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Note 3 - Tenant Leases (Tables)
9 Months Ended
Sep. 30, 2015
Leases [Abstract]  
Operating Leases of Lessor Disclosure [Table Text Block]
  Minimum Rents
Remaining 2015   $ 34,577  
2016     133,325  
2017     119,776  
2018     100,872  
2019     81,732  
Thereafter     341,613  
Total minimum lease payments   $ 811,895