Note 3 - Property, Plant and Equipment

12 Months Ended

Dec. 31, 2015

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

( 3 ) Property, Plant and Equipment

Property, plant and equipment at December 31, 2015

and 2014

consisted of the following (dollar amounts expressed in thousands):

							Estimated
	2015			2014			useful lives (years)
Land	$	200		$	200			—
Buildings		786			786			27
Machinery and equipment		5,178			4,924		3	to	10
Office equipment		5,436			4,846		2	to	15
Leasehold improvements		2,125			2,186		1	to	15
Vehicles		424			494		3	to	5
Total property, plant and equipment		14,149			13,436
Less accumulated depreciation		(8,154	)		(7,874	)
Net property, plant and equipment	$	5,995		$	5,562

Depreciation of property, plant and equipment was approximately $1.3 million, $1.3 million and $1.2 million for the years ended December 31, 2015

, 2014

and 2013

, respectively.