Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		$ 294	$ 885	$ 1,431
Charged to Costs and Expenses		447	121	585
Charged to Other Accounts		0	0	(666)
Deductions		(65)	(712)	(465)
Balance at End of Period		676	294	885
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		204	795	1,201
Charged to Costs and Expenses		422	121	725
Charged to Other Accounts		0	0	(666)	[1]
Deductions	[2]	(65)	(712)	(465)
Balance at End of Period		561	204	795
Valuation Allowance of Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period		90	90	230
Charged to Costs and Expenses		25	0	(140)
Charged to Other Accounts		0	0	0
Deductions		0	0	0
Balance at End of Period		$ 115	$ 90	$ 90

[1] Collection of a fully reserved receivable recognized as revenue.

[2] Receivables written off against allowance for doubtful accounts.