Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Operating Leases (Details)

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Leases - Schedule of Operating Leases (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Operating lease assets $ 2,320
Current operating lease liabilities 526
Noncurrent operating lease liabilities 1,899
Total lease liabilities 2,425  
Operating Lease Assets [Member]    
Operating lease assets 2,320  
Other Accrued Expenses [Member]    
Current operating lease liabilities 526  
Operating Lease Liabilities [Member]    
Noncurrent operating lease liabilities $ 1,899