Note 5 - Property and Equipment and Assets Held for Sale (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

	December 31,
	2013			2012
Equipment (useful life 3 - 15 years)	$	1,472		$	5,963
Tooling (useful life 2 - 5 years)		769			2,600
Furniture and fixtures (useful life 5 years)		115			132
Computer software (useful life 3 years)		521			462
Leasehold improvements (the shorter of useful life or lease life)		589			633
Construction in progress		9			50
Property and equipment at cost		3,475			9,840
Less: accumulated depreciation		(2,939	)		(8,040	)
Property and equipment, net	$	536		$	1,800