Disaggregation of Revenue - Contract balances (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Assets
Trade receivables, net	$ 24,999	$ 12,499
Liabilities
Contracted liabilities - long term	443,000	447,500
Contract liabilities
Opening	447,500	351,000
Additions		450,000
Transfer to revenue	(4,500)	(353,500)
Ending	$ 443,000	$ 447,500