Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.10.0.1
Subsequent Events (Details) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Oct. 30, 2018
Dec. 31, 2018
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2018
Oct. 31, 2018
Sep. 01, 2017
Subsequent Event [Line Items]                  
Net sales     $ 11,105,000 $ 5,008,000 $ 31,945,000 $ 7,420,000      
Secured Debt | Term Loan | Line of Credit | CRG Servicing LLC                  
Subsequent Event [Line Items]                  
Minimum revenue covenant, amount                 $ 61,000,000.0
Remaining borrowing capacity     $ 0   $ 0        
Secured Debt | Term Loan | Line of Credit | CRG Servicing LLC | Subsequent Event                  
Subsequent Event [Line Items]                  
Draw down from line of credit $ 0                
Remaining borrowing capacity               $ 0  
Scenario, Forecast | Secured Debt | Term Loan | Line of Credit | CRG Servicing LLC                  
Subsequent Event [Line Items]                  
Minimum revenue covenant, principal repayment amount   $ 38,000,000.0              
Minimum revenue covenant, prepayment penalty amount   $ 51,000,000.0              
Scenario, Forecast | Minimum                  
Subsequent Event [Line Items]                  
Net sales             $ 42,000,000.0    
Scenario, Forecast | Maximum                  
Subsequent Event [Line Items]                  
Net sales             $ 47,000,000.0