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Incentive stock plans and stock-based compensation (Details) - Newly appointed director [Member] - Stock Awards [Member] - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 13, 2019
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Incentive stock plans and stock-based compensation (Details) [Line Items]          
Stock awards, Granted (in Shares) 100,000        
Vesting period for plan 3 years        
Share price of stock awards granted (in Dollars per share) $ 0.42        
Compensation expense   $ 0 $ 3,000 $ 1,750 $ 10,300