Note 5 - Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,
	2015			2014
Land	$	4,485,000		$	4,485,000
Buildings, improvements and leaseholds		16,601,000			11,329,000
Machinery, equipment and fixtures		43,791,000			42,686,000
		64,877,000			58,500,000
Accumulated depreciation and amortization		(42,353,000	)		(42,215,000	)
	$	22,524,000		$	16,285,000