Common Stock Issuance, Redeemable Common Stock, Common Stock Warrants, and Convertible Preferred Stock - Additional Information (Details)									1 Months Ended		3 Months Ended		9 Months Ended
	Nov. 05, 2025 shares	Mar. 31, 2025 USD ($) shares	Sep. 13, 2024 USD ($)	Sep. 11, 2024 USD ($) $ / shares shares	Aug. 20, 2024 shares	Feb. 25, 2024 USD ($) $ / shares shares	Feb. 17, 2023 USD ($) $ / shares shares	Sep. 17, 2020 $ / shares shares	Sep. 30, 2024 USD ($)	Feb. 29, 2024 USD ($)	Sep. 30, 2025 USD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($) $ / shares shares	Sep. 30, 2024 USD ($)	Aug. 07, 2025 $ / shares shares	Mar. 13, 2025 $ / shares	Dec. 31, 2024 $ / shares shares	Mar. 31, 2023 USD ($) $ / shares shares
Subsidiary or Equity Method Investee [Line Items]
Offering expenses | $													$ 0	$ 1,041,000
Warrants outstanding (in shares)											7,095,920		7,095,920				11,099,708
Warrants exercised (in shares)													415,459
Common stock, shares issued (in shares)											16,502,152		16,502,152				15,725,783
Common stock, par value (in dollars per share) | $ / shares											$ 0.0001		$ 0.0001				$ 0.0001
Proceeds from exercise of common stock warrants | $													$ 1,822,000	0
General and administrative | $											$ 6,273,000	$ 9,787,000	20,593,000	$ 22,127,000
Period for warrants to become exercisable after IPO								12 months
Measurement Input, Volume-Weighted Average Stock Price, Trailing Period | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input															60
OWLT stock price (in dollars per share) | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input															7.26
Measurement Input, Expected Dividend Rate | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input															0
Forecast
Subsidiary or Equity Method Investee [Line Items]
Shares issued upon conversion (in shares)	5,426,429
WTI Loan Facility | First Tranche Commitment | Term Loan
Subsidiary or Equity Method Investee [Line Items]
Proceeds from long-term borrowings | $									$ 7,500,000
Remaining borrowing capacity | $		$ 2,500,000
Series A Convertible Preferred Stock
Subsidiary or Equity Method Investee [Line Items]
Redemption value | $											$ 11,479,000		$ 11,479,000
Preferred stock, shares issued (in shares)											11,479		11,479				11,479
Preferred stock, par value (in dollars per share) | $ / shares											$ 0.0001		$ 0.0001				$ 0.0001
Conversion of stock, shares converted (in shares)					15,721
Series B Convertible Preferred Stock
Subsidiary or Equity Method Investee [Line Items]
Warrants exercised (in shares)													0
Redemption value | $											$ 9,250,000		$ 9,250,000
Preferred stock, shares issued (in shares)											9,250		9,250				9,250
Preferred stock, par value (in dollars per share) | $ / shares											$ 0.0001		$ 0.0001				$ 0.0001
Warrants converted (in shares)													0
Common Class A
Subsidiary or Equity Method Investee [Line Items]
Shares issued upon conversion (in shares)					2,291,686
Redeemable Common Stock
Subsidiary or Equity Method Investee [Line Items]
Shares forfeited during the period (in shares)		62,500
Preferred stock, shares issued (in shares)											687,500		687,500				750,000
Titan Warrants
Subsidiary or Equity Method Investee [Line Items]
Warrants outstanding (in shares)				125,405							100,324		100,324				125,405
Exercise price of warrant (in dollars per share) | $ / shares																$ 4.63
Warrants expiration period																5 years
Warrants exercised (in shares)													25,081
Titan Warrants | OWLT stock price (in dollars per share)
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input				4.35
Titan Warrants | Risk-free interest rate
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input				0.0347
February 2023 Warrants
Subsidiary or Equity Method Investee [Line Items]
Exercise price of warrant (in dollars per share) | $ / shares							$ 4.66
Warrants exercised (in shares)													390,378
Common stock, shares issued (in shares)							7,871,712
Proceeds from issuance of preferred stock | $							$ 30,000,000
Number of securities called by each warrant (in shares)							1
February 2023 Warrants | Series A Convertible Preferred Stock
