Property and Equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment Disclosure [Text Block]

5. PROPERTY AND EQUIPMENT



	December 31,
	2014			2013
Computer equipment and software	$	27,678		$	25,368
Engineering and test equipment	11,970			11,631
Building and improvements	11,076			7,902
Leasehold improvements	7,406			6,477
Furniture and fixtures	1,292			1,166
Land	695			695
Property and equipment, gross	60,117			53,239
Less: accumulated depreciation	(47,571		)	(43,704		)
Property and equipment, net	$	12,546		$	9,535

Depreciation expense was $3.9 million, $3.6 million and $3.6 million in 2014, 2013 and 2012, respectively. Depreciation expense included depreciation of computer software costs of $1.4 million, $1.0 million and $1.0 million in 2014, 2013 and 2012, respectively. Accumulated depreciation related to computer software costs was $14.3 million and $12.7 million at December 31, 2014 and 2013, respectively. The net book value of our computer software was $2.2 million and $2.5 million at December 31, 2014 and 2013, respectively.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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