Note 11. Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 499	$ 116
State	145	13
Foreign	73	62
Total current	717	191
Deferred:
Federal	(259)	(59)
State	(59)	23
Foreign	(26)	(24)
Total deferred	(344)	(60)
Total expense (benefit) for income taxes	$ 373	$ 131