A rollforward of the charges incurred for the year ended December 31, 2016 is as follows (in thousands):

 
 
Balance as of
 
Expensed/
 
Cash
 
Non-Cash
 
Balance as of
 
 
December 31, 2015
 
Accrued Expense
 
Payments
 
Items
 
December 31, 2016
Employee retention and severance payments
 
$

 
$
6,636

 
$
(691
)
 
$

 
$
5,945

Technical transfer of products
 

 
6,573

 
(6,573
)
 

 

Asset impairment and accelerated depreciation charges
 

 
13,678

 

 
(13,678
)
 

Facilities lease terminations and asset retirement obligations
 

 
209

 

 

 
209

Legal and professional fees
 

 
12

 
(12
)
 

 

Total
 
$

 
$
27,108

 
$
(7,276
)
 
$
(13,678
)
 
$
6,154