Annual report pursuant to Section 13 and 15(d)

Short-Term and Long-Term Debt (Details)

v3.20.1
Short-Term and Long-Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Debt Disclosure [Abstract]    
Promissory notes $ 500 $ 500
Current portion of long-term debt 12
Total short-term borrowings and current portion of long-term $ 500 $ 512