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Stockholders’ equity (Details) - Schedule of Summarizes the Status of Our Outstanding and Exercisable Options and Related Transactions - USD ($)
6 Months Ended
Dec. 31, 2023
Jun. 30, 2024
Schedule of Stock Options Activity [Abstract]    
Options awards outstanding, Ending balance 72,000 63,000
Options awards outstanding, weighted average exercise price, Ending balance $ 258.55 $ 264.14
Options awards outstanding, Ending aggregate intrinsic value
Options awards outstanding, Ending Weighted Average Remaining Contractual Life (in Years) 3 years 2 years 10 months 24 days
Options awards exercisable, Ending balance 73,000 64,000
Options awards exercisable, weighted average exercise price, Ending balance $ 258.46 $ 264.02
Options awards exercisable, Aggregate Intrinsic Value, Ending balance
Options awards exercisable, Ending Weighted Average Remaining Contractual Life (in Years) 3 years 2 years 10 months 24 days
Options awards outstanding, Expired   (9,000)
Options awards outstanding Weighted Average Exercise Price, Expired   $ 217.57