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Summary of Significant Accounting Policies - Summary of Computation of Net Income Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Numerator:        
Net income $ 283 $ 1,600 $ 1,463 $ 2,666
Denominator:        
Basic weighted-average common shares outstanding (in shares) 13,840 13,718 13,830 13,714
Effect of dilutive securities:        
Stock awards and options (in shares) 250 227 302 171
Warrants (in shares) 42 71 44 67
Diluted weighted-average common shares outstanding (in shares) 14,132 14,016 14,176 13,952
Net income per share, basic (USD per share) $ 0.02 $ 0.12 $ 0.11 $ 0.19
Net income per share, diluted (USD per share) $ 0.02 $ 0.11 $ 0.10 $ 0.19