XML 42 R31.htm IDEA: XBRL DOCUMENT v3.21.1
Notes Payable (Details 1) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Notes Payable [Abstract]    
2020 $ 740  
2021 471  
2022 483  
2023 496  
2024 511  
Thereafter 2,235  
Notes payable $ 4,936 $ 5,011