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NOTE 4: EARNINGS PER SHARE: Earnings Per Share, Policy (Details) - shares	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
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	252,911	120,250

X

- Definition

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.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	us-gaap_TextBlockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration