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Stock-based Compensation (Narrative) (Details) - USD ($)
9 Months Ended
Mar. 19, 2019
Jun. 01, 2018
Sep. 30, 2020
Sep. 30, 2019
Jun. 30, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Options to purchase, Granted (in shares)     444,750    
Options cancelled to purchase common stock     187,025    
Stock-based compensation expense     $ 258,000 $ 210,000  
David Ludwig And Tom Ludwig [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Restricted common stock granted   600,000      
Napier Park [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Warrants received to acquire shares of common stock with fair market value $ 71,368       $ 0
Incremental amount in excess of cumulative gross profit 500,000        
Cumulative gross profit of warrants $ 2,500,000        
Options [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation expense     300,000    
Unrecognized stock-based compensation     $ 500,000    
Unrecognized stock-based compensation, Period for recognition     3 years 1 month 6 days    
Restricted Stock [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation expense     $ 38,700    
Weighted average grant date fair value     $ 0.43    
Unrecognized stock-based compensation expense     $ 100,000    
Restricted Stock [Member] | David Ludwig And Tom Ludwig [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Shares restriction term of service   5 years      
Employees [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Options to purchase, Granted (in shares)     344,750    
Non-Employee Directors [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Options to purchase, Granted (in shares)     85,000    
Outside Consultant [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Options to purchase, Granted (in shares)     15,000