Quarterly report pursuant to Section 13 or 15(d)

Description of Business - Goldline Acquisition (Details)

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Description of Business - Goldline Acquisition (Details)
3 Months Ended 12 Months Ended
Sep. 30, 2017
USD ($)
Aug. 28, 2017
USD ($)
Sep. 30, 2017
USD ($)
$ / shares
Sep. 30, 2016
USD ($)
$ / shares
Jun. 30, 2017
Segment
Business Acquisition [Line Items]          
Number of Reportable Segments | Segment         2
Goldline, LLC          
Business Acquisition [Line Items]          
Purchase price   $ 10,000,000      
Fair value of the assets acquired   6,400,000      
Tangible assets   3,600,000      
Escrow deposit $ 0 1,500,000      
Revised purchase price   9,500,000      
Prepaid expense $ 500,000   $ 500,000    
Acquisition related costs   700,000 500,000    
Pro forma revenue     2,166,054,000 $ 1,842,528,000  
Pro forma net income     $ 216,000 $ 2,290,000  
Pro from dilutive earnings per share | $ / shares     $ 0 $ 0  
Liabilities incurred for the acquisition   $ 7,500,000      
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ / shares     $ 0 $ 0