Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Income Tax Expense (Benefit)) (Details)

v3.20.2
Income Taxes (Reconciliation of Income Tax Expense (Benefit)) (Details) - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Expense (Benefit) [Line Items]        
Amount, Income tax benefit at U.S. federal statutory rates $ (4,210,916) $ (2,587,472)    
Amount, State income tax benefit, net of federal benefits (326,045) (200,385)    
Amount, Non-deductible expenses - other 114,699 8,171    
Amount, Effect of foreign income tax rates 238,645 67,637    
Amount, Effect of global intangible low-taxed income 143,219 99,514    
Amount, Other 54,689 51,490    
Amount, Change in valuation allowance 4,244,531 2,199,131    
Income tax expense (benefit) $ (1,078,441) $ (303,933)    
Tax Rate, Income tax benefit at U.S. federal statutory rates 21.00% 21.00% 21.00% 35.00%
Tax Rate, State income tax benefit, net of federal benefits 1.60% 1.60%    
Tax Rate, Non-deductible expenses - other (0.60%) (0.10%)    
Tax Rate, Effect of foreign income tax rates (1.20%) (0.50%)    
Tax Rate, Effect of global intangible low-taxed income (0.70%) (0.80%)    
Tax Rate, Other (0.20%) (0.40%)    
Tax Rate, Change in valuation allowance (21.20%) (17.80%)    
Income tax benefit 5.40% 2.50%    
State [Member]        
Income Tax Expense (Benefit) [Line Items]        
Amount, Effect of change in tax rate   $ 57,981    
Tax Rate, Effect of change in tax rate   (0.50%)    
U.K. [Member]        
Income Tax Expense (Benefit) [Line Items]        
Amount, Effect of change in tax rate $ (1,337,263)      
Tax Rate, Effect of change in tax rate 6.70%