NOTE 4: EARNINGS PER SHARE: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Details
Weighted Average Number of Shares Outstanding, Diluted	14,053	14,210	14,119	14,187
Net Income (Loss) Available to Common Stockholders, Diluted	$ 13,454	$ 19,732	$ 41,525	$ 55,720
Earnings Per Share, Basic	$ 0.96	$ 1.39	$ 2.94	$ 3.93
Net effect of dilutive stock options - based on the treasurystock method using average market price	32	107	46	110
Weighted Average Number Diluted Shares Outstanding Adjustment	14,085	14,317	14,165	14,297
Earnings Per Share, Diluted	$ 0.96	$ 1.38	$ 2.93	$ 3.90