Accumulated Other Comprehensive Income (Loss) (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at June 30, 2016	$ (545)
Other comprehensive loss before reclassifications	(98)
Amounts reclassified from accumulated other comprehensive income	20
Net current period other comprehensive loss	(78)
Balance at September 30, 2016	(623)
Pension and Postretirement Benefit Plans [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at June 30, 2016	(1,637)
Other comprehensive loss before reclassifications	(23)
Amounts reclassified from accumulated other comprehensive income	20
Net current period other comprehensive loss	(3)
Balance at September 30, 2016	(1,640)
Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance at June 30, 2016	1,092
Other comprehensive loss before reclassifications	(75)
Amounts reclassified from accumulated other comprehensive income	0
Net current period other comprehensive loss	(75)
Balance at September 30, 2016	$ 1,017