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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, 2019	Dec. 31, 2018
Incentive Trip Accrual
Convention and meeting costs	$ 5,501	$ 6,540
Foreign Currency Translation
Minimum cumulative inflation rate for considering a country to have a highly inflationary economy (as a percent)	100.00%
Period of cumulative inflation rate for considering a country to have a highly inflationary economy	3 years
Advertising Costs
Advertising costs	$ 1,800	1,900
Research and Development
Research and development expenses	2,100	2,800
CEO Related Transition Costs
Transition expenses		$ 2,400
Accrued transition costs	$ 200

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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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Accrued Transition Costs

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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.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
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-Section 50
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