Credit Facilities (Details)	6 Months Ended		0 Months Ended	6 Months Ended
	Dec. 31, 2014 USD ($)	Jun. 30, 2014 USD ($)	Jan. 29, 2015 Domestic Line of Credit [Member]	Dec. 31, 2014 Domestic Line of Credit [Member] USD ($)	Jan. 29, 2015 Domestic Line of Credit [Member] USD ($)	Dec. 31, 2014 Foreign Line of Credit [Member] USD ($)	Dec. 31, 2014 Foreign Line of Credit [Member] EUR (€)	Dec. 31, 2014 Letter of Credit [Member]
Line of Credit Facility [Line Items]
Credit facility, amount outstanding	$ 0	$ 0
Amount available under credit facility				6,000,000	6,000,000	425,000	350,000
Interest on LIBOR-based advances, basis spread				2.35%
Commitment percentage fee				0.15%
Required period having no outstanding advances				30 days
Minimum net worth required for compliance				33,200,000	31,000,000
Line of Credit Facility, Dividend Restrictions Current Fiscal Year	2,500,000
Interest rate on borrowings						4.25%	4.25%	2.00%
Line of Credit Facility, Capacity Available for Trade Purchases							100,000
Line of Credit Facility, Capacity Available for Specific Purpose Other than for Trade Purchases							250,000
Line of Credit Facility, Current Borrowing Capacity				$ 3,700,000
Line of Credit Facility, Borrowing Capacity, Description			80%