Related Party Transactions (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Related Party Transactions (Details) [Line Items]
Sales to the affiliated companies	$ 588,000	$ 334,000	$ 1,644,000	$ 1,366,000
Charges to the affiliated companies for services	161,000	166,000	618,000	646,000
Reimburse business related expenditures	30,000	28,000	93,000	79,000
Receivable due from affiliated companies	625,000		625,000		$ 1,496,000
Chief Executive Officer [Member]
Related Party Transactions (Details) [Line Items]
Amounts paid to entity owned by Company's CEO	15,000		59,000	47,000
Research and development costs	12,000	12,000	36,000	36,000
Charter boat services	3,000		17,000	9,000
The production of television commercials			6,000	2,000
Insurance Broker [Member]
Related Party Transactions (Details) [Line Items]
Insurance premiums paid	$ 816,000	$ 471,000	$ 1,645,000	$ 984,000

Amounts paid to entity owned by Company's CEO.

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Charges to the affiliated companies for services.

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Amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership, due within 1 year (or 1 business cycle).

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Insurance premiums paid.

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The production of television commercials.

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The amount the Company will be reimbursed by the affiliates for business related expenditures in addition to other administrative services.

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Expenditures for planning and executing the conception, pricing, promotion, and distribution of ideas, goods, and services. Costs of public relations and corporate promotions are typically considered to be marketing costs.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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