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INCOME TAXES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Income before income taxes    
Domestic $ 9,984 $ (3,361)
Foreign 13,127 9,229
Income before taxes 23,111 5,868
Current:    
Federal 2,194 (1,368)
State 617 564
Foreign 4,830 3,088
Total current provision 7,641 2,284
Deferred:    
Federal (786) 365
State 38 (68)
Foreign 689 532
Total deferred (benefit) expense (59) 829
Income tax provision $ 7,582 $ 3,113
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% $ 4,853 $ 1,232
Nondeductible expenses 91 718
State income taxes, net of federal benefit 624 400
Tax impact of foreign operations 2,045 339
Valuation allowances increase (release) 52 517
Net decrease of uncertain tax positions (31) (34)
Other (52) (59)
Income tax provision $ 7,582 $ 3,113
Effective income tax rates (as a percent) 32.80% 53.10%
Noncurrent deferred tax asset    
Compensation related expenses $ 1,242 $ 2,081
Foreign currency translation 2,422 1,697
U.S. foreign tax credit carryovers 1,903 1,194
Foreign net operating loss carryovers 2,208 4,943
Accruals and reserves 990 1,026
Operating lease right-of-use assets 1,651 1,396
Other 466 405
Valuation allowance for deferred tax assets (3,315) (3,707)
Total noncurrent deferred tax asset 7,567 9,035
Noncurrent deferred tax liability    
Depreciable assets (468) (699)
Prepaids (392) (428)
Intangible assets (787) (911)
Investment in foreign subsidiaries (2,157) (3,664)
Foreign earnings distribution taxes (1,038) (851)
Foreign intangibles and reserves (1,884) (2,888)
Operating lease liabilities (1,468) (1,160)
Total noncurrent deferred tax liability (8,194) (10,601)
Net deferred tax liability (627) (1,566)
Reconciliation of the total amounts of unrecognized tax benefits at the beginning and end of the period    
Balance, beginning of year 1,569 1,534
Additions as a result of tax positions taken during the current period 101 69
Reductions as a result of tax positions taken during a prior period (31) (34)
Balance, end of year 1,639 $ 1,569
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 11,200  
Federal    
Noncurrent deferred tax liability    
Tax credit carryforward $ 1,900