Equity Components [Axis] Common Stock [Member] Capital in Excess of Par Value [Member] Retained Earnings [Member] Accumulated Other Comprehensive Loss [Member] Type of Arrangement and Non-arrangement Transactions [Axis] Master Collateral Loan and Security Agreement [Member] Range [Axis] Maximum [Member] CARES Act [Member] Lender Name [Axis] Wells Fargo Bank N.A [Member] Credit Facility [Axis] Equipment Loan No. 01 [Member] Equipment Loan No. 02 [Member] Equipment Loan No. 03 [Member] Equipment Loan No. 04 [Member] Equipment Loan No. 05 [Member] Property, Plant and Equipment, Type [Axis] Hogshed Ventures, LLC [Member] Concentration Risk Benchmark [Axis] Accounts Receivable [Member] Sales Revenue, Net [Member] Legal Entity [Axis] CRG Acquisition, LLC [Member] Purchase and Sale Agreement [Member] Purchase Agreement [Member] Revolving Credit Facility [Member] Variable Rate [Axis] LIBOR [Member] Antidilutive Securities [Axis] Stock Option [Member] Warrant [Member] Convertible Securities [Member] Customer [Axis] Wal-Mart [Member] Dollar General [Member] Segments [Axis] Frozen Food Products [Member] Snack Food Products [Member] Other [Member] Product and Service [Axis] Retail [Member] Foodservice [Member] Income Tax Authority [Axis] Federal [Member] State [Member] Prime Rate [Member] Subsequent Event Type [Axis] Subsequent Event [Member] Cover [Abstract] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Flag Entity Emerging Growth Company Entity Shell Company 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 Restricted cash Accounts receivable, less allowance for doubtful accounts of $107 and $16, respectively, and promotional allowances of $4,342 and $2,550, respectively Inventories, net Refundable income taxes Prepaid expenses and other current assets Total current assets Property, plant and equipment, net of accumulated depreciation and amortization of $61,210 and $58,686, respectively Other non-current assets Total assets LIABILITIES AND SHAREHOLDERS' EQUITY Current liabilities: Accounts payable Accrued payroll, advertising, and other expenses Income taxes payable Current notes payable - equipment Other current liabilities Total current liabilities Long-term notes payable - equipment Other non-current liabilities Total liabilities Contingencies and commitments (Note 3) Shareholders' equity: Preferred stock, without par value; authorized - 1,000,000 shares; issued and outstanding - none Common stock, $1.00 par value; authorized - 20,000,000 shares; issued and outstanding - 9,076,832 and 9,076,832 shares, respectively Capital in excess of par value Retained earnings Accumulated other comprehensive loss Total shareholders' equity Total liabilities and shareholders' equity Accounts receivable, allowance for doubtful accounts Accounts receivable, allowance for promotional allowances Property, plant and equipment, accumulated depreciation Preferred stock, par value Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding Common stock, par value Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Income Statement [Abstract] Net sales Cost of products sold Gross margin Selling, general and administrative expenses Gain on sale of property, plant, and equipment Operating (loss) income Other income (expense) Interest expense Cash surrender value gain (loss) Total other income (expense) Income (loss) before taxes Benefit on income taxes Net (loss) income Basic (loss) earnings per share Shares used to compute basic earnings per share Statement [Table] Statement [Line Items] Balance Balance, shares Net (loss) income Balance Balance, shares Statement of Cash Flows [Abstract] Cash flows from operating activities: Adjustments to reconcile net (loss) income to net cash provided by (used in) operating activities: Depreciation and amortization Provision for losses on accounts receivable Increase in promotional allowances Changes in operating assets and liabilities: Accounts receivable Inventories Prepaid expenses and other current assets Refundable income taxes Other non-current assets Accounts payable Accrued payroll, advertising, and other expenses Current portion of non-current liabilities Non-current liabilities Net cash provided by (used in) operating activities Cash flows from investing activities: Proceeds from sale of property, plant, and equipment Additions to property, plant, and equipment Net cash used in investing activities Cash flows from financing activities: Payment of lease and right of use obligations Proceeds from bank borrowings Repayments of bank borrowings Net cash (used in) provided by financing activities Net (decrease) increase in cash and cash equivalents and restricted cash Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash at end of period Supplemental disclosure of cash flow information: Cash paid for income taxes Cash paid for interest Accounting Policies [Abstract] Summary of Significant Accounting Policies Inventory Disclosure [Abstract] Inventories Commitments and Contingencies Disclosure [Abstract] Contingencies