Note 6 - Investments Schedule of Contractual Maturities (Details) (USD $)	Sep. 30, 2012		Dec. 31, 2011
Available-for-sale Securities, Amortized Cost
Available-for-sale Debt Securities, Amortized Cost Basis	$ 64,795,000		$ 120,757,000
Available-for-sale Securities, Fair Value
Total available for sale fair value	66,412,000		118,733,000
Debt Securities
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	1,233,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	1,273,000
Available-for-sale Securities, Amortized Cost
Available-for-sale Debt Securities, Amortized Cost Basis	64,795,000
Available-for-sale Securities, Fair Value
Total available for sale fair value	66,412,000
Non Asset Backed Security Investments, Contractual Maturities
Held-to-maturity Securities, Amortized Cost
Due in one year or less	492,000	[1]
Due after one year through five years	434,000	[1]
Due after five years through ten years	0	[1]
Due after ten years	307,000	[1]
Held-to-maturity Securities, Fair Value
Due in one year or less	532,000	[1]
Due after one year through five years	441,000	[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	7,461,000	[1]
Due after one year through five years	11,456,000	[1]
Due after five years through ten years	3,046,000	[1]
Due after ten years	42,779,000	[1]
Available-for-sale Securities, Fair Value
Due in one year or less	7,578,000	[1]
Due after one year through five years	11,834,000	[1]
Due after five years through ten years	3,163,000	[1]
Due after ten years	43,782,000	[1]
RMBS
Held-to-maturity Securities, Amortized Cost
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Net Carrying Amount	0	[2]
Held-to-maturity Securities, Fair Value
Held-to-maturity Securities, Debt Maturities, without Single Maturity Date, Fair Value	0	[2]
Available-for-sale Securities, Amortized Cost
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Amortized Cost Basis	53,000	[2]
Available-for-sale Securities, Fair Value
Available-for-sale Securities, Debt Maturities, without Single Maturity Date, Fair Value	$ 55,000	[2]

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

[2] RMBS are shown separately as they are not due at a single maturity date.