Note 12. Income Taxes (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Federal statutory tax rate, amount	$ 594	$ 165
State tax rate, amount	117	12
Permanent difference - stock-based compensation, amount	29	(13)
Permanent difference - other, amount	12	8
Provision to return, amount	4	(37)
Foreign tax credit generated, amount	(15)	0
Tax on foreign earnings - tax reform, amount	17	24
Foreign rate differential, amount	(2)	(11)
FDII deduction, amount	(32)	0
Research and development credit, amount	0	(39)
Total, amount	$ 724	$ 109
Federal statutory tax rate, percentage	21.00%	21.00%
State tax rate, percentage	4.10%	1.50%
Permanent difference - stock-based compensation, percentage	1.10%	(1.60%)
Permanent difference - other, percentage	0.30%	0.90%
Provision to return, percentage	0.20%	(4.50%)
Foreign tax credit generated, percentage	(0.50%)	0.00%
Tax on foreign earnings - tax reform, percentage	0.60%	2.90%
Foreign rate differential, percentage	(0.10%)	(1.30%)
FDII deduction, percentage	(1.10%)	0.00%
Research and development credit, percentage	0.00%	(4.70%)
Total, percentage	25.60%	14.20%