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Deferred Tax Assets, Operating Loss Carryforwards Expiring In Years 2023 Through 2028

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Deferred Tax Assets, Operating Loss Carryforwards Expiring In Years 2030 Through 2038

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Effective Income Tax Rate Reconciliation, Valuation Allowance Release, Amount

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Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit)

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
Income Taxes - Narrative (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Operating Loss Carryforwards [Line Items]
Tax Cuts and Jobs Act, GILTI, tax expense (benefit)	$ 100,000
Increase (decrease) in valuation allowance	6,018,000	$ 18,452,000	$ 28,466,000
Tax Cuts and Jobs Act of 2017, incomplete accounting, provisional income tax benefit	1,000,000.0
Tax benefit from remeasurement of deferred income taxes, tax legislation	(240,000)	17,312,000	0
U.S. valuation allowance release	0	15,388,000	0
Warrants	0	168,000	(1,722,000)
Goodwill impairment	0	0	21,831,000
Foreign jurisdictions operating loss carryforwards	12,500,000
U.S. Federal operating loss carryforwards	53,200,000
Net deferred tax liabilities	22,900,000	22,932,000
Effect of foreign items	834,000	2,101,000	(788,000)
State and local operating loss carryforwards	7,600,000
Operating loss carryforwards subject to expiration in years 2019 through 2022	0
Operating loss carryforwards subject to expiration in years 2023 through 2028	2,500,000
Operating loss carryforwards subject to expiration in years 2029 through 2038	9,100,000
Operating loss carryforwards with indefinite expiration	2,900,000
Additions to tax positions of the prior years	0	2,884,000	0
Unrecognized tax benefits that would impact effective tax rate	1,900,000	2,900,000
Decrease in unrecognized tax benefits	200,000	200,000
Unrecognized tax benefits	1,879,000	2,884,000	$ 0	$ 0
Loss and credit carryforwards	14,535,000	10,932,000
Income tax penalties and interest expense	200,000
Income tax penalties and interest accrued	600,000	500,000
U.S. tax authority
Operating Loss Carryforwards [Line Items]
Increase (decrease) in valuation allowance	2,800,000
Accounting Standards Update 2013-11
Operating Loss Carryforwards [Line Items]
Loss and credit carryforwards	900,000	$ 1,100,000
Research tax credit carryforward
Operating Loss Carryforwards [Line Items]
Tax credits for research and development expenditures	300,000
Japan, Netherlands, and Turkey
Operating Loss Carryforwards [Line Items]
Increase (decrease) in valuation allowance	2,200,000
Indefinite Lived Foreign Intangible Deferred Tax Assets
Operating Loss Carryforwards [Line Items]
Increase (decrease) in valuation allowance	$ (1,700,000)