Note 8 - Credit Agreement (Details) - Wells Fargo Preferred Capital, Inc. - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Line of Credit Facility, Initiation Date	Sep. 11, 2009
Line of Credit Facility, Description	the Company entered into a credit facility with Wells Fargo Preferred Capital, Inc. The credit agreement provides for borrowings of up to $100.0 million or 70% of the Company's net finance receivables (as defined in the Credit Agreement), whichever is less
Line of Credit Facility, Borrowing Capacity, Description	The credit agreement provides for borrowings of up to $100.0 million or 70% of the Company's net finance receivables (as defined in the Credit Agreement), whichever is less
Line of Credit Facility, Commitment maturity date	Sep. 11, 2018
Line of Credit Facility, Current Borrowing Capacity		$ 0
Line of Credit Facility, Interest Rate Description	3.75%