Mutual Funds [Member] Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis] Preferred Securities [Member] Corporate Bond [Member] Common stocks & ETF's [Member] Customer Lists And Other Customer Related Intangibles [Member] Finite-Lived Intangible Assets by Major Class [Axis] Formula [Member] Lease Acquisitions [Member] Recipes [Member] Customer Relationships [Member] Trade Names [Member] Level 1 [Member] Fair Value, Hierarchy [Axis] Level2 [Member] Level3 [Member] 6.65% secured equipment [Member] Long-term Debt, Type [Axis] Variable rate bank notes due May 31, 2019 [Member] 5.99% secured equipment [Member] Variable rate bank notes due May 31, 2018 [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] Minimum [Member] Range [Axis] Maximum [Member] Lease Agreements [Member] Starfruit [Member] Counterparty Name [Axis] Lifeway Farmer Cheese [Member] Products and Services [Axis] Drinkable Kefir Other Than ProBugs [Member] ProBugs[Member] Frozen Kefir [Member] Common Stock Equity Components [Axis] Paid-In Capital In treasury Retained Earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Leasehold improvements [Member] Customer lists [Member] Customer [Member] Restated [Member] Scenario [Axis] Previously Reported [Member] Adjustments for Error Corrections [Axis] Treasury Stock Additional Paid-In Capital Accumulated Other Comprehensive Income (Loss) Net of Tax 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 Consolidated Balance Sheets 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 & allowances of $1,700 and $1,800 at June 30, 2016 and December 31, 2015 respectively Prepaid expenses and other current assets Deferred income taxes Refundable income taxes Total current assets Property and equipment, net Intangible assets Goodwill & indefinite-lived intangibles 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 shares authorized; 17,274, shares issued; 16,141 and 16,210 shares outstanding at June 30, 2016 and December 31, 2015 respectively Paid-in-capital Treasury stock, at cost Retained earnings Accumulated other comprehensive income (loss), net of taxes Total stockholders' equity Total liabilities and stockholders' equity Consolidated Balance Sheets Parenthetical Allowance for doubtful accounts and discounts & allowances Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Consolidated Statements Of Income And Comprehensive Income 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 expense Loss on sale of investments, net reclassified from OCI Impairment of investments (Loss) / 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 shares outstanding COMPREHENSIVE INCOME Net income Other comprehensive income (loss), net of tax: Unrealized gains (losses) on investments, net of taxes Reclassifications to earnings: Other than temporary impairment of investments, net of taxes Realized (gains) losses on investments, net of taxes Comprehensive income Statement [Table] Statement [Line Items] Beginning Balance, Shares issued Beginning Balance, Treasury stock shares Beginning Balance, Amount Other comprehensive income Treasury stock purchased, Shares Treasury stock purchased, Amount Stock based compensation Ending Balance, Shares issued Ending Balance, Treasury stock shares Ending Balance, Amount Consolidated Statements Of Cash Flows Cash flows from operating activities: Adjustments to reconcile net income to operating cash flow: Depreciation and amortization Loss on sale of investments, net Impairment of investments Deferred income taxes Loss / (Gain) on sale of property and equipment (Increase) decrease in operating assets: Accounts receivable Inventories Refundable income taxes Prepaid expenses and other current assets Increase (decrease) in operating liabilities: Accounts payable Accrued expenses Income taxes payable Net cash (used in) 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 equipment Net cash used in investing activities Cash flows from financing activities: Purchase of treasury stock Repayment of notes payable Net cash used in financing activities Net 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, net of refunds Cash paid for interest Notes to Financial Statements Note 1 - Basis of Presentation Note 2 - 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 - Income taxes Note 11 - Fair Value Measurements Note 12 - Stock-based Compensation Note 13 - Segments, Products and Customers Note 14 - Related Party Transactions Significant Accounting Policies Policy Use Of Estimates Revenue Recognition Advertising And Promotional Costs Recent Accounting Pronouncements Intangible Assets Tables Goodwill & indefinite-lived intangible assets Schedule Of Accumulated Amortization Of Intangible Assets 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 Fair Value Measurements Tables Schedule Of Fair Value Assets And Liabilities As Classified Stock-based Compensation Tables Summary of stock-based compensation expense recognized Following weighted-average assumptions Segments Products And Customers Tables Schedule of sales of products by category Significant Accounting Policies Details Narrative Advertising expenses Intangible Assets Details Goodwill Brand names Goodwill & indefinite lived intangible assets Cost Accumulated Amortization Intangible assets, 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 Gross realized gains Gross realized losses Impairment losses Inventories Details Finished goods Production supplies Raw materials Total inventories Property, Plant and Equipment, Type [Axis] Property and equipment, gross 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 Notes Payable Details Narrative Borrowings interest rate Commitments And Contingencies Details Narrative Total expenses on leases Income Taxes Details Narrative Effective tax rate Income tax benefit Percentage of reduced tax positions Percentage of increased federal income tax purposes Mutual Funds Common Stocks & ETF's Preferred Securities Corporate Bonds Stock-based And Other Compensation Details Number of Options Outstanding, Beginning Granted Exercised Terminated Outstanding, Ending Exercisable, Ending Weighted Average Exercise Price Outstanding, Beginning Granted Exercised Terminated Outstanding, Ending Exercisable, Ending Weighted average remaining contractual life Outstanding, Ending Aggregate intrinsic value Outstanding, Beginning Outstanding, Ending Stock-based And Other Compensation Details 1 Risk free interest rate Expected dividend yield Expected volatility Expected term Stock-based And Other Compensation Details Narrative Tax benefit related to stock based compensation Compensation related to non-vested stock options weighted-average remaining service Cash bonuses Contribution expense Equity-based awards Net sales Segments Products And Customers Details Narrative Gross sales percentage Related Party Transactions Details Narrative Fees paid Royalties 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 sales of products by category. Stocks. Assets, Current Intangible Assets, Current Assets Liabilities, Current Deferred Tax Liabilities, Net, Noncurrent Liabilities Treasury Stock, Value Stockholders' Equity Attributable to Parent Liabilities and Equity Cost of Goods Sold Gross Profit Operating Expenses Operating Income (Loss) Interest Expense Other Expenses Other Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Loss, Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Shares, Issued Treasury Stock, Shares Gain (Loss) on Investments Deferred Income Tax Expense (Benefit) GainOnSaleOfEquipment Increase (Decrease) in Accounts Receivable 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 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 Payments for Repurchase of Convertible Preferred Stock Repayments of Notes Payable Net Cash Provided by (Used in) Financing Activities, Continuing Operations Cash and Cash Equivalents, Period Increase (Decrease) Available-for-sale Securities, Amortized Cost Basis AvailableForSaleSecuritieGrossUnrealizedLoss Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Sales Revenue, Goods, Gross