Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)

v3.19.3.a.u2
Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2019
USD ($)
customer
Dec. 31, 2018
USD ($)
customer
Sep. 30, 2019
USD ($)
customer
Change in allowance for doubtful accounts | $ $ 0 $ 0  
Minimum [Member]      
Credit terms 30 days    
Maximum [Member]      
Credit terms 120 days    
Assets, Current [Member]      
Concentration risk, percentage 11.00%    
Number of Customers 1   0
Accounts Receivable [Member]      
Concentration risk, percentage 87.00%   64.00%
Number of Customers 3   2
Total Revenue [Member]      
Concentration risk, percentage 86.00% 77.00%  
Number of Customers 3 3  
Brazil [Member]      
Credit terms 180 days    
Long term trade receivable | $     $ 300,000