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Stock Plans and Share-Based Payments (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2022
Sep. 30, 2021
Mar. 31, 2021
Sep. 30, 2021
May 07, 2019
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Income tax benefit $ 0        
Unrecognized compensation expense $ 2,200,000        
Unrecognized compensation expense, period for recognition 2 years 9 months 18 days        
SRP Equity Incentive Plan [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock-based compensation expense $ 0   $ 2,000    
Number of shares reserved and authorized for awards         150,000
Share-Based Payment Arrangement, Option [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock-based compensation expense 236,000   233,000    
Share-Based Payment Arrangement, Option [Member] | Selling, General and Administrative Expenses [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock-based compensation expense 223,000   222,000    
Share-Based Payment Arrangement, Option [Member] | Research and Development Expense [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock-based compensation expense 13,000   11,000    
Restricted Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock-based compensation expense 41,000   41,000    
Unrecognized compensation expense $ 131,000        
Unrecognized compensation expense, period for recognition 3 years        
Restricted Stock [Member] | Selling, General and Administrative Expenses [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock-based compensation expense $ 41,000   $ 41,000    
Employees [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Stock options granted 15,500        
Fair value of stock options granted $ 38,000        
Employees [Member] | Restricted Stock [Member]          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Shares, granted 0 168,000   168,000