Note 4 - Loans (Detail) - Secured Loans Summarized by Payment Delinquency (USD $)	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Secured loans – principal	$ 72,147,000	$ 73,386,000	$ 177,707,000	$ 202,134,000
Past Due 30-89 Days [Member]
Secured loans – principal	1,636,000	5,370,000
Past Due 90-179 Days [Member]
Secured loans – principal	726,000	1,254,000
Past Due 180 Days or More [Member]
Secured loans – principal	31,761,000	34,911,000
Past Due [Member]
Secured loans – principal	34,123,000	41,535,000
Current [Member]
Secured loans – principal	$ 38,024,000	$ 31,851,000