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STOCKHOLDERS' EQUITY - Stock Based Compensation - Summary of Plans (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2019
Restricted stock and RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	1,001,770		1,001,770
Restricted stock
STOCKHOLDERS' EQUITY
Number of shares outstanding	738,695	727,140	738,695	727,140	738,695	727,140	727,140	712,560
Number of shares granted			154,390	151,180
Vesting period			5 years
RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	263,075	256,740	263,075	256,740	172,000	256,740	168,490	248,112
Number of shares granted	91,075	88,250	91,075	88,250
Vesting period			3 years
2025 Incentive Plan
STOCKHOLDERS' EQUITY
Maximum number of shares authorized for issuance	750,000		750,000
2025 Incentive Plan \| Restricted stock and RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	91,075		91,075
2025 Incentive Plan \| RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	91,075		91,075
2022 Incentive Plan
STOCKHOLDERS' EQUITY
Maximum number of shares authorized for issuance									750,000
Remaining shares which may be granted under the Plan	0		0
2022 Incentive Plan \| Restricted stock and RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	623,970		623,970
2022 Incentive Plan \| Restricted stock
STOCKHOLDERS' EQUITY
Number of shares outstanding	451,970		451,970
2022 Incentive Plan \| RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	172,000		172,000
2019 Incentive Plan
STOCKHOLDERS' EQUITY
Maximum number of shares authorized for issuance										750,000
Remaining shares which may be granted under the Plan	0		0
2019 Incentive Plan \| Restricted stock and RSUs
STOCKHOLDERS' EQUITY
Number of shares outstanding	286,725		286,725
2019 Incentive Plan \| Restricted stock
STOCKHOLDERS' EQUITY
Number of shares outstanding	286,725		286,725