Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Outstanding Long-Term Debt (Details)

v3.19.1
Debt - Schedule of Outstanding Long-Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jan. 03, 2018
Dec. 31, 2017
Debt Instrument [Line Items]      
Total debt, Outstanding Principle   $ 3,105
Total debt, Unamortized Discount and Debt Issuance Costs   (144)
Total debt, Net Carrying Amount   2,961
Less: Current portion, Outstanding Principle   (3,105)
Less: Current portion, Unamortized Discount and Debt Issuance Costs   144
Less: Current portion, Net Carrying Amount   (605)
Long-term debt, Outstanding Principle  
Long-term debt, Unamortized Discount and Debt Issuance Costs  
Long-term debt, Net Carrying Amount  
Hercules Term Loan [Member]      
Debt Instrument [Line Items]      
Total debt, Outstanding Principle $ 2,300 605
Total debt, Unamortized Discount and Debt Issuance Costs  
Total debt, Net Carrying Amount   605
North Stadium Term Loan [Member]      
Debt Instrument [Line Items]      
Total debt, Outstanding Principle   2,500
Total debt, Unamortized Discount and Debt Issuance Costs   (144)
Total debt, Net Carrying Amount   $ 2,356