Note 1: Nature of Operations and Summary of Significant Accounting Policies: Earnings Per Share, Policy: Options to Purchase Shares of Common Stock (Details) - shares	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Details
Options to Purchase Shares of Common Stock Outstanding, Not Included in Computation of Diluted Earnings Per Share Because Exercise Price Greater than Average Market Price	253,711	108,450	117,600

Represents the Options to Purchase Shares of Common Stock Outstanding, Not Included in Computation of Diluted Earnings Per Share Because Exercise Price Greater than Average Market Price (number of shares), during the indicated time period.

No definition available.

Name:	fil_OptionsToPurchaseSharesOfCommonStockOutstandingNotIncludedInComputationOfDilutedEarningsPerShareBecauseExercisePriceGreaterThanAverageMarketPrice
Namespace Prefix:	fil_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration