Note 3 - Acquisition (Details Textual) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended
	Aug. 31, 2014	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Acquisition of The Magnuson Grand Hotel [Member] | Proceeds From Line Of Credit [Member]
Payments to Acquire Businesses, Gross	$ 2,900,000
Acquisition of The Magnuson Grand Hotel [Member] | Cash on Hand [Member]
Business Combination, Consideration Transferred	200,000
Acquisition of The Magnuson Grand Hotel [Member] | Reclassified From Other Intangible Assets [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		$ 800,000		$ 800,000
Acquisition of The Magnuson Grand Hotel [Member]
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual		(100,000)	$ 300,000	(300,000)	$ 9,000
Business Combination, Consideration Transferred	3,122,000
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual		$ 700,000		$ 1,500,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	$ 3,388,000
Payments to Acquire Businesses, Gross					$ 3,122,000