You observe a company with the following items on the balance sheet (in thousands): Cash and equivalents 2018: $15 Cash and equivalents 2017: $23 Inventory 2018: $30 Inventory 2017: $37 Accounts receivable 2018: $112 Accounts receivable 2017: $91 Property, Plant, and Equipment 2018: \$1,051 Property, Plant, and Equipment 2017: \$1,265 Current Liabilities 2018: $258 Current Liabilities 2017: $230 Long-term debt 2018: \$724 Long-term debt 2017: $1,626 What is the change in net working capital for the firm for these years. Answer in thousands (the same as how the numbers are presented)