(7) DISCONTINUED OPERATIONS - (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Discontinued Operations and Disposal Groups [Abstract]
Change in estimates for gross profit guarantees	$ 128	$ (51)	$ (6)	$ (283)