Quarterly report pursuant to Section 13 or 15(d)

Schedule of Research and Development Costs (Details)

v3.23.2
Schedule of Research and Development Costs (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Research and development expense $ 427,457 $ 164,810 $ 616,542 $ 623,261
UNITED STATES        
Research and development expense 87,625 80,290 223,531 154,821
SPAIN        
Research and development expense 272,564 18,774 273,539 347,604
CHINA        
Research and development expense 14,090 16,860 14,090 17,720
NETHERLANDS        
Research and development expense $ 53,178 $ 48,886 $ 105,382 $ 103,116