Income Taxes - Summary of Income Tax Expense Recorded (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Income before taxes	$ 3,148	$ 5,111	$ 5,861	$ 7,223
Income tax expense at statutory rate	1,070	1,738	1,993	2,456
State income tax expense, net of federal tax benefit	220	374	377	587
Valuation allowance	(1,235)	(1,847)	(2,211)	(2,582)
Other permanent items	197	137	291	248
Income tax expense	$ 252	$ 402	$ 450	$ 709