Leases - Additional Information (Detail) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($) Bitcoinmachine
Lessee, Lease, Description [Line Items]
Operating lease right of use assets	$ 2,083	$ 2,595
Operating lease liability	2,086
Undisocunted finance lease payment due	4,193
Finance lease liability	$ 3,733
Non-cash Transaction
Lessee, Lease, Description [Line Items]
Finance lease right of use asset		3,400
Finance lease liability		3,400
Office space lease
Lessee, Lease, Description [Line Items]
Lessee finance lease description	The Company has obligations as a lessee for office space under a noncancellable lease arrangement that expires in May 2025, with options to renew up to five years.
BTM kiosk leases
Lessee, Lease, Description [Line Items]
Lessee finance lease description	The Company has obligations as a lessee for BTM kiosks. The leases for the BTM kiosks are classified as finance leases in accordance with Topic 842 that expire on various dates through August 31, 2027. The BTM kiosk lease agreements are for two or three year terms and include various options to either renew the lease, purchase the kiosks or exercise a bargain option to purchase the kiosk at the end of the term. Certain finance leases are personally guaranteed by the CEO and contain guarantees for return of equipment by the CEO.
Finance lease liability		$ 1,000
1,186 BTM Kiosk Leases [Member]
Lessee, Lease, Description [Line Items]
Number of machines leased | Bitcoinmachine		1,186
1,186 BTM Kiosk Leases [Member] | Minimum [Member]
Lessee, Lease, Description [Line Items]
Finance lease term		24 months
1,186 BTM Kiosk Leases [Member] | Maximum [Member]
Lessee, Lease, Description [Line Items]
Finance lease term		36 months
Floorspace Leases | Non-cash Transaction
Lessee, Lease, Description [Line Items]
Operating lease right of use assets	$ 0	$ 2,200
Operating lease liability	$ 0	$ 2,200