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FIXED ASSETS
12 Months Ended
Aug. 31, 2012
FIXED ASSETS [Abstract]  
FIXED ASSETS
(4)  FIXED ASSETS
 
Fixed assets consisted of:
 
 
As of August 31,
 
Category
2012
2011
Estimated useful lives
Leasehold improvements
$
146
$
125
Shorter of life of asset or lease term
Office furniture
3
3
7 years
Laboratory equipment
569
285
5 years
Computer hardware and software
205
131
3 years
Capital lease equipment
26
14
Shorter of life of asset or lease term
Total at cost
949
558
  
Less: accumulated depreciation
(546
)
(481
)
  
Total fixed assets, net
$
403
$
77
  

Depreciation expense for the years ended August 31, 2012, 2011 and 2010 and the cumulative period from September 8, 2005 (inception) to August 31, 2012 was $65, $78, $72 and $566, respectively. Accumulated depreciation on capital lease equipment was $6 and zero as of August 31, 2012 and 2011, respectively.