Note 6 - Investments Schedule of Contractual Maturities (Details) (USD $)	Mar. 31, 2012		Dec. 31, 2011
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	$ 2,667,000		$ 2,640,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	2,769,000		2,748,000
Available-for-sale Securities, Amortized Cost
Amortized cost	103,484,000		120,757,000
Available-for-sale Securities, Fair Value
Fair value	104,675,000		118,733,000
Debt Securities
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	2,667,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	2,769,000
Available-for-sale Securities, Amortized Cost
Amortized cost	103,484,000
Available-for-sale Securities, Fair Value
Fair value	104,675,000
Non Asset Backed Security Investments, Contractual Maturities
Held-to-maturity Securities, Amortized Cost
Due in one year or less	1,934,000	[1]
Due after one year through five years	428,000	[1]
Due after five years through ten years	0	[1]
Due after ten years	305,000	[1]
Held-to-maturity Securities, Fair Value
Due in one year or less	2,029,000	[1]
Due after one year through five years	440,000	[1]
Due after five years through ten years	0	[1]
Due after ten years	300,000	[1]
Available-for-sale Securities, Amortized Cost
Due in one year or less	4,504,000	[1]
Due after one year through five years	14,519,000	[1]
Due after five years through ten years	4,554,000	[1]
Due after ten years	77,638,000	[1]
Available-for-sale Securities, Fair Value
Due in one year or less	4,441,000	[1]
Due after one year through five years	15,040,000	[1]
Due after five years through ten years	4,478,000	[1]
Due after ten years	78,285,000	[1]
RMBS
Available-for-sale Securities, Amortized Cost
Amortized cost	67,000	[2]
Available-for-sale Securities, Fair Value
Fair value	74,000	[2]
CMBS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,183,000	[2]
Available-for-sale Securities, Fair Value
Fair value	1,185,000	[2]
Other ABS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,019,000	[2]
Available-for-sale Securities, Fair Value
Fair value	$ 1,172,000	[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.