Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Income Tax [Line Items]
Tax expense at capital loss carryovers	$ 8	$ 252
Tax expense at charitable contribution carryovers	41	35
Operating loss carryover	1,051	0
Valuation allowance	2,073	$ 35	$ 27
Expiration 2035 [Member]
Income Tax [Line Items]
Operating loss carryover	3,000
Galileo [Member]
Income Tax [Line Items]
Tax expense at capital loss carryovers	287
Galileo [Member] | Expiration 2025 [Member]
Income Tax [Line Items]
Operating loss carryover	85
Galileo [Member] | Expiration 2027 [Member]
Income Tax [Line Items]
Operating loss carryover	156
Galileo [Member] | Expiration 2030 [Member]
Income Tax [Line Items]
Operating loss carryover	58
Domestic tax authority [Member]
Income Tax [Line Items]
Tax expense at charitable contribution carryovers	121
Domestic tax authority [Member] | Expiration 2018 [Member]
Income Tax [Line Items]
Tax expense at charitable contribution carryovers	68
Domestic tax authority [Member] | Expiration 2019 [Member]
Income Tax [Line Items]
Tax expense at charitable contribution carryovers	34
Domestic tax authority [Member] | Expiration 2020 [Member]
Income Tax [Line Items]
Tax expense at capital loss carryovers	24
Tax expense at charitable contribution carryovers	$ 19