Note 6 - Mortgages Payable (Details) - Future Minimum Payments of Principal on Mortgages (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Future Minimum Payments of Principal on Mortgages [Abstract]
2013	$ 332
2014	1,367
2015	24,527
2016	2,583
2017	13,009
Thereafter	9,593
Total	$ 51,411