Summary of Significant Accounting Policies - Reconciliation of Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Accounting Policies [Abstract]
Number of antidilutive securities (in shares)									200	400
Numerator:
Net income	$ 2,350	$ 1,003	$ 1,600	$ 1,066	$ 226	$ 573	$ 1,472	$ 4,716	$ 6,019	$ 6,987	$ 11,383
Denominator:
Basic weighted-average common shares outstanding (in shares)									13,730	13,899	15,113
Effect of dilutive securities:
Stock awards and options (in shares)									735	180	379
Warrants (in shares)									66	71	451
Diluted weighted-average common shares outstanding (in shares)									14,531	14,150	15,943
Income per share, basic (dollars per share)	$ 0.17	$ 0.07	$ 0.12	$ 0.08	$ 0.02	$ 0.04	$ 0.11	$ 0.33	$ 0.44	$ 0.50	$ 0.75
Income per share, diluted (dollars per share)	$ 0.16	$ 0.07	$ 0.11	$ 0.08	$ 0.02	$ 0.04	$ 0.10	$ 0.32	$ 0.41	$ 0.49	$ 0.71