Note 2 - Assets Held For Sale (Details Textual) - USD ($)	Jan. 01, 2019	Jan. 01, 2020
Nutracom, LLC [Member] \| Minimum [Member] \| Scenario, Forecast [Member]
Percentage of Annual Revenues of Non-related Parties from Equity Interest		1.00%
Nutracom, LLC [Member] \| Maximum [Member] \| Scenario, Forecast [Member]
Percentage of Annual Revenues of Non-related Parties from Equity Interest		1.25%
Subsequent Event [Member] \| Nutracom, LLC [Member]
Supply Commitment, Term	7 years
Lessor, Operating Lease, Term of Contract	7 years
Lessor, Operating Lease, Renewal Term	5 years
Shares Transferred From Related Parties	99,200
Shares Transferred From Related Parties, Value	$ 540,144
Equity Interest Issued from Related Parties as Consideration	15.00%
Equity Interest Issued from Related Parties as Consideration, Value	$ 505,000
Subsequent Event [Member] \| Nutracom, LLC [Member] \| Secured Promissory Note [Member]
Notes Receivable, Related Parties, Noncurrent	$ 1,000,000
Notes Receivable, Related Parties, Term	7 years
Notes Receivable, Related Parties, Interest Rate	5.50%
Subsequent Event [Member] \| Nutracom, LLC [Member] \| Unsecured Promissory Note [Member]
Notes Receivable, Related Parties, Noncurrent	$ 764,344
Notes Receivable, Related Parties, Term	7 years
Notes Receivable, Related Parties, Interest Rate	7.00%
Notes Receivable, Interest Only Period	2 years
Notes Receivable, Related Parties, Amortization Period	10 years
Subsequent Event [Member] \| Nutracom, LLC [Member] \| Minimum [Member]
Operating Lease, Lease Income, Lease Payments	$ 193,000
Subsequent Event [Member] \| Nutracom, LLC [Member] \| Maximum [Member]
Operating Lease, Lease Income, Lease Payments	410,000
Subsequent Event [Member] \| Machinery and Other Equipment Sold to Nutracom [Member]
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal	435,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| Subsequent Event [Member] \| Inventories Sold to Nutracom [Member]
Disposal Group, Including Discontinued Operation, Consideration	1,560,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] \| Subsequent Event [Member] \| Machinery and Other Equipment Sold to Nutracom [Member]
Disposal Group, Including Discontinued Operation, Consideration	1,000,000
Disposal Group, Including Discontinued Operation, Property, Plant and Equipment, Current	$ 565,000

The equity interest issued from related parties as consideration for sale of assets.

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The value of the equity interest issued from the related parties as consideration for the sale of assets.

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Represents the period in which interest only payments are required on the notes receivable.

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The amortization period on notes receivables due from related parties.

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The contractual interest rate on the notes receivable due from related parties.

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The period of time between issuance of and maturity of notes receivable, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The percentage of annual revenues from non-related parties entitled to the Company by the equity interest in said company.

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The number of shares of company common stock transferred in from related parties as consideration for the sale of assets.

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The term for a product supply commitment.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of within one year or the normal operating cycle, if longer.

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Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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Term of lessor's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of operating lease income from lease payments paid and payable to lessor. Excludes variable lease payments not included in measurement of lease receivable.

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