Note 5 - Property and Equipment

12 Months Ended

Dec. 31, 2016

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5 . Property and Equipment

Property and equipment consisted of the following:

	December 31,
	2016			2015
Buildings	$	355,000		$	355,000
Machinery and equipment		10,661,000			10,515,000
Office furniture and equipment		1,092,000			1,074,000
Leasehold improvements		506,000			497,000
		12,614,000			12,441,000
Less accumulated depreciation and amortization		(9,968,000	)		(9,534,000	)
	$	2,646,000		$	2,907,000

Depreciation and amortization expense for property and equipment was

$527,000

and

$683,000

for the years ended

December

31,

2016

and

2015,

respectively.