Loans payable - Bank Loans (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Loans payable
Short term	$ 5,770,603	$ 2,200,892
Long term	90,230,173	51,017,743
Total, net	96,000,776	53,218,635
Unamortized capitalized financing costs	3,054,531	2,794,166
Total	99,055,307	56,012,801
TMS device loans
Loans payable
Short term	58,206	141,066
Long term	2,073	60,279
Total, net	60,279	201,345
Total	60,279	201,345
Credit Facility
Loans payable
Short term	3,049,217	2,038,732
Long term	80,894,419	50,812,233
Total, net	83,943,636	52,850,965
Unamortized capitalized financing costs	2,880,119	2,794,166
Total	86,823,755	55,645,131
Promissory Notes
Loans payable
Short term	1,063,180	21,094
Long term	5,733,681	145,231
Total, net	6,796,861	166,325
Unamortized capitalized financing costs	174,412
Total	6,971,273	166,325
Neuronetics Note
Loans payable
Short term	1,600,000
Long term	3,600,000
Total, net	5,200,000
Total	$ 5,200,000	$ 0