Subsidiary or Equity Method Investee [Line Items]
Preferred stock, shares issued (in shares)							30,000
Preferred stock, par value (in dollars per share) | $ / shares							$ 0.0001
Private Placement Warrants
Subsidiary or Equity Method Investee [Line Items]
Sale of number of warrants (in shares)								471,428
SBG Public Warrants
Subsidiary or Equity Method Investee [Line Items]
Warrants outstanding (in shares)											821,428		821,428				821,428
Warrants expiration period											5 years		5 years
Warrants exercised (in shares)													0
SBG Public Warrants | OWLT stock price (in dollars per share)
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input											8.47		8.47				4.45
SBG Public Warrants | Risk-free interest rate
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input											0.0374		0.0374				0.0421
SVB Warrants
Subsidiary or Equity Method Investee [Line Items]
Warrants outstanding (in shares)											10,714		10,714				10,714
Exercise price of warrant (in dollars per share) | $ / shares																		$ 5.32
Warrants exercised (in shares)													0
Number of securities called by warrants (in shares)																		10,714
Value of warrants | $																		$ 43,000
Series A Warrants
Subsidiary or Equity Method Investee [Line Items]
Warrants outstanding (in shares)											4,678,527		4,678,527				7,871,712
Warrants exercised (in shares)													390,378
Number of securities called by warrants (in shares)											7,215,737		7,215,737		7,215,737
Shares issuable (in shares)											265,597		265,597
Series A Warrants | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Exercise price of warrant (in dollars per share) | $ / shares															$ 4.662
Value per share (in dollars per share) | $ / shares															$ 4.44
Exchange ratio (in shares)															0.61
Shares issuable (in shares)											4,412,930		4,412,930		4,412,930
Series A Warrants | OWLT stock price (in dollars per share)
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input | $ / shares											8.47		8.47				4.45
Series A Warrants | Measurement Input, Term Volatility | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input															0.80
Series A Warrants | Risk-free interest rate
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input											0.0360		0.0360				0.0428
Series A Warrants | Risk-free interest rate | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input															0.0341
Series B Warrants
Subsidiary or Equity Method Investee [Line Items]
Warrants outstanding (in shares)											1,013,499		1,013,499				1,799,021
Warrants exercised (in shares)													0
Number of securities called by warrants (in shares)															1,799,021
Series B Warrants | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Exercise price of warrant (in dollars per share) | $ / shares															$ 7.713
Value per share (in dollars per share) | $ / shares															$ 4.09
Exchange ratio (in shares)															0.56
Shares issuable (in shares)											1,013,499		1,013,499		1,013,499
Series B Warrants | OWLT stock price (in dollars per share)
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input											8.47		8.47				4.45
Series B Warrants | Measurement Input, Term Volatility | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input															0.80
Series B Warrants | Risk-free interest rate
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input																	0.0433
Series B Warrants | Risk-free interest rate | Valuation Technique, Black-Scholes-Merton Model
Subsidiary or Equity Method Investee [Line Items]
Fair value measurement input															0.0337
September 2024 Offering
Subsidiary or Equity Method Investee [Line Items]
Sale of stock, shares issued in transaction (in shares)				3,135,136
Sale of stock, price per share (in dollars per share) | $ / shares				$ 3.70
Consideration received | $				$ 10,590,000
Offering price discount to underwriter				0.07
Offering expenses | $													$ 863,000
Unpaid issuance costs | $											$ 0		$ 0
Reimbursement to underwriter of stock issuance costs | $			$ 198,000
Private