9. Loans, Notes, and Other Receivables (Detail) - (Table 1) Loans, Notes, and Other Receivables (USD $)	Dec. 31, 2012		Dec. 31, 2011
Loans, Notes, and Other Receivables	$ 502,000		$ 569,000
Promissory Notes and Accrued Interest Due from Individual [Member]
Loans, Notes, and Other Receivables	208,000	[1]	205,000	[1]
Rent Due from Bayshore Tenant, Net of Bad Debt Allowance [Member]
Loans, Notes, and Other Receivables	206,000	[2]	259,000	[2]
Other Loans, Notes, and Other Receivables [Member]
Loans, Notes, and Other Receivables	$ 88,000		$ 105,000

[1] In December 2007 the Company loaned $400,000 to a local real estate developer who is well known to the Company and which loan is secured by numerous real estate interests. In 2010 $197,000 of principal payments were received. The loan calls for interest only payments at an annual rate of 9% with all principal due on June 30, 2012 (as extended). All interest payments due have been received.

[2] Rent due from Bayshore tenants are primarily from one marina tenant. As of December 31, 2011 and 2010 an allowance for bad debt of $150,000 has been recorded for this tenant. This tenant's lease was amended in December 2010 and the number of slips rented to this tenant was significantly reduced. The tenant is current on all payments due under amended lease.