Note 3. Earnings Per Share (Details) - shares	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
Basic earnings per share:
Weighted average common shares	1,234,478	1,241,733
Diluted earnings per share:
Weighted average common shares	1,234,478	1,241,733
Dilutive effect of stock awards	0	1,205
Weighted average common and incremental shares	1,234,478	1,242,938
Anti-dilutive stock awards excluded from the calculation of earnings per share	1,497	0

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6505113

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6510752

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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