Note 6 - Short-term Borrowings (Tables)

12 Months Ended

Dec. 31, 2014

Debt Disclosure [Abstract]

Schedule of Line of Credit Facilities [Table Text Block]

Year ended December 31,
(in thousands)	2014			2013
Maximum outstanding (month-end)	$	--		$	--
Outstanding at year-end		--			--
Interest rate at year-end		6.0	%		6.0	%
Average interest rate		6.0	%		6.0	%