Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies Narrative (Details)

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Commitments and Contingencies Narrative (Details) - USD ($)
Jan. 12, 2018
Jan. 12, 2018
Mar. 31, 2017
Jun. 30, 2018
Dec. 31, 2017
Oct. 21, 2016
Debt Instrument [Line Items]            
Term loan, at face value       $ 10,000,000 $ 8,000,000  
Accrued prepayment fee       800,000    
ESW Holdings, Inc.            
Debt Instrument [Line Items]            
Term loan, at face value $ 10,000,000 $ 10,000,000        
Debt instrument, basis spread on variable rate   4.00%        
Debt instrument, prepayment fee, percentage   10.00%        
Long-term debt, fair value       $ 8,000,000    
Hale Capital, LLP            
Debt Instrument [Line Items]            
Term loan, at face value $ 8,000,000 $ 8,000,000       $ 8,000,000
Debt instrument, covenant threshold, percentage     10.00%      
Debt instrument, basis spread on variable rate 6.00%