Note 7 - Investments Schedule of Contractual Maturities (Details) (USD $)	Dec. 31, 2012		Dec. 31, 2011
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	$ 679,000		$ 2,640,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	676,000		2,748,000
Available-for-sale Securities, Amortized Cost
Amortized cost	39,481,000		120,757,000
Available-for-sale Securities, Fair Value
Fair value	40,696,000		118,733,000
Debt Securities
Held-to-maturity Securities, Amortized Cost
Total held to maturity amortized cost	679,000
Held-to-maturity Securities, Fair Value
Total held to maturity fair value	676,000
Available-for-sale Securities, Amortized Cost
Amortized cost	39,481,000
Available-for-sale Securities, Fair Value
Fair value	40,696,000
Non Asset Backed Security Investments, Contractual Maturities
Held-to-maturity Securities, Amortized Cost
Due in one year or less	0	[1]
Due after one year through five years	373,000	[1]
Due after five years through ten years	0	[1]
Due after ten years	306,000	[1]
Held-to-maturity Securities, Fair Value
Due in one year or less	0	[1]
Due after one year through five years	376,000	[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	7,139,000	[1]
Due after one year through five years	11,282,000	[1]
Due after five years through ten years	3,048,000	[1]
Due after ten years	17,962,000	[1]
Available-for-sale Securities, Fair Value
Due in one year or less	7,184,000	[1]
Due after one year through five years	11,518,000	[1]
Due after five years through ten years	3,145,000	[1]
Due after ten years	18,798,000	[1]
RMBS
Available-for-sale Securities, Amortized Cost
Amortized cost	50,000	[2]
Available-for-sale Securities, Fair Value
Fair value	$ 51,000	[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.