Note 5. Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Accumulated amortization	$ (5,546)	$ (4,937)
Net carrying amount	2,498
Customer Lists
Gross carrying amount	1,770	1,770
Accumulated amortization	(1,770)	(1,770)
Net carrying amount	0	0
Customer Relationships
Gross carrying amount	4,600	4,600
Accumulated amortization	(2,589)	(2,100)
Net carrying amount	2,011	2,500
Proprietary Software
Gross carrying amount	1,279	1,279
Accumulated amortization	(948)	(865)
Net carrying amount	331	414
Distribution Partner Relationships
Gross carrying amount	153	153
Accumulated amortization	(38)	(23)
Net carrying amount	115	130
Non-compete Agreements
Gross carrying amount	69	69
Accumulated amortization	(28)	(14)
Net carrying amount	41	55
Trademarks - Definite-Lived
Gross carrying amount	173	173
Accumulated amortization	(173)	(165)
Net carrying amount	0	8
Trademarks - Indefinite-Lived
Gross carrying amount	408	408
Accumulated amortization	0	0
Net carrying amount	408	408
Total Intangible Assets
Gross carrying amount	8,452	8,452
Accumulated amortization	(5,546)	(4,937)
Net carrying amount	$ 2,906	$ 3,515