Segment Reporting - Schedule of Segment Revenue and Significant Expenses (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total Revenues		$ 1,219		$ 621		$ 2,576	$ 984
Cost of training		297		172		617	337
Research and development (excluding stock based compensation)		779		2,474		2,050	4,497
General and administrative (excluding stock based compensation, depreciation and amortization)		4,640		4,416		9,126	10,378
Interest expense		4,490		2,919		6,254	4,919
Interest income		(229)		0		(387)	0
Change in fair value of earnout		0		(1,300)		0	(1,300)
(Gain) loss upon extinguishment of debt and accounts payable		(1,423)		666		(4,459)	1,732
Change in fair value of convertible notes		(7,202)		0		(6,629)	316
Change in fair value of warrants		(544)		(1,448)		(993)	(3,246)
Stock-based compensation expense		2,400				2,400
Net loss		(2,180)		(10,637)		(8,782)	(22,031)
Reconciliation of net loss
Consolidated net loss		(2,180)	$ (6,603)	(10,637)	$ (11,394)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Total Revenues		1,219		621		2,576	984
Cost of fitness product revenue (excluding depreciation and amortization)		559		285		1,318	623
Cost of membership (excluding depreciation and amortization)		(1)		6		1	7
Cost of training		297		172		617	337
Research and development (excluding stock based compensation)		406		1,384		978	2,176
General and administrative (excluding stock based compensation, depreciation and amortization)		1,615		1,613		3,653	4,039
Interest expense		4,490		2,919		6,254	4,919
Interest income		(229)		0		(387)	0
Change in fair value of earnout		0		(1,300)		0	(1,300)
(Gain) loss upon extinguishment of debt and accounts payable		(1,423)		666		(4,459)	1,732
Change in fair value of convertible notes		(7,202)		0		(6,629)	316
Change in fair value of derivatives		462		809		1,949	755
Change in fair value of warrants		(544)		(1,448)		(993)	(3,246)
Change in fair value of digital assets		(125)		0		(125)	0
Depreciation and amortization expense		891		1,853		1,901	3,715
Stock-based compensation expense		2,804		2,925		4,893	6,291
Transaction related expenses	[1]	434		210		733	974
Vendor Settlements	[2]	(42)		0		417	0
Other segment items	[3]	1,007		1,164		1,237	1,677
Net loss		(2,180)		(10,637)		(8,782)	(22,031)
Reconciliation of net loss
Adjustments and reconciling items		0		0		0	0
Consolidated net loss		$ (2,180)		$ (10,637)		$ (8,782)	$ (22,031)

[1] Transaction costs related to acquisition of CLMBR, Inc, Wattbike and Sportstech.

[2] Costs (income) related to vendor settlements.

[3] Other segment items included in consolidated net loss includes sales and marketing (excluding stock based compensation, depreciation and amortization) and other expense.