Represents reserve for note receivable.

No definition available.

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Amount for accounts payable to related parties.

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Portion of the carrying amount as of the balance sheet date of obligations due all related parties that is payable after one year or beyond the normal operating cycle if longer.

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- Definition

Amount of interest expense incurred on a debt or other obligation to related party.

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No definition available.

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Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.

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Amount of transactions with related party during the financial reporting period.

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The cash outflow for the payment of a long-term borrowing made from a related party where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Payments for Advances from Affiliates.

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Number of new stock issued during the period.

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Note 11 - Related Party Transactions (Details Textual) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Jul. 01, 2019	Jan. 01, 2019	Dec. 31, 2018
Due to Related Parties, Noncurrent, Total		$ 1,175,361		$ 1,175,361		$ 1,123,769
Due from Related Parties, Current, Total		0		0		100,000
Series C Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)	170,000
Proceeds from Issuance of Preferred Stock and Preference Stock	$ 1,500,000
Schwan Incorporated [Member]
Related Party Transaction, Amounts of Transaction				31,000	$ 2,700
Accounts Payable, Related Parties		1,700		1,700
John H Schwan [Member] \| Promissory Note [Member]
Due to Related Parties, Noncurrent, Total									$ 997,019	$ 1,600,000
Repayments of Related Party Debt				0			$ 0
Interest Expense, Related Party		17,000	$ 16,000	51,000	$ 48,000
CTI Europe [Member]
Long-term Debt, Gross		0		0		9,000
Board of Directors Chairman [Member]
Due from Related Parties, Current, Total		$ 0		$ 0		100,000		$ 1,300,000
Note Receivable, Reserve						$ 1,277,000
LF International [Member] \| Series C Preferred Stock [Member]
Stock Issued During Period, Shares, New Issues (in shares)	170,000
Proceeds from Issuance of Preferred Stock and Preference Stock	$ 1,500,000