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Debt Recapitalization and Debt- Outstanding Stock Rollforward (Details) - shares
6 Months Ended
Jul. 31, 2017
Jul. 28, 2017
Jun. 30, 2017
Related Party Transaction [Line Items]      
Outstanding Shares of Common Stock on July 31, 2017 prior to the Debt Recapitalization (in shares)     36,455,000
Outstanding Shares of Common Stock on July 31, 2017 after the Debt Recapitalization (in shares)     36,535,000
Subsequent Event      
Related Party Transaction [Line Items]      
Outstanding Shares of Common Stock on July 31, 2017 prior to the Debt Recapitalization (in shares)   36,534,840  
Shares of common stock issued in connection with the SRS Note Exchange (in shares) 7,326,000 7,326,000  
Outstanding Shares of Common Stock on July 31, 2017 after the Debt Recapitalization (in shares)   36,149,323  
Subsequent Event | Main Street Capital Corporation      
Related Party Transaction [Line Items]      
Shares of common stock returned in connection with the Main Street Payoff (in shares) (7,711,517) (7,711,517)