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Restricted Cash
 9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Restricted Cash [Abstract]    
Restricted Cash
(2)

RESTRICTED CASH

Cash and cash equivalents that are restricted as to withdrawal or use under the terms of certain contractual agreements are recorded in Restricted Cash on the balance sheets. Restricted cash does not include required minimum balances.

 

Cash, cash equivalents, and restricted cash balances were as follows:

 

(in thousands)    September 30,
2019		      December 31,
2018		  

Cash and cash equivalents

    $ 15,334      $ 2,516  

Letters of credit

      131        1,012  

Security for credit cards

      50        50  
  

 

 

     

 

 

  

Total cash, cash equivalents and restricted cash shown in the statements of cash flows

    $ 15,515      $ 3,578  
  

 

 

     

 

 

  
(4)

RESTRICTED CASH

Cash and cash equivalents that are restricted as to withdrawal or use under the terms of certain contractual agreements are recorded in Restricted Cash on the balance sheet. Restricted cash does not include required minimum balances.

 

(in thousands)    December 31,
2018		      December 31,
2017		  

Cash and cash equivalents

    $ 2,516      $ 3,999  

Convertible Notes

      —        238  

Letters of credit

      1,012        1,012  

Security for credit cards

      50        75  
  

 

 

     

 

 

  

Total cash, cash equivalents and restricted cash shown in the statement of cash flows

    $ 3,578      $ 5,324