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Note 10 - Other Non-current Assets (Details) - Other Non-current Assets (USD $)
In Thousands, unless otherwise specified
Mar. 29, 2015
Jun. 29, 2014
Other Non-current Assets [Abstract]    
Biomass foundation and feedstock, net $ 3,018us-gaap_IntermediateLifePlantsAccumulatedCosts $ 2,683us-gaap_IntermediateLifePlantsAccumulatedCosts
Debt financing fees 1,710us-gaap_DeferredFinanceCostsNoncurrentNet 2,093us-gaap_DeferredFinanceCostsNoncurrentNet
Other 211us-gaap_OtherAssetsMiscellaneousNoncurrent 310us-gaap_OtherAssetsMiscellaneousNoncurrent
Total other non-current assets $ 4,939us-gaap_OtherAssetsNoncurrent $ 5,086us-gaap_OtherAssetsNoncurrent