Note 7 - Investments Schedule of Contractual Maturities (Details) (USD $)	Dec. 31, 2011		Dec. 31, 2010
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	$ 2,640,000		$ 10,773,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	2,748,000		11,416,000
Available-for-sale Securities, Amortized Cost
Amortized cost	120,757,000		340,795,000
Available-for-sale Securities, Fair Value
Fair value	118,733,000		273,799,000
Debt Securities
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	2,640,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	2,748,000
Available-for-sale Securities, Amortized Cost
Amortized cost	120,757,000
Available-for-sale Securities, Fair Value
Fair value	118,733,000
Non Asset Backed Security Investments, Contractual Maturities
Held-to-maturity Securities, Amortized Cost
Due in one year or less	1,912,000	[1]
Due after one year through five years	424,000	[1]
Due after five years through ten years	0	[1]
Due after ten years	304,000	[1]
Held-to-maturity Securities, Fair Value
Due in one year or less	2,022,000	[1]
Due after one year through five years	428,000	[1]
Due after five years through ten years	0	[1]
Due after ten years	298,000	[1]
Available-for-sale Securities, Amortized Cost
Due in one year or less	1,944,000	[1]
Due after one year through five years	16,594,000	[1]
Due after five years through ten years	5,678,000	[1]
Due after ten years	92,554,000	[1]
Available-for-sale Securities, Fair Value
Due in one year or less	1,834,000	[1]
Due after one year through five years	17,135,000	[1]
Due after five years through ten years	5,326,000	[1]
Due after ten years	90,232,000	[1]
RMBS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,308,000	[2]
Available-for-sale Securities, Fair Value
Fair value	1,360,000	[2]
CMBS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,660,000	[2]
Available-for-sale Securities, Fair Value
Fair value	1,669,000	[2]
Other ABS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,019,000	[2]
Available-for-sale Securities, Fair Value
Fair value	$ 1,177,000	[2]

[1] Actual maturities may differ as a result of calls before scheduled maturity.

[2] RMBS, CMBS and Other ABS are shown separately, as they are not due at a single maturity date.