Annual report pursuant to Section 13 and 15(d)

Lease Obligations - Narrative (Details)

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Lease Obligations - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Aug. 31, 2015
Dec. 31, 2018
Dec. 31, 2017
Debt Instrument [Line Items]      
Term of lease   5 years  
Renewal term of lease   5 years  
Selling and marketing expense   $ 175  
Long term debt   5,106  
Rent expense   719 $ 486
Operating leases due in 2019   541  
Operating leases due in 2020   554  
Operating leases due in 2021   566  
Operating leases due in 2022   262  
Operating leases due in 2023   0  
Total minimum payments   $ 1,923  
Capital lease      
Debt Instrument [Line Items]      
Long term debt $ 166    
Interest rate 4.70%    
Minimum monthly payments $ 3