Description of Business and Basis of Presentation - Additional Information (Details) - USD ($)				1 Months Ended	3 Months Ended				6 Months Ended
	Jun. 26, 2025	Nov. 13, 2024	Feb. 02, 2024	Jun. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 27, 2025	Feb. 10, 2025	Jan. 28, 2025	Dec. 31, 2024	Dec. 31, 2023	Aug. 22, 2023
Subsidiary, Sale of Stock [Line Items]
Loss from operations					$ 5,824,000		$ 7,882,000		$ 12,134,000	$ 17,322,000
Net cash used in operating activities									(5,743,000)	(5,160,000)
Accumulated deficit				$ 211,963,000	211,963,000				211,963,000					$ 202,586,000
Cash and cash equivalents				582,000	582,000				582,000					138,000
Minimum publicly held shares		500,000
Total outstanding debt, current				$ 9,979,000	$ 9,979,000				$ 9,979,000					$ 11,319,000
Reverse Stock Split rate description	1-for-10			1-for-10 reverse stock split and cash was paid for each fraction of a share held for a total of 73 shares
Common stock, par value				$ 0.0001	$ 0.0001				$ 0.0001					$ 0.0001
Common stock, shares Issued	14,091,197			1,409,044	1,409,044				1,409,044		1,409,047			140,210
Common stock, shares outstanding	14,091,197			1,409,044	1,409,044				1,409,044		1,409,047			140,210
Stockholders' equity				$ 16,274,000	$ 16,274,000	$ 13,756,000	413,000	$ (2,942,000)	$ 16,274,000	$ 413,000				$ 7,115,000	$ (5,552,000)
Issuance of shares upon conversion, value					4,225,000	$ 5,799,000	$ 1,084,000	$ 866,000
Related fees					100,000				100,000
Binding Transaction Agreement | Sportstech
Subsidiary, Sale of Stock [Line Items]
Percentage acquisition of stake												99.80%
Capital increment through contribution												$ 15,000,000
Optional Investment A | Binding Transaction Agreement | Sportstech
Subsidiary, Sale of Stock [Line Items]
Capital increment through contribution												10,000,000
EU-sourced EBITDA earned value												3,500,000
Optional Investment B | Binding Transaction Agreement | Sportstech
Subsidiary, Sale of Stock [Line Items]
Capital increment through contribution												10,000,000
EU-sourced EBITDA earned value												5,500,000
Optional Investment C | Binding Transaction Agreement | Sportstech
Subsidiary, Sale of Stock [Line Items]
Capital increment through contribution												$ 20,000,000
Amended Agreement [Member]
Subsidiary, Sale of Stock [Line Items]
Issuance of common stock			1,500,000
Purchase price of asset acquisition			$ 16,100,000
Contingent consideration			1,300,000
Retirement of senior debt			9,400,000
Related fees			1,400,000
Cash payment of retirement of senior debt			1,400,000
Issuance of promissory note			$ 8,000,000
Amended Agreement [Member] | Series B Preferred Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Issuance of common stock upon conversion			36
Issuance of shares upon conversion, value			$ 3,000,000
Amended Agreement [Member] | Cash [Member]
Subsidiary, Sale of Stock [Line Items]
Purchase price of asset acquisition			30,000
ASU 205-40 [Member]
Subsidiary, Sale of Stock [Line Items]
Loss from operations									(12,100,000)
Net cash used in operating activities									5,700,000
Accumulated deficit				212,000,000	212,000,000				212,000,000
Cash and cash equivalents				100,000	100,000				100,000
Debt instrument aggregate outstanding amount				55,100,000	55,100,000				55,100,000
Debt obligations scheduled to mature over the next 12 months				10,000,000	10,000,000				$ 10,000,000
Minimum publicly held shares									500,000
Minimum number of stockholders required for listing				$ 2,500,000	$ 2,500,000				$ 2,500,000							$ 2,500,000
Minimum trading price per share				$ 1	$ 1				$ 1
Common Stock [Member]
Subsidiary, Sale of Stock [Line Items]
Common stock, par value	$ 0.0001			$ 0.0001	$ 0.0001				$ 0.0001				$ 0.0001	$ 0.0001
Common stock, shares Issued				1,409,044	1,409,044				1,409,044					140,210
Common stock, shares outstanding				1,409,044	1,409,044				1,409,044					140,210
Issuance of common stock upon conversion					568,874	394,158	251	37		288
Stockholders' equity				$ 10,000	$ 10,000	$ 9,000	$ 7,000	$ 7,000	$ 10,000	$ 7,000				$ 8,000	$ 7,000
Issuance of shares upon conversion, value					1,000	$ 1,000	$ 0	$ 0
Common Stock [Member] | Amended Agreement [Member]
Subsidiary, Sale of Stock [Line Items]
Purchase price of asset acquisition			$ 1,000,000
Digital Assets [Member]
Subsidiary, Sale of Stock [Line Items]
Market value of ownership in digital assets				$ 45,100,000	$ 45,100,000				$ 45,100,000