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Income Taxes Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Operating Loss Carryforwards [Line Items]    
Expected tax expense (benefit) $ (15,379) $ (9,892)
Valuation allowance 12,638 5,885
Impact of tax law changes on valuation allowance 0 (1,692)
State income taxes 614 972
GILTI tax 1,579 634
Incentive stock options 595 757
Nondeductible compensation expense for tax purposes 1,684 114
Restructuring costs 1,388 0
Other nondeductible expenses for tax purposes 575 715
Other, net 51 273
Income tax expense (benefit) (9,329) 1,908
Foreign Tax Authority [Member]    
Operating Loss Carryforwards [Line Items]    
Reversal of valuation allowance on foreign operations (14,756) 0
Foreign currency translation loss 742 1,038
Net tax benefits and nondeductible expenses in foreign jurisdictions $ 940 $ 3,104