Quarterly report pursuant to Section 13 or 15(d)

Debt - Outstanding Long-Term Debt (Details)

v2.4.0.8
Debt - Outstanding Long-Term Debt (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Total debt, Outstanding Principal $ 22,900 $ 18,000
Less: Current portion, Outstanding Principal (20,000) (18,000)
Long-term debt, Outstanding Principal 2,900  
Total debt, Unamortized Discount (2,784) (75)
Less: Current portion, Unamortized Discount 1,100 75
Long-term debt, Unamortized Discount (1,684)  
Total debt, Net Carrying Amount 20,116 17,925
Less: Current portion, Net Carrying Amount (18,900) (17,925)
Long-term debt 1,216  
GE Secured Lending Facility
    
Debt Instrument [Line Items]    
Total debt, Outstanding Principal   18,000
Total debt, Unamortized Discount   (75)
Total debt, Net Carrying Amount   17,925
Less: Current portion, Net Carrying Amount (14,300)  
Hercules Term Loan
    
Debt Instrument [Line Items]    
Total debt, Outstanding Principal 20,000  
Total debt, Unamortized Discount (1,100)  
Total debt, Net Carrying Amount 18,900  
Convertible Note
    
Debt Instrument [Line Items]    
Total debt, Outstanding Principal 2,900  
Total debt, Unamortized Discount (1,684)  
Total debt, Net Carrying Amount $ 1,216