Annual report pursuant to Section 13 and 15(d)

INCOME TAXES (Narrative) (Details)

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INCOME TAXES (Narrative) (Details) - USD ($)
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Anticipated change in unrecognized tax benefits    
U.S. tax impact of foreign operations 12.30% 102.50%
Deferred tax assets, valuation allowance $ 21,388,000 $ 20,256,000
Increase (decrease) in valuation allowance, deferred tax asset 1,100,000  
Foreign tax and withholding credits 14,640,000 13,300,000
Net operating losses 7,139,000 7,730,000
Unrecognized tax benefits that would impact effective tax rate 1,500,000 2,200,000
Unrecognized tax benefits, income tax penalties and interest accrued 100,000 200,000
Unrecognized tax benefits, income tax penalties and interest expense period increase (decrease) (33,000) (200,000)
Unrecognized tax benefits, increase in period 200,000 200,000
Unrecognized tax benefits, income tax penalties and interest expense 100,000 100,000
Income tax benefit resulting from lapse of applicable statute of limitations 800,000 $ 2,100,000
Commissions and transfer pricing | Minimum    
Anticipated change in unrecognized tax benefits    
Increase in unrecognized tax benefits within the next twelve months 0  
Commissions and transfer pricing | Maximum    
Anticipated change in unrecognized tax benefits    
Increase in unrecognized tax benefits within the next twelve months 100,000  
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Minimum    
Anticipated change in unrecognized tax benefits    
Decrease in unrecognized tax benefits within the next twelve months 0  
Audits or the expiration of statutes of limitations in various foreign jurisdictions | Maximum    
Anticipated change in unrecognized tax benefits    
Decrease in unrecognized tax benefits within the next twelve months 1,300,000  
Domestic Tax Authority    
Anticipated change in unrecognized tax benefits    
Increase (decrease) in valuation allowance, deferred tax asset 1,300,000  
Foreign Tax Authority    
Anticipated change in unrecognized tax benefits    
Increase (decrease) in valuation allowance, deferred tax asset (200,000)  
Foreign tax and withholding credits $ 14,300,000