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Restructuring Charges (Tables)
9 Months Ended
Sep. 30, 2013
Restructuring Charges [Abstract]  
Schedule of restructuring and related costs
 
During the nine months ended September 30, 2013, the Company implemented restructurings of its workforce to better focus the Company's organizational structure, increase efficiency and concentrate financial resources on its clinical development program and European commercialization activity. This resulted in a reduction in the Company's workforce by 29 employees. As a result of termination benefits given to the impacted employees, the Company incurred a total cost of approximately $2.6 million which is reflected on the Condensed Consolidated Statements of Operations in both "Selling, general and administrative expenses" and "Research and development expenses", as appropriate. The $1.7 million in accrued severance expenses at September 30, 2013 is included in both Current "Accrued expenses" and Long-term Accrued expenses on the Condensed Consolidated Balance Sheets.

(in thousands)
 
September 30, 2013
 
Severance and restructuring expenses
 
$
2,628
 
Restructuring expenses paid by September 30, 2013
  
(883
)
Total restructuring expenses accrued as of September 30, 2013
 
$
1,745