Note 3 - Fair Value Measurements - Financial Instruments (Details) - USD ($) $ in Thousands		Sep. 30, 2015	Dec. 31, 2014
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fixed maturity securities
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fixed maturity securities		$ 5,556	$ 5,941
US Government Agencies Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Fixed maturity securities
US Government Agencies Debt Securities [Member]
Fixed maturity securities		$ 5,556	$ 5,941
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fixed maturity securities
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fixed maturity securities		$ 14,721	$ 10,961
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Fixed maturity securities
US States and Political Subdivisions Debt Securities [Member]
Fixed maturity securities		$ 14,721	$ 10,961
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fixed maturity securities
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fixed maturity securities		$ 34,019	$ 30,949
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Fixed maturity securities
Corporate Debt Securities [Member]
Fixed maturity securities		$ 34,019	$ 30,949
Commercial Mortgage and Asset-backed [Member] | Fair Value, Inputs, Level 1 [Member]
Fixed maturity securities
Commercial Mortgage and Asset-backed [Member] | Fair Value, Inputs, Level 2 [Member]
Fixed maturity securities		$ 43,270	$ 36,554
Commercial Mortgage and Asset-backed [Member] | Fair Value, Inputs, Level 3 [Member]
Fixed maturity securities
Commercial Mortgage and Asset-backed [Member]
Fixed maturity securities		$ 43,270	$ 36,554
Debt Securities [Member] | Fair Value, Inputs, Level 1 [Member]
Fixed maturity securities
Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Fixed maturity securities		$ 97,566	$ 84,405
Debt Securities [Member] | Fair Value, Inputs, Level 3 [Member]
Fixed maturity securities
Debt Securities [Member]
Fixed maturity securities		$ 97,566	84,405
Common Stock [Member] | Fair Value, Inputs, Level 1 [Member]
Equity securities		$ 4,030	$ 4,084
Common Stock [Member] | Fair Value, Inputs, Level 2 [Member]
Equity securities
Common Stock [Member] | Fair Value, Inputs, Level 3 [Member]
Equity securities
Common Stock [Member]
Equity securities		$ 4,030	$ 4,084
Fair Value, Inputs, Level 1 [Member] | Senior Debt Obligations [Member]
Senior debt	[1]
Fair Value, Inputs, Level 1 [Member]
Short-term investments	[1]	$ 6,537	$ 16,749
Total assets measured at fair value		$ 10,567	$ 20,833
Total liabilities measured at fair value
Contingent consideration
Fair Value, Inputs, Level 2 [Member] | Senior Debt Obligations [Member]
Senior debt	[1]	$ 9,750	$ 27,562
Fair Value, Inputs, Level 2 [Member]
Short-term investments	[1]
Total assets measured at fair value		$ 97,566	$ 84,405
Total liabilities measured at fair value		$ 9,750	$ 27,562
Contingent consideration
Fair Value, Inputs, Level 3 [Member] | Senior Debt Obligations [Member]
Senior debt	[1]
Fair Value, Inputs, Level 3 [Member]
Fixed maturity securities
Short-term investments	[1]
Total assets measured at fair value
Total liabilities measured at fair value			$ 168
Contingent consideration			168
Senior Debt Obligations [Member]
Senior debt	[1]	$ 9,750	27,562
Fixed maturity securities		97,566	84,405
Equity securities		4,030	4,084
Short-term investments	[1]	6,537	16,749
Total assets measured at fair value		108,133	105,238
Total liabilities measured at fair value		$ 9,750	27,730
Contingent consideration			$ 168

[1] Carried at cost or amortized cost on the consolidated balance sheet