and Commitments Segment Reporting [Abstract] Segment Information Income Tax Disclosure [Abstract] Income Taxes Debt Disclosure [Abstract] Equipment Notes Payable and Financial Arrangements Comprehensive Income or Loss Customer Concentration Revenue Recognition Leases Financial Statement Reclassification Subsequent Events (Loss) Earnings Per Share Schedule of Customer Concentration Schedule of Inventories Schedule of Future Minimum Lease Payments Schedule of Segment Reporting Information, by Segment Schedule of Disaggregates Our Sales to Customers Schedule of Borrowing Loan Schedule of Long Term Notes Payable Series [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Concentration risk, percentage Lease term Area of land Purchase price Non-refundable earnest money Escrow account deposit Line of credit, additional borrowing capacity Unused commitment fee percentage Line of credit expiration date Line of credit facility, maximum borrowing capacity Debt instrument, basis spread on variable rate Proceeds from line of credit Line of credit Weighted average number of shares outstanding Meat, ingredients, and supplies Work in progress Finished goods Inventories, net Long-Lived Tangible Asset [Axis] Lease right of use asset Lease liability Operating lease description Lease termination description Incremental interest rate 2021 2022 2023 2024 2025 Later Years Total Minimum Lease Payments Less: Amount representing executory costs Less: Amount representing interest Present value of future minimum lease payments Capital lease obligation, current Capital lease obligations, noncurrent Right-of-use assets, current Right-of-use assets, non current Number of reportable operating segments Sales Gross margin SG&A Loss (gain) on sale of property, plant, and equipment Operating (loss) income Total assets Additions to PP&E Direct store delivery Direct customer warehouse Total Snack Food Products Distributors Total Frozen Food Products Totals Income tax rate reconciliation description Operating loss carry forwards Federal income tax rate Effective tax rate percentage Statistical Measurement [Axis] Line of credit, expired date Line of credit, maximum borrowing amount Variable rate Line of credit, description Unused commitment fee Equipment financing amount Date Funds Received Rate Original Principal Amount Monthly Principal Payment Amount Maturity Date Loan term Number of installment Secured equipment notes payable to Wells Fargo Bank, N.A. collateralized by equipment for the new Chicago processing facility. Less current portion of notes payable Total long-term notes payable - equipment A provision (charged as a reduction of revenue) to relate the costs of certain customer discounts and rewards for the associated revenue. Accruals for trade and sales promotions are recorded primarily at the time a product is sold to the customer based on expected levels of performance. Settlement of these liabilitites typically occur in subsequent periods. CARES Act [Member] CRG Acquisition, LLC [Member] Capital in Excess of Par Value [Member] Number of Installment. Direct customer warehouse. Direct store delivery. Distributors. Dollar General [Member] Equipment Loan No. 05 [Member] Equipment Loan No. 04 [Member] Equipment Loan No. 01 [Member] Equipment Loan No. 03 [Member] Equipment Loan No. 02 [Member] Federal [Member] Amount representing executory costs,inance lease. Right-of-use assets current. Right-of-use assets, non current. Foodservice [Member] Frozen Food Products [Member] Cash surrender value gain. Hogshed Ventures, LLC. Incremental interest rate. Line of credit facility, date funds received. Master Collateral Loan and Security Agreement [Member] Purchase Agreement [Member] Purchase and Sale Agreement [Member] Schedule of loan borrowed [Table Text Block]. Snack Food Products [Member] State [Member] Total Frozen Food Products. Total Snack Food Products. Wal-Mart [Member] Wells Fargo Bank N.A [Member] Increase in promotional allowances. Assets, Current Liabilities, Current Liabilities Stockholders' Equity Attributable to Parent Liabilities and Equity Gain (Loss) on Disposition of Property Plant Equipment Interest Expense Nonoperating Income (Expense) Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Shares, Outstanding Increase (Decrease) in Accounts Receivable Increase (Decrease) in Inventories Increase (Decrease) in Prepaid Expense and Other Assets Increase (Decrease) in Income Taxes Receivable Increase (Decrease) in Other Noncurrent Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Accrued Liabilities Net Cash Provided by (Used in) Operating Activities Payments to Acquire Property, Plant, and Equipment Net Cash Provided by (Used in) Investing Activities Repayments of Debt and Lease Obligation Repayments of Bank Debt Net Cash Provided by (Used in) Financing Activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Finance Lease, Liability, Payment, Due Frozen Food Products [Member] [Default Label] Finance Lease, Liability, Undiscounted Excess Amount