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Debt Long-term debt (Tables)
6 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Long-term debt consisted of the following:

 
June 30,
2019
 
December 31,
2018
2018 term note
$

 
$
21,938

Line of credit
2,000

 
5,000

Mortgage loan

 
2,597

Total long-term debt
2,000

 
29,535

Less debt issuance costs for 2018 term note (a)

 
170

Total long-term debt less debt issuance costs
2,000

 
29,365

Less amounts classified as current
2,000

 
9,928

Long-term debt, excluding current portion
$

 
$
19,437


(a)- As of December 31, 2018, debt issuance costs classified as current and long-term are $60 and $110, respectively.