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NOTES PAYABLE AND COMMITMENTS AND CONTINGENCIES - Earnout liability (Details) - USD ($) |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Feb. 09, 2024 | Jun. 30, 2025 | Dec. 31, 2024 | Aug. 09, 2024 | Jun. 30, 2024 | Jun. 30, 2023
NOTES PAYABLE AND COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |
Common stock, par value (in dollars per share) |  | $ 0.0001 | $ 0.0001 |  | $ 0.0001 | $ 0.0001
Threshold period from Closing to achieve milestones considered for issuance of Earn Out Shares |  | 18 months |  |  |  |
Period for measurement of revenue targets (in years) |  | 5 years |  |  |  |
Earnout - liability |  | $ 11,369,000 |  |  | $ 12,298,000 |
Atlas FinTech |  |  |  |  |  |
NOTES PAYABLE AND COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  | $ 0.0001 |  |
Earn Out Shares, maximum shares issuable to stockholders (in shares) |  | 5,944,444 |  |  |  |
Threshold period from Closing to achieve milestones considered for issuance of Earn Out Shares |  | 18 months |  |  |  |
Software Products Earn Out Shares, maximum amount of shares issuable to stockholders |  | $ 20,000,000 |  |  |  |
Period for measurement of revenue targets (in years) |  | 5 years |  |  |  |
ATLASCLEAR, INC |  |  |  |  |  |
NOTES PAYABLE AND COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |  |  |  |
Earn Out Shares, maximum shares issuable to stockholders (in shares) | 5,944,444 | 5,944,444 |  |  |  |
Threshold period from Closing to achieve milestones considered for issuance of Earn Out Shares | 18 months |  |  |  |  |
Software Products Earn Out Shares, maximum amount of shares issuable to stockholders |  | $ 20,000,000 |  |  |  |
ATLASCLEAR, INC | Pre Reverse Split |  |  |  |  |  |
NOTES PAYABLE AND COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |
Shares issued as purchase consideration for the assets (in shares) | 4,440,000 |  |  |  |  |
ATLASCLEAR, INC | Post Reverse Split |  |  |  |  |  |
NOTES PAYABLE AND COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |
Shares issued as purchase consideration for the assets (in shares) | 74,000 | 74,000 |  |  |  |
ATLASCLEAR, INC | Atlas FinTech |  |  |  |  |  |
NOTES PAYABLE AND COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |
Software Products Earn Out Shares, maximum amount of shares issuable to stockholders | $ 20,000,000 |  |  |  |  |
Period for measurement of revenue targets (in years) | 5 years |  |  |  |  |

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