Note 10 - Rentals (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Leases, Operating [Abstract]
Operating Leases, Rent Expense	$ 342,000	$ 184,000
Operating Leases, Future Minimum Payments Due	354,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months	170,000
Operating Leases, Future Minimum Payments, Due in Two Years	168,000
Operating Leases, Future Minimum Payments, Due in Three Years	$ 164,000