September 30, 

December 31, 

2019

2018

Term loan agreements

$

9,813

$

3,828

Revolving credit facility

3,750

 —

Equipment financing agreements

475

752

Promissory notes

 —

6,250

Total long-term debt

14,038

10,830

Less: current portion of long-term debt

(1,076)

(3,201)

Less: debt issuance costs

(707)

(32)

Less: discounts on warrants, net

 —

(479)

Total long-term debt, net of current portion

$

12,255

$

7,118