Quarterly report pursuant to Section 13 or 15(d)

Short-Term and Long-Term Debt (Details)

v3.10.0.1
Short-Term and Long-Term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Debt Disclosure [Abstract]    
Promissory note $ 500
Current portion of long-term debt 12 11
Total short-term borrowings and current portion of long-term debt $ 512 $ 11