Note 17 - Employee Benefit Plans (Details) - Company’s participation in multiemployer pension plans (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Multiemployer Plans [Line Items]
Contributions	$ 1,117	$ 1,050	$ 1,026
New England Teamsters And Trucking Industry Pension Fund [Member]
Multiemployer Plans [Line Items]
Contributions	391	427	367
Laborers' Local 57 Industrial Pension Fund Of Philadelphia, PA [Member]
Multiemployer Plans [Line Items]
Contributions	89		39
Sheet Metal Workers' National Pension Fund [Member]
Multiemployer Plans [Line Items]
Contributions	38		36
IAM National Pension Fund, National Pension Plan [Member]
Multiemployer Plans [Line Items]
Contributions	$ 599	$ 623	$ 584