CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Common Shares Outstanding	Capital in Excess of Par Value	Accumulated Deficit	Total
Beginning balance at Dec. 31, 2023		$ 370,297	$ (378,707)	$ (8,410)
Beginning balance (in shares) at Dec. 31, 2023	839
Stock issued in connection with licensing arrangement		100		100
Stock issued in connection with licensing arrangement (in shares)	4
Equity-based compensation		181		181
Stock issued in connection with warrant exercises		2,245		2,245
Stock issued in connection with warrant exercises (in shares)	246
Stock issued in connection with RSU vesting, net of 1 shares withheld for taxes		(1)		(1)
Stock issued in connection with RSU vesting, net of 1 shares withheld for taxes (in shares)	4
Fractional shares issued for reverse stock split	39
Net loss			(5,739)	(5,739)
Ending balance at Mar. 31, 2024		372,822	(384,446)	(11,624)
Ending balance (in shares) at Mar. 31, 2024	1,132
Beginning balance at Dec. 31, 2023		370,297	(378,707)	(8,410)
Beginning balance (in shares) at Dec. 31, 2023	839
Net loss				(6,851)
Ending balance at Jun. 30, 2024		384,603	(385,558)	(955)
Ending balance (in shares) at Jun. 30, 2024	2,964
Beginning balance at Mar. 31, 2024		372,822	(384,446)	(11,624)
Beginning balance (in shares) at Mar. 31, 2024	1,132
Stock issued in connection with settled indebtedness		1,192		1,192
Stock issued in connection with settled indebtedness (in shares)	226
Stock issued upon conversion of Senior Secured Credit Facility		2,756		2,756
Stock issued upon conversion of Senior Secured Credit Facility (in shares)	510
Equity-based compensation		56		56
Stock issued in connection with warrant exercises (in shares)	86
Stock issued in connection with capital raise, net of issuance costs of $324		3,913		3,913
Stock issued in connection with capital raise, net of issuance costs of $324 (in shares)	639
Stock issued for extinguishment of Subordinated Note		3,864		3,864
Stock issued for extinguishment of Subordinated Note (in shares)	371
Net loss			(1,112)	(1,112)
Ending balance at Jun. 30, 2024		384,603	(385,558)	(955)
Ending balance (in shares) at Jun. 30, 2024	2,964
Beginning balance at Dec. 31, 2024		397,883	(393,871)	4,012
Beginning balance (in shares) at Dec. 31, 2024	31,727
Stock issued in connection with settled indebtedness		270		270
Stock issued in connection with settled indebtedness (in shares)	2,450
Stock issued in connection with licensing arrangement		230		230
Stock issued in connection with licensing arrangement (in shares)	2,078
Stock issued upon conversion of Senior Secured Credit Facility		3,132		3,132
Stock issued upon conversion of Senior Secured Credit Facility (in shares)	22,549
Conversion option remeasurement (Note 6)		283		283
Equity-based compensation		26		26
Stock issued in connection with warrant exercises (in shares)	60,025
Net loss			(4,328)	(4,328)
Ending balance at Mar. 31, 2025		401,824	(398,199)	3,625
Ending balance (in shares) at Mar. 31, 2025	118,829
Beginning balance at Dec. 31, 2024		397,883	(393,871)	4,012
Beginning balance (in shares) at Dec. 31, 2024	31,727
Conversion option remeasurement (Note 6)				283
Net loss				(7,735)
Ending balance at Jun. 30, 2025		407,236	(401,606)	5,630
Ending balance (in shares) at Jun. 30, 2025	458,650
Beginning balance at Mar. 31, 2025		401,824	(398,199)	3,625
Beginning balance (in shares) at Mar. 31, 2025	118,829
Stock issued in connection with settled indebtedness		230		230
Stock issued in connection with settled indebtedness (in shares)	8,696
Equity-based compensation		107		107
Stock issued from alternative cashless warrant exercises (in shares)	297,870
Stock issued in connection with warrant exercises		5,075		5,075
Stock issued in connection with warrant exercises (in shares)	76,100
Fractional shares issued for reverse stock split	113,709
Net loss			(3,407)	(3,407)
Shares held in abeyance (in shares)	(156,554)
Ending balance at Jun. 30, 2025		$ 407,236	$ (401,606)	$ 5,630
Ending balance (in shares) at Jun. 30, 2025	458,650

22nd Century Group, Inc. 10-Q