Related Party Transactions - Narrative (Details)											3 Months Ended
		Dec. 29, 2025 USD ($) shares	Sep. 26, 2025 shares	Jun. 24, 2025	Jul. 24, 2024 USD ($) shares	Jun. 27, 2024	Dec. 26, 2023	Jun. 15, 2023	Nov. 06, 2022 USD ($)	Mar. 10, 2021 USD ($)	Mar. 31, 2026 USD ($) director shares	Mar. 31, 2025 USD ($) shares	Dec. 31, 2025 shares	Dec. 31, 2024 shares	May 16, 2023	May 15, 2023
Related Party Transaction
Convertible redeemable preferred stock, net of issuance costs (in shares)					13,257,294
Accrued dividends | $					$ 32,800,000
Deferred dividend rate (percent)				0.095
Stock exchange agreement, one-time cash payment to preferred stockholders | $		$ 2,000,000.0									$ 6,000,000.0
Common stock, shares outstanding (in shares)											15,023,514		14,876,139
Present value of fixed payable recognized in connection with Recapitalization Transaction | $											$ 4,600,000
Total revenues | $	[1],[2]										$ 85,322,000	$ 85,709,000
Common Stock
Related Party Transaction
Stock exchange agreement, new stock received (in shares)		3,286,825	3,286,825
Common stock, shares outstanding (in shares)											15,023,514	4,913,086	14,876,139	4,890,575
Series B Preferred Stock
Related Party Transaction
Convertible redeemable preferred stock, net of issuance costs (in shares)					13,257,294
Accrued dividends | $					$ 32,800,000
Deferred dividend rate (percent)				0.095		0.095	0.095	0.095
Stock exchange agreement, shares exchanged (in shares)		31,928,301	31,928,301
Preferred stock owned, (in shares)												95,784,903		95,784,903
Series C Preferred Stock
Related Party Transaction
Stock exchange agreement, new stock received (in shares)		4,223,621	4,223,621
Preferred stock owned, (in shares)											12,670,863		12,670,863
Related Party
Related Party Transaction
Preferred stock, right to designate, number of directors | director											1
Total revenues | $											$ 501,000	$ 2,604,000
Charter | Related Party
Related Party Transaction
Percentage of interest held															33.30%	33.30%
Preferred stock, right to designate, number of directors designated | director											1
Preferred stock owned, (in shares)											4,223,621
Total revenues | $											$ 501,000	501,000
Charter | Related Party | Exchange Common Stock
Related Party Transaction
Common stock, shares outstanding (in shares)											3,295,183
Pine
Related Party Transaction
Amount of transaction | $											$ 0	0
Pine | Related Party
Related Party Transaction
Percentage of interest held															33.30%	33.30%
Preferred stock, right to designate, number of directors designated | director											1
Preferred stock owned, (in shares)											4,223,621
Pine | Related Party | Exchange Common Stock
Related Party Transaction
Common stock, shares outstanding (in shares)											3,400,332
Qurate | Related Party
Related Party Transaction
Percentage of interest held																33.30%
Liberty
Related Party Transaction
Amount of transaction | $											$ 0	0
Liberty | Related Party
Related Party Transaction
Percentage of interest held															33.30%
Preferred stock, right to designate, number of directors designated | director											1
Preferred stock owned, (in shares)											4,223,621
Liberty | Related Party | Exchange Common Stock
Related Party Transaction
Common stock, shares outstanding (in shares)											3,286,825
Charter Operating | License Fees in the First Year
Related Party Transaction
Amount of transaction | $										$ 10,000,000.0
Charter Operating | License Fees in the Tenth Year of Term
Related Party Transaction
Amount of transaction | $										$ 32,300,000
Charter Operating | License fee credits
Related Party Transaction
Amount of transaction | $									$ 7,000,000.0
Charter Operating | Related Party
Related Party Transaction
Purchase commitment term (in years)										10 years
Directors & Officers | Related Party
Related Party Transaction
Total revenues | $											$ 0	300,000
WPP | Related Party
Related Party Transaction
Common stock, shares outstanding (in shares)													565,968
Total revenues | $												$ 1,802,000

[1] Three Months Ended March 31,20262025Revenues$501 $2,604 Cost of revenues2,778 5,766 Convertible redeemable preferred stock dividends— (4,439)

[2] (1) Transactions with related parties are included in the line items above as follows. Refer to Footnote 8, Related Party Transactions.