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Note 10 - Commitments and Contingencies (Details) - Lease Revenue Commitments (USD $)
Sep. 30, 2013
Lease Revenue Commitments [Abstract]  
2014 $ 3,969,000
2015 3,012,000
2016 2,495,000
2017 1,715,000
2018 1,417,000
Thereafter 3,409,000
$ 16,017,000