Note 3 - Note Receivable (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	9 Months Ended
	Apr. 30, 2014	Mar. 31, 2014	Sep. 30, 2015	Sep. 30, 2014
Note Receivable [Abstract]
Note Receivable Payments Term		5 years
Promissory Note Rate of Interest Under Purchase Agreement		0.00%
Financing Receivable, Gross		$ 2,700
Proceeds from Collection of Notes Receivable	$ 686		$ 686	$ 686
Mortgage Loans on Real Estate, Carrying Amount of Mortgages	560
Loss On Settlement of Note Receivable	$ 1,400		$ 1,392