Income Taxes Components of income tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income (loss) from continuing operations before income taxes
United States	$ 5,418	$ 6,839
Canada	4,256	24
Income (loss) from continuing operations before income taxes	9,674	6,863
Current income tax expense (benefit):
U.S. state	136	165
Canada	291	257
Total	427	422
Deferred income tax expense (benefit):
Deferred Federal Income Tax Expense (Benefit)	2,012	721
Deferred State and Local Income Tax Expense (Benefit)	303	(464)
Deferred Foreign Income Tax Expense (Benefit)	(289)	(30)
Deferred Income Tax Expense (Benefit)	2,026	227
Total income tax expense (benefit):
Federal Income Tax Expense (Benefit), Continuing Operations	2,012	721
State and Local Income Tax Expense (Benefit), Continuing Operations	439	(299)
Foreign Income Tax Expense (Benefit), Continuing Operations	2	227
Income Tax Expense (Benefit)	$ 2,453	$ 649