Property and Equipment

12 Months Ended

Dec. 31, 2012

Notes to Financial Statements

Note 4. Property and Equipment

Property and equipment consisted of the following at December 31:

	2012			2011
Computers and software	$	580,000		$	618,000
Machinery and equipment		535,000			892,000
Furniture and office equipment		87,000			98,000
Demonstration vehicles and buses		675,000			774,000
Leasehold improvements		1,327,000			1,348,000
Construction in progress		—			39,000
		3,204,000			3,769,000
Less accumulated depreciation and amortization		(2,897,000	)		(2,841,000	)
Total	$	307,000		$	928,000

Fixed assets totaling $482,000 and $187,000 were retired or disposed of in the years ended December 31, 2012 and 2011, respectively. Depreciation and amortization expense was $466,000 and $495,000 for the years ended December 31, 2012 and 2011, respectively, which included amortization expense of leasehold improvements of $262,000 for the years ended December 31, 2012 and 2011, respectively.