Leasehold Improvements, Equipment and Construction in Progress, Net

9 Months Ended

Sep. 30, 2011

Leasehold Improvements, Equipment and Construction in Progress, Net [Abstract]

Leasehold Improvements, Equipment and Construction in Progress, Net

6. Leasehold Improvements, Equipment and Construction in Progress, Net

A summary of leasehold improvements, equipment, and construction in progress and related accumulated depreciation and amortization is as follows:

	Ranges of Estimated
	useful life	September 30, 2011			December 31, 2010
		(Unaudited)
Equipment	2-10 years	$	36,211		$	30,982
Leasehold improvements	Shorter of lease term or economic life up to 10 years		9,935			9,642
Construction in progress			1,985			6,025
			48,131			46,649
Less accumulated depreciation and amortization			(31,501	)		(29,810	)
Leasehold improvements, equipment and construction in progress, net		$	16,630		$	16,839

Depreciation expense was $1,066 and $3,013 for the three and nine months ended September 30, 2011, respectively, and $932 and $2,797 for the three and nine months ended September 30, 2010, respectively. Depreciation includes gains on sale and abandonment of leasehold improvements and equipment of $13 and $49 for the three and nine months ended September 30, 2011, respectively, and losses on the sale and abandonment of leasehold improvements and equipment of $13 and $50 for the three and nine months ended September 30, 2010, respectively.