Note 7 - Fair Value Measurements (Details) - Assets Measured at Fair Value (USD $)	Sep. 30, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and restricted cash	$ 10,528,000
Cash and restricted cash	10,528,000
Finance receivables	20,179,000
Finance receivables	20,218,000
Marketable investments	3,000,000
Marketable investments	3,000,000
Other assets	265,000
Other assets	265,000
Warrant liability	288,000
Warrant liability	288,000
Fair Value, Inputs, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and restricted cash	10,528,000
Fair Value, Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Marketable investments	3,000,000
Fair Value, Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Finance receivables	20,218,000
Other assets	265,000
Warrant liability	$ 288,000