Acquisition (Details) - USD ($) $ in Thousands	Jan. 12, 2015	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Business Acquisition [Line Items]
Finite-lived intangible assets, accumulated amortization		$ 10,383	$ 10,182
Estimated amortization expense, FY 2017		200
Estimated amortization expense, FY 2018		198
Estimated amortization expense, FY 2019		193
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Goodwill		272	272	$ 0
Noncompete Agreements
Business Acquisition [Line Items]
Finite-lived intangible assets, accumulated amortization		10	3
Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible assets, accumulated amortization		10,373	10,179
Rae' Launo Corporation [Member]
Business Acquisition [Line Items]
Purchase consideration	$ 1,500
Payments to acquire business	1,200
Potential annual earnout payments	$ 100
Potential earn out payment term	3 years
Finite-lived intangible assets, net		600	800
Finite-lived intangible assets, accumulated amortization		$ 300	$ 100
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Property, plant and equipment	$ 338
Goodwill	272
Total assets acquired	1,500
Rae' Launo Corporation [Member] | Noncompete Agreements
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets	$ 20
Finite-lived intangible assets, useful life	36 months
Rae' Launo Corporation [Member] | Customer Relationships
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract]
Finite-lived intangible assets	$ 870
Finite-lived intangible assets, useful life	54 months