CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' (DEFICIT) EQUITY - USD ($) shares in Thousands, $ in Thousands	Series A Preferred Stocks [Member]	Common Stock [Member]	Treasury Stock, Common [Member]	AOCI Attributable to Parent [Member]	Additional Paid-in Capital [Member]	Stock Subscription Receivble [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2023		$ 18	$ (362)	$ (43)	$ 101,049		$ (110,217)	$ (9,555)
Beginning Balance, shares at Dec. 31, 2023		1,848
Beginning Balance, shares at Dec. 31, 2023								1
Stock-based compensation expense					343			$ 343
Public stock offering, net of fees		$ 70			9,731			9,801
Public stock offering, net of fees, shares		7,009
Issuance of common stock to reduce notes payable					200			200
Issuance of common stock to reduce notes payable, shares		52
Issuance of preferred stock to reduce notes payable	$ 9,275							9,275
Issuance of preferred stock to reduce notes payable, shares	9
Issuance of common stock and warrants associated with warrant inducement		$ 6			841			847
Issuance of common stock and warrants associated with warrant inducement, shares		555
Issuance of common stock and warrants, net of fees		$ 13			2,606			2,619
Issuance of common stock and warrants, net of fees, shares		1,349
Exchange of Series A preferred stock for common stock	$ (6,734)	$ 27	0	0	6,707	0	0	0
Exchange of Series A preferred stock for common stock, shares	(6)
Exchange of Series A preferred stock for common stock, shares		2,637
Issuance of common stock in exchange for minority interest in company		$ 1			99			100
Issuance of common stock in exchange for minority interest in company, shares		59
Issuance of common stock to settle vendor payable		$ 6			354			360
Issuance of common stock to settle vendor payable, shares		574
Issuance of common stock associated with entry into Stand by Equity Purchase Agreement (“SEPA”)		$ 3			(1)			2
Issuance of common stock associated with entry into SEPA, shares		310
Issuance of common stock for advance on SEPA, net of fees		$ 12			2,027	(1,872)		167
Issuance of common stock for advance on SEPA, net of fees, shares		1,196
Redemption of preferred stock	(119)							(119)
Issuance of preferred stock for payment of preferred return	$ 781				(782)			(1)
Issuance of preferred stock for payment of preferred return, shares	1
Amortization of preferred stock exchange premium	$ 624	0	0	0	(624)	0	0	0
Issuance of common stock through employee stock purchase plan					2			2
Issuance of common stock through employee stock purchase plan, shares		2
Net loss							(7,790)	(7,790)
Ending balance, value at Dec. 31, 2024	$ 3,827	$ 156	(362)	(43)	122,552	(1,872)	(118,007)	$ 6,251
Ending Balance, shares at Dec. 31, 2024	4	15,591
Ending Balance, shares at Dec. 31, 2024								1
Stock-based compensation expense					1,081			$ 1,081
At-the-market (“ATM”) offering fees					(124)			(124)
Issuance of common stock to reduce notes payable		$ 6			531			537
Issuance of common stock to reduce notes payable, shares		553
Registered direct offering, net of fees		$ 24			7,002			7,026
Registered direct offering, net of fees, shares		2,459
Exchange of Series A preferred stock for common stock	$ (3,946)	$ 13			3,933
Exchange of Series A preferred stock for common stock, shares	(4)
Exchange of Series A preferred stock for common stock, shares		1,293
Redemption of preferred stock	$ (187)							(187)
Vesting of restricted stock		$ 2			(2)
Vesting of restricted stock, shares		202
Issuance of preferred stock for payment of preferred return	2				(2)
SEPA proceeds, net of fees					(143)	1,872		1,729
Amortization of preferred stock exchange premium	304				(304)
Issuance of common stock through employee stock purchase plan					23			23
Issuance of common stock through employee stock purchase plan, shares		19
Net loss							(9,059)	(9,059)
Ending balance, value at Dec. 31, 2025		$ 201	$ (362)	$ (43)	$ 134,547		$ (127,066)	$ 7,277
Ending Balance, shares at Dec. 31, 2025		20,117
Ending Balance, shares at Dec. 31, 2025								1

INTRUSION INC 10-K