Income Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Tax Reform [Line Items]
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount	$ 30,000	$ (10,000)	$ 1,578,000
Prepaid Taxes	$ 1,150,000	$ 349,000
U.S. Federal corporate tax rate	21.00%	21.00%	35.00%
Penalties and interest		$ 140,000,000,000	$ 200,000
Foreign Earnings Repatriated	$ 31,000,000.0
Unrecognized deferred tax liability	1,600,000
Uncertain tax position	184,000	184,000	160,000
Additions for tax positions related to the current year	2,000		28,000
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount	$ 0	$ 118,000	$ 1,767,000