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Debt Long-term debt (Tables)
3 Months Ended
Mar. 31, 2019
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Long-term debt consisted of the following:
 
March 31,
2019
 
December 31,
2018
2018 term notes
$
21,938

 
$
21,938

Line of credit
5,000

 
5,000

Mortgage loan
2,551

 
2,597

Total long-term debt
29,489

 
29,535

Less debt issuance costs for 2018 term note(a)
155

 
170

Total long-term debt less debt issuance costs
$
29,334

 
$
29,365

Less amounts classified as current
10,585

 
9,928

Long-term debt, excluding current portion
$
18,749

 
$
19,437


(a)- Debt issuance costs classified as current and long-term are $60 and $95, respectively.