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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenue Recognition (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Revenue Recognition
Membership fee			$ 275
Percentage of bonus shares that the members are entitled			10.00%
Term of contract with customers			1 year
Deferred revenue	$ 3,700,208		$ 3,700,208		$ 3,569,450
Contract asset	0		0
Total revenues	44,232,043	$ 39,810,718	$ 69,281,734	$ 70,175,075
Revenue, Practical Expedient, Financing Component [true false]			false
Regulation Crowdfunding platform fees
Revenue Recognition
Revenue remaining performance obligation expected timing of satisfaction period			12 months
Total revenues	1,421,059	2,959,875	$ 3,389,181	4,170,295
Regulation A commissions
Revenue Recognition
Total revenues	629,793	248,632	923,411	2,250,406
StartEngine Premium
Revenue Recognition
Total revenues	556,600	777,540	694,600	1,591,435
StartEngine Secure
Revenue Recognition
Total revenues	309,483	308,813	627,958	657,083
StartEngine Private
Revenue Recognition
Total revenues	35,859,101	34,104,729	56,351,415	58,725,538
Venture Club revenue
Revenue Recognition
Total revenues	1,313,596	1,390,724	2,695,358	2,733,932
Vinovest
Revenue Recognition
Total revenues	3,960,026		4,232,267
Other service revenue
Revenue Recognition
Total revenues	$ 182,385	$ 20,405	$ 367,544	$ 46,386