Business interruption insurance recovery
12 Months Ended
Dec. 31, 2013
Business interruption insurance recovery [Abstract]  
Business interruption insurance recovery
18. Business interruption insurance recovery

During the year ended December 31, 2012, the Company recorded a $1.7 million in insurance recovery related to a power outage at its Lansing, Michigan facility. The insurance recovery is classified in the Company's statement of operations as other income (expense), net.