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, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Numerator:
Net income	$ 1,600	$ 1,472	$ 2,666	$ 6,188
Denominator:
Basic weighted-average common shares outstanding (in shares)	13,718	13,956	13,714	14,089
Effect of dilutive securities:
Stock awards and options (in shares)	227	220	171	222
Warrants (in shares)	71	212	67	212
Diluted weighted-average common shares outstanding (in shares)	14,016	14,388	13,952	14,523
Net income per share, basic (USD per share)	$ 0.12	$ 0.11	$ 0.19	$ 0.44
Net income per share, diluted (USD per share)	$ 0.11	$ 0.10	$ 0.19	$ 0.43