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Notes Payable - Maturities (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Oct. 31, 2019
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Note payable        
Borrowings     $ 2,037  
Notes payable        
Note payable        
Borrowings $ 2,000 $ 1,000    
Interest rate 5.10% 5.00%    
Interest Expense, Debt     $ 30 $ 0
Notes Payable       $ 0