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Subsequent Event (Details) - USD ($)
May 01, 2019
Mar. 31, 2019
Mar. 01, 2019
Dec. 31, 2018
Subsequent Event [Line Items]        
Common stock shares authorized (in shares)   40,000,000 60,000,000 40,000,000
Second Amendment | Revolving Credit Facility | Line of Credit | Subsequent Event        
Subsequent Event [Line Items]        
Eligible uninvoiced receivables sub limit $ 2,500,000      
Days after merger 3 days      
Fee amount $ 1,000