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Leases (Details Textual) (USD $)	12 Months Ended
Leases (Details Textual) (USD $)	Dec. 31, 2012 Tenant	Dec. 31, 2011	Dec. 31, 2010
Leases (Textual) [Abstract]
Operating percentage rents	$ 465,000	$ 431,000	$ 398,000
Rents and other receivables for unbilled percentage rents	465,000	429,000
Discontinued operating rental income billed and collected		$ 47,000
Number of tenants operating base rents	3
Maximum [Member]
Operating Leases [Line Items]
Original lease terms of properties	20 years
Minimum [Member]
Operating Leases [Line Items]
Original lease terms of properties	5 years
Wendgusta [Member]
Operating Leases [Line Items]
Number of Properties leased	6
Percentage of base rents from tenants	53.00%
Wendcharles I [Member]
Operating Leases [Line Items]
Number of Properties leased	2
Percentage of base rents from tenants	14.00%
Wendcharles II [Member]
Operating Leases [Line Items]
Number of Properties leased	1
Percentage of base rents from tenants	8.00%

This element represents the rental revenue earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount. Such rental revenue is generally stipulated in the lease agreement, usually will provide for a fixed percentage of revenue to be paid as additional (or possibly only) rent due the lessor, and may be based on gross revenues, net revenues, or multiple variations thereof. Percentage rent is often required under leases with retail outlets located on premises owned by hoteliers, cruise lines, others in the hospitality industry, and shopping mall operators, among others.

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