Note 5 - Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	December 31,
	2014			2013
Land	$	4,485,000		$	2,340,000
Buildings, improvements and leaseholds		11,329,000			11,719,000
Machinery, equipment and fixtures		42,686,000			40,292,000
		58,500,000			54,351,000
Accumulated depreciation and amortization		(42,215,000	)		(41,191,000	)
	$	16,285,000		$	13,160,000