Note 14. Fair Value of Financial Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Assets
Cash equivalents	$ 2,293	$ 471
Equity securities: Consumer goods	2,445	2,018
Bonds	23,037	24,904
Options on equity securities	2,018	2,445
Non-qualified deferred compensation plan investments	3,081	2,872
Total assets at fair value	32,874	32,710
Level 1
Assets
Cash equivalents	2,293	471
Equity securities: Consumer goods	2,445	2,018
Bonds	0	0
Options on equity securities	0	0
Non-qualified deferred compensation plan investments	3,081	2,872
Total assets at fair value	7,819	5,361
Level 2
Assets
Cash equivalents	0	0
Equity securities: Consumer goods	0	0
Bonds	23,037	24,904
Options on equity securities	2,018	2,445
Non-qualified deferred compensation plan investments	0	0
Total assets at fair value	25,055	27,349
Level 3
Assets
Cash equivalents	0	0
Equity securities: Consumer goods	0	0
Bonds	0	0
Options on equity securities	0	0
Non-qualified deferred compensation plan investments	0	0
Total assets at fair value	$ 0	$ 0