Note 10 - Rentals (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
HAITI
Operating Leases, Future Minimum Payments Due	$ 1,127,000
Lessee Leasing Arrangements, Operating Leases, Term of Contract	8 years 240 days
Prepaid Rent	$ 1,014,000
Operating Leases, Rent Expense	339,000	$ 342,000
Operating Leases, Future Minimum Payments Due	274,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months	260,000
Operating Leases, Future Minimum Payments, Due in Two Years	14,000
Operating Leases, Future Minimum Payments, Due in Three Years	$ 0