Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Income (Numerator), basic and diluted earnings per share	$ 4,417	$ 2,131
Basic EPS, Shares (Denominator)	7,484,925	7,542,071
Diluted EPS, Shares (Denominator)	7,596,268	7,700,371
Basic EPS, Per-Share Amount (in dollars per share)	$ 0.59	$ 0.28
Diluted EPS, Per-Share Amount (in dollars per share)	$ 0.58	$ 0.28
Stock Options
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive shares	95,960	104,796
Restricted Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive shares	15,383	53,504