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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 9 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2018
Mar. 31, 2017
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Net income – numerator for basic earnings per share and diluted earnings per share - available to common stockholders $ 1,733 $ 1,145 $ 731 $ 4,243
Weighted-average shares, Basic 7,457 7,926 7,573 7,943
Adjusted weighted-average shares and assumed conversions 7,616 8,094 7,737 8,126
Basic earnings per share (in dollars per share) $ 0.23 $ 0.14 $ 0.10 $ 0.53
Diluted earnings per share (in dollars per share) $ 0.23 $ 0.14 $ 0.09 $ 0.52
Stock Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Effect of dilutive securities 97 142 111 153
Restricted Stock [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Effect of dilutive securities 62 26 53 30