Note 6 - Investments Schedule of Contractual Maturities (Details) (USD $)	Sep. 30, 2011		Dec. 31, 2010
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	$ 4,083,000		$ 10,773,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	4,248,000		11,416,000
Available-for-sale Securities, Amortized Cost
Amortized cost	123,249,000		340,795,000
Available-for-sale Securities, Fair Value
Fair value	118,895,000		273,799,000
Debt Securities
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	4,083,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	4,248,000
Available-for-sale Securities, Amortized Cost
Amortized cost	123,249,000
Available-for-sale Securities, Fair Value
Fair value	118,895,000
Non Asset Backed Security Investments, Contractual Maturities
Held-to-maturity Securities, Amortized Cost
Due in one year or less	2,413,000	[1]
Due after one year through five years	1,366,000	[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	2,504,000	[1]
Due after one year through five years	1,449,000	[1]
Due after five years through ten years	0	[1]
Due after ten years	295,000	[1]
Available-for-sale Securities, Amortized Cost
Due in one year or less	2,095,000	[1]
Due after one year through five years	16,746,000	[1]
Due after five years through ten years	5,842,000	[1]
Due after ten years	93,564,000	[1]
Available-for-sale Securities, Fair Value
Due in one year or less	2,011,000	[1]
Due after one year through five years	17,356,000	[1]
Due after five years through ten years	5,464,000	[1]
Due after ten years	88,831,000	[1]
RMBS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,994,000	[2]
Available-for-sale Securities, Fair Value
Fair value	2,049,000	[2]
CMBS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,989,000	[2]
Available-for-sale Securities, Fair Value
Fair value	2,000,000	[2]
Other ABS
Available-for-sale Securities, Amortized Cost
Amortized cost	1,019,000	[2]
Available-for-sale Securities, Fair Value
Fair value	$ 1,184,000	[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.