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Earnings Per Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Income (Numerator), basic and diluted earnings per share	$ 1,400	$ 1,733	$ (777)	$ (225)	$ 964	$ 1,145	$ 1,504	$ 1,594	$ 2,131	$ 5,207	$ 7,474
Basic EPS, Shares (Denominator)									7,542,071	7,918,454	8,347,564
Diluted EPS, Shares (Denominator)									7,700,371	8,098,991	8,541,554
Basic EPS, Per-Share Amount (in dollars per share)	$ 0.19	$ 0.23	$ (0.10)	$ (0.03)	$ 0.12	$ 0.14	$ 0.19	$ 0.20	$ 0.28	$ 0.66	$ 0.90
Diluted EPS, Per-Share Amount (in dollars per share)	$ 0.18	$ 0.23	$ (0.10)	$ (0.03)	$ 0.12	$ 0.14	$ 0.18	$ 0.20	$ 0.28	$ 0.64	$ 0.88
Employee Stock Option [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive shares									104,796	148,536	127,546
Restricted Stock [Member]
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Effect of dilutive shares									53,504	32,001	66,444

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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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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