Quarterly report pursuant to Section 13 or 15(d)

Debt (Detail)

v3.10.0.1
Debt (Detail) - USD ($)
Dec. 31, 2018
Sep. 30, 2018
Debt Instrument [Line Items]    
Long-term debt $ 59,553,000 $ 63,264,000
Deferred debt issuance costs (337,000) (362,000)
Debt discount (12,000) (14,000)
Current maturities of long-term debt (14,836,000) (14,773,000)
Long-term debt, net of current maturities 44,368,000 48,115,000
Compass Term Loan    
Debt Instrument [Line Items]    
Debt instrument, face amount 72,000,000.0  
Long-term debt 53,700,000 57,300,000
Compass Revolving Credit Facility    
Debt Instrument [Line Items]    
Line of credit, maximum borrowing capacity 30,000,000.0  
Long-term debt 5,000,000 5,000,000
Other long-term debt    
Debt Instrument [Line Items]    
Long-term debt $ 853,000 $ 964,000