Income Taxes Components of income tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income (loss) from continuing operations before income taxes
United States	$ 6,839	$ 10,159
Canada	24	(65)
Income (loss) from continuing operations before income taxes	6,863	10,094
Current income tax expense (benefit):
U.S. Federal	0	296
U.S. state	165	129
Canada	257	1,209
Total	422	1,634
Deferred income tax expense (benefit):
Deferred Federal Income Tax Expense (Benefit)	721	(17,971)
Deferred State and Local Income Tax Expense (Benefit)	(464)	(3,257)
Deferred Foreign Income Tax Expense (Benefit)	(30)	0
Deferred Income Tax Expense (Benefit)	227	(21,228)
Total income tax expense (benefit):
Federal Income Tax Expense (Benefit), Continuing Operations	721	(17,675)
State and Local Income Tax Expense (Benefit), Continuing Operations	(299)	(3,128)
Foreign Income Tax Expense (Benefit), Continuing Operations	227	1,209
Income Tax Expense (Benefit)	$ 649	$ (19,594)