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Debt (Tables)
12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of Interest Expense
The following table summarizes the Company’s interest expense:
Twelve Months Ended December 31,
202020192018
Convertible Senior Notes
Amortization of debt issuance costs$— $285 1,294 
Interest on borrowings— 363 1,578 
Additional interest on default— — 191 
2019 Revolving Credit Facility
Amortization of debt issuance costs52 — 
Commitment fee— 
Interest on borrowings202 — 
Capital leases— — 964 
Other*218 691 884 
Total $476 $1,355 $4,911 
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*    Mainly finance leases’ related interest expense.