CONSOLIDATED STATEMENTS OF CHANGES IN MEZZANINE EQUITY AND STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	ATM	Registered Direct Offering	CxApp	Grafiti Holdings	Common Stock	Common Stock ATM	Common Stock Registered Direct Offering	Common Stock CxApp	Additional Paid-In Capital	Additional Paid-In Capital ATM	Additional Paid-In Capital Registered Direct Offering	Additional Paid-In Capital CxApp	Additional Paid-In Capital Grafiti Holdings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Non-Controlling Interest	Series 4 Convertible Preferred Stock Preferred Stock	Series 5 Convertible Preferred Stock Preferred Stock	Series 7 Preferred Stock	Series 7 Preferred Stock Preferred Stock	Series 7 Preferred Stock Additional Paid-In Capital	Series 8 Preferred Stock	Series 8 Preferred Stock Preferred Stock	Series 8 Preferred Stock Additional Paid-In Capital
Beginning balance (in shares) at Dec. 31, 2021																			1			49,250			0
Beginning balance at Dec. 31, 2021																			$ 0			$ 44,695			$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
Series 8 Preferred stock issued for cash (in shares)																									53,198
Series 8 Preferred Stock issued for cash																									$ 41,577
Accrete Discount - Preferred Shares																						$ 4,555			13,090
Deemed dividend for the modification related to Series 8 Preferred Stock																									2,627
Deemed contribution for the modification related to Warrants issued in connection with Series 8 Preferred Stock																									(1,469)
Amortization premium - modification related to Series 8 Preferred Stock																									$ (2,627)
Preferred Stock redeemed for cash (in shares)																						(49,250)			(53,198)
Preferred stock redeemed for cash																						$ (49,250)			$ (53,198)
Ending balance (in shares) at Dec. 31, 2022																			1	126	0	0			0
Ending balance at Dec. 31, 2022																			$ 0	$ 0		$ 0			$ 0
Balance, beginning (in shares) at Dec. 31, 2021						17,302
Balance, beginning (in shares) at Dec. 31, 2021															(1)
Balance, beginning at Dec. 31, 2021	$ 83,491					$ 0				$ 332,763					$ (695)	$ 44	$ (250,309)	$ 1,688
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options and restricted stock awards granted to employees and consultants for services	3,656									3,656
Common shares issued for extinguishment of debt (in shares)						2,878
Common shares issued for extinguishment of debt	3,650									3,650
Common shares issued for ATM stock offerings (in shares)								2,531
Common shares issued for ATM stock offerings			$ 14,088									$ 14,088												$ 5,329		$ 5,329
Cumulative translation adjustment	1,019															1,017	(36)	38
Net loss	(66,304)																(63,394)	(2,910)
Changes in non-controlling interest due to capital contribution	0
Accrete Discount																					$ (4,555)		$ (4,555)	(13,090)		(13,090)
Deemed dividend for the modification related to Series 8 Preferred Stock																								(2,627)		(2,627)
Deemed contribution for the modification related to warrants issued in connection with Series 8 Preferred Stock																								1,469		1,469
Amortization premium - modification related to Series 8 Preferred Stock																								$ 2,627		$ 2,627
Restricted stock grants withheld for taxes (in shares)						(128)
Restricted stock grants withheld for taxes	0									(336)
Common shares issued for CXApp earnout (in shares)									1,450
Common shares issued for CXApp earnout				$ 3,697									$ 3,697
Common shares issued for exchange of warrants (in shares)						1,842
Common shares issued for net proceeds from warrants (in shares)						9,310
Common shares issued for net proceeds from warrants	$ 1									1
Common shares issued for share rights (in shares)						525
Balance, ending (in shares) at Dec. 31, 2022	35,709					35,710
Balance, ending at Dec. 31, 2022	$ 32,115					$ 0				346,672					$ (695)	1,061	(313,739)	(1,184)
Balance, ending (in shares) at Dec. 31, 2022	(1)														(1)
Ending balance (in shares) at Dec. 31, 2023																			1	126	0
Ending balance at Dec. 31, 2023																			$ 0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options and restricted stock awards granted to employees and consultants for services	$ 1,003									1,003
Common shares issued for extinguishment of debt (in shares)						605,159
Common shares issued for extinguishment of debt	9,193					$ 1				9,192
Deconsolidation as a result of spin off				$ (24,230)	$ (237)								$ (24,230)	$ (237)
Warrant inducement expense	3,361									3,361
Common shares issued for exercise of warrants (in shares)						581,311
Common shares issued for exercise of warrants	5,076					$ 1				5,075
Common shares issued for ATM stock offerings (in shares)							703,756
Common shares issued for ATM stock offerings		$ 26,508					$ 1				$ 26,507
Cumulative translation adjustment	(422)															(431)	(12)	21
Net loss	(47,100)																(45,947)	(1,153)
Changes in non-controlling interest due to capital contribution	1,461									(1,245)								2,706
Changes in non-controlling interest due to capital contribution	1,461
Common shares issued for exchange of warrants (in shares)						3,249
Common shares issued for net proceeds from warrants (in shares)						13,800
Common shares issued for net proceeds from warrants	$ 1									1
Balance, ending (in shares) at Dec. 31, 2023	1,942,984					1,942,985
Balance, ending at Dec. 31, 2023	$ 6,729					$ 3				$ 366,099					$ (695)	$ 630	$ (359,698)	$ 390
Balance, ending (in shares) at Dec. 31, 2023	(1)														(1)