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Long-term Debt (Tables)
9 Months Ended
Sep. 30, 2020
Debt Disclosure [Abstract]  
Schedule of Long-term Debt
As of September 30, 2020 and December 31, 2019, long-term debt consisted of the following (in thousands):

September 30,December 31,
20202019
PPP Loan - 1% interest
$4,803 $— 
Other Loans - various interest736 — 
Total debt5,539 — 
Current portion of long-term debt511 — 
Long-term debt$5,028 $— 
Schedule of Maturities of Future Principal Obligations
The following presents maturities of future principal obligations of long-term debt as of September 30, 2020 (in thousands):

Remainder of 2020$76 
2021825 
20221,604 
20231,291 
20241,304 
Thereafter439 
Total$5,539