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NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Costs, Foreign Currency Translation, and Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Incentive Trip Accrual
Convention and meeting costs	$ 6,375	$ 5,501
Advertising Costs
Advertising costs	1,800	1,800
Research and Development
Research and development expenses	$ 1,500	$ 2,100

X

- Definition

Carrying value as of the balance sheet date of liabilities incurred through that date and payable for convention and meeting costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle, if longer).

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 35
-Section 50
-Paragraph 1
-Subparagraph (b)
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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
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-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
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