Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Narrative) (Details)

v3.19.1
Basis of Presentation (Narrative) (Details) - USD ($)
6 Months Ended 12 Months Ended
Mar. 31, 2019
Sep. 30, 2018
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Line Items]    
Restricted cash $ 0 $ 135,000
Stock issuance costs incurred   190,000
Unearned revenue   187,159
Total assets 51,012,054 48,452,639
Cumulative foreign currency translation gain (loss) (600,000) (600,000)
Performance Bond [Member]    
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Line Items]    
Restricted cash 250,000  
Outside United States [Member]    
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Line Items]    
Total assets $ 5,000,000 $ 5,200,000
Minimum [Member]    
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Line Items]    
Credit terms 30 days  
Maximum [Member]    
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Line Items]    
Credit terms 120 days