XML 98 R83.htm IDEA: XBRL DOCUMENT v3.19.1
Income Taxes - Narrative (Details) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Taxes [Line Items]      
Valuation allowance $ 17,261,000 $ 8,802,000  
Increase in valuation allowance 8,500,000 200,000  
Unrecognized tax benefits including interest and penalties 4,600,000 5,600,000  
Interest and penalties 500,000 500,000 $ 300,000
Unrecognized tax benefits that would impact effective tax rate 4,300,000 5,300,000 $ 3,600,000
Decrease in unrecognized tax benefits is reasonably possible in next 12 months 700,000    
Transition tax liability $ 1,200,000 2,200,000  
Remaining payment period for transition tax liability 7 years    
Federal income tax rate 21.00%    
Provisional amount recorded upon remeasurement of deferred tax assets and liabilities   2,300,000  
Adjustment to provisional amount recorded upon remeasurement of deferred tax assets and liabilities $ 300,000    
GILTI deferred amounts   $ 0  
Deferred tax liability related to state tax liabilities on future distributions 1,200,000    
Federal      
Income Taxes [Line Items]      
Valuation allowance 6,000,000    
State      
Income Taxes [Line Items]      
Net operating losses 16,800,000    
Valuation allowance 1,500,000    
Foreign      
Income Taxes [Line Items]      
Net operating losses 5,600,000    
Valuation allowance 400,000    
Research & Experimentation | Federal      
Income Taxes [Line Items]      
Income tax credit carryforwards 500,000    
Research & Experimentation | State      
Income Taxes [Line Items]      
Income tax credit carryforwards $ 9,400,000