XML 15 R33.htm IDEA: XBRL DOCUMENT

Fixed Assets - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
Fixed Assets - Additional Information (Detail) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Fixed Assets [Line Items]
Depreciation expense	$ 246,000	$ 315,000	$ 824,000	$ 971,000

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References+ Details