Restatement of Financial Statements (Impact of Restatement on Consolidated Statement of Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net Loss	$ (2,135)	$ (4,014)
Total Comprehensive Loss	(2,072)	$ (3,856)
Previously Reported [Member]
Net Loss	(3,012)
Total Comprehensive Loss	(2,949)
Adjustment [Member]
Net Loss	877
Total Comprehensive Loss	$ 877