Total, Fair Value Total, Unrealized Losses Investments Details Narrative Proceeds from sale of investments Gross realized gains Gross realized losses Inventory Disclosure [Abstract] Finished goods Production supplies Raw materials Total inventories Property and equipment, gross Less accumulated depreciation Total property and equipment Accrued Expenses Details Accrued payroll and payroll taxes Accrued property tax Other Total accrued expenses Total notes payable Less current maturities Total long-term portion Debt instrument, monthly installments Variable interest rate Maturity date Notes Payable Details 1 2016 2017 2018 2019 2020 Commitments And Contingencies Details 2016 2017 2018 2019 Total Commitments And Contingencies Details Narrative Total expenses on leases Provision For Income Taxes Details Narrative Federal income tax expense computed at the statutory rate, percentage Mutual Funds Common Stocks & ETF’s Preferred Securities Corporate Bonds Net Sales Available For Sale Securitie Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses. Available For Sale Securitie Continuous Unrealized Loss Position Aggregate Losses. Available For Sale Securitie Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses. Available For Sale Securitie Gross Unrealized Gains. Available For Sale Securitie Gross Unrealized Loss. Corporate bonds. Customer Lists And Other Customer Related Intangibles Formula Golden Guernsey [Member] Lease Acquisitions Mutual Funds Note Payable To Fletcher Jones Of Chicago, Ltd LLC Note Payable To Private Bank II [Member] Notes Payable To Ford Credit Corp. Preferred securities. Preferred Securities Recipes Schedule Of Intangible Assets Useful Lives [Table Text Block] Schedule Of Property And Equipment, Estimated Useful Lives Stocks. Treasury Stock Assets, Current Assets Liabilities, Current Deferred Tax Liabilities, Net, Noncurrent Liabilities Treasury Stock, Value Stockholders' Equity Attributable to Parent Liabilities and Equity Sales Discounts, Returns and Allowances, Goods Cost of Goods Sold Gross Profit Operating Expenses Operating Income (Loss) Interest Expense Other Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Shares, Issued Gain (Loss) on Investments Deferred Income Tax Expense (Benefit) GainOnSaleOfEquipment Increase (Decrease) in Accounts Receivable Increase (Decrease) in Other Receivables Increase (Decrease) in Inventories Increase (Decrease) in Income Taxes Receivable Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Income Taxes Payable Net Cash Provided by (Used in) Operating Activities, Continuing Operations Payments to Acquire Investments Payments for (Proceeds from) Short-term Investments Payments to Acquire Restricted Certificates of Deposit Payments to Acquire Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities, Continuing Operations Repayments of Notes Payable Net Cash Provided by (Used in) Financing Activities, Continuing Operations Cash and Cash Equivalents, Period Increase (Decrease) Inventory, Policy [Policy Text Block] TreasuryStockPolicyTextBlock Available-for-sale Securities, Amortized Cost Basis AvailableForSaleSecuritieGrossUnrealizedLoss Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value AvailableForSaleSecuritieContinuousUnrealizedLossPositionAggregateLosses Available-for-sale Securities, Gross Realized Gains (Losses), Sale Proceeds Operating Leases, Future Minimum Payments Due, Next Twelve Months Operating Leases, Future Minimum Payments, Due in Two Years Operating Leases, Future Minimum Payments, Due in Three Years Operating Leases, Future Minimum Payments, Due in Four Years Operating Leases, Future Minimum Payments Due