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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Sep. 30, 2016
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2016
Sep. 29, 2016
Aug. 31, 2011
Interest expense related debt           $ 319 $ 43 $ 59    
Goodwill impairment   $ 3,300       $ 4,697    
Property held for sale $ 1,600 $ 385 $ 1,500 $ 2,200 $ 1,400          
Equity method investment, ownership percentage   51.00%         51.00%   31.00%  
Equity method investment, additional information           Investments in companies in which the Company owns less than a 20% interest, or where the Company does not exercise significant influence, are accounted for at cost and reviewed for any impairment.        
Carrying value of the cost-method investment   $ 0         $ 0      
Cost-method investments, other than temporary impairment             $ 0      
Antidilutive securities             0 72,400    
Convertible debt 0 0     500 $ 0 $ 0 $ 500    
Debt instrument, convertible, conversion price                   $ 10.00
Available-for-sale securities $ 760 $ 80       760 80      
Convertible Debt [Member]                    
Dilutive convertible debentures           0 900 500    
Drink Robust, Inc. [Member]                    
Carrying value of the cost-method investment         $ 1,200     1,200    
Cost-method investments, other than temporary impairment             1,200      
Drink Robust, Inc. [Member]                    
Noncontrolling interest, ownership percentage by parent                 20.00%  
SOB Licenses [Member]                    
Impairment charges           $ 3,100 $ 1,400 $ 2,100    
Minimum [Member]                    
Equity method investment, ownership percentage 20.00%         20.00%        
Debt instrument, convertible, conversion price         $ 10.00     $ 10.00    
Maximum [Member]                    
Equity method investment, ownership percentage 50.00%         50.00%        
Debt instrument, convertible, conversion price         $ 12.50     $ 12.50    
Buildings [Member] | Minimum [Member]                    
Property, plant and equipment, useful life           29 years        
Buildings [Member] | Maximum [Member]                    
Property, plant and equipment, useful life           40 years        
Furniture and Equipment [Member] | Minimum [Member]                    
Property, plant and equipment, useful life           5 years        
Furniture and Equipment [Member] | Maximum [Member]                    
Property, plant and equipment, useful life           7 years