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INCOME TAXES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income before income taxes    
Domestic $ (3,361) $ 1,206
Foreign 9,229 5,933
Income before taxes 5,868 7,139
Current:    
Federal (1,368) (327)
State 564 603
Foreign 3,088 2,431
Total current provision 2,284 2,707
Deferred:    
Federal 365 (123)
State (68) (140)
Foreign 532 1,354
Total deferred benefit 829 1,091
Income tax provision $ 3,113 $ 3,798
U.S. federal statutory income tax rate (as a percent) 21.00% 21.00%
Differences between the effective tax rates reflected in the total provision for income taxes and the U.S. federal statutory rate    
Tax provision computed at 21% $ 1,232 $ 1,499
Nondeductible expenses 718 521
State income taxes, net of federal benefit 400 327
Tax impact of foreign operations 339 1,347
Valuation allowances increase (release) 517 (141)
Net increase (decrease) of uncertain tax positions (34) (34)
Other (59) 279
Income tax provision $ 3,113 $ 3,798
Effective income tax rates (as a percent) 53.10% 53.20%
Noncurrent deferred tax asset    
Compensation related expenses $ 2,081 $ 2,279
Foreign currency translation 1,697 2,458
U.S. foreign tax credit carryovers 1,194 879
Foreign net operating loss carryovers 4,943 5,563
Accruals and reserves 1,026 1,404
Operating lease right-of-use assets 1,396 2,034
Other 405 224
Valuation allowance for deferred tax assets (3,707) (3,989)
Total noncurrent deferred tax asset 9,035 10,852
Noncurrent deferred tax liability    
Depreciable assets (699) (510)
Prepaids (428) (514)
Intangible assets (911) (1,177)
Investment in foreign subsidiaries (3,664) (3,323)
Foreign earnings distribution taxes (851) (1,741)
Foreign intangibles and reserves (2,888) (1,754)
Operating lease liabilities (1,160) (1,716)
Total noncurrent deferred tax liability (10,601) (10,735)
Net deferred tax asset   117
Net deferred tax liability (1,566)  
Reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period    
Balance, beginning of year 1,534 1,475
Additions as a result of tax positions taken during the current period 69 90
Reductions as a result of tax positions taken during a prior period (34)  
Reductions as a result of lapse of statute   (31)
Balance, end of year 1,569 $ 1,534
Income tax expense recognized of interest and penalties related to uncertain tax positions 900  
Unrecognized tax benefits that would impact the company's effective tax rate 1,600  
Foreign    
Noncurrent deferred tax liability    
Net operating loss (NOL) carryforwards 14,300  
Federal    
Noncurrent deferred tax liability    
Tax credit carryforward $ 1,200