Financial Instruments - Schedule of Interest Rate Swap Fair Values - (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Jun. 30, 2017
Assets
Total		$ 84
Liabilities
Total			$ 8
Interest Rate Swap [Member]
Assets
Total	[1]	84
Liabilities
Total	[2]		8
Fair Value, Inputs, Level 2 [Member]
Assets
Total		84
Liabilities
Total			8
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Assets
Total	[1]	$ 84
Liabilities
Total	[2]		$ 8

[1] Included in “Other current assets” in the Balance Sheet

[2] Included in “Accrued expenses” in the Balance Sheet