Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND SIGNIFICANT ACCOUNTING POLICIES (Costs, Foreign Currency Translation, and Revenue) (Details)

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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, 2021
Dec. 31, 2020
Jan. 01, 2020
Incentive Trip Accrual      
Convention and meeting costs $ 6,682 $ 6,375 $ 5,500
Advertising Costs      
Advertising costs 8,200 1,800  
Research and Development      
Research and development expenses $ 1,400 $ 1,500