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Financing Agreements (Tables)
 12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]  
Schedule of Notes Payable

Notes payable consisted of the following (in thousands):

 

 

 

December 31, 2017

 

 

 

2016

 

 

2017

 

Notes payable

 

$

12,000

 

 

$

—

 

Unamortized debt issuance costs

 

 

(321

)

 

 

—

 

Current maturities of term note

 

 

(667

)

 

 

—

 

Total notes payable, net of current maturities

 

$

11,012

 

 

$

—