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		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Numerator:
Net income	$ 1,003	$ 573	$ 3,669	$ 6,761
Denominator:
Basic weighted-average common shares outstanding (in shares)	13,734	13,724	13,721	13,969
Effect of dilutive securities:
Stock awards and options (in shares)	321	167	281	214
Warrants (in shares)	73	70	70	73
Diluted weighted-average common shares outstanding (in shares)	14,128	13,961	14,072	14,256
Net income per share, basic (USD per share)	$ 0.07	$ 0.04	$ 0.27	$ 0.48
Net income per share, diluted (USD per share)	$ 0.07	$ 0.04	$ 0.26	$ 0.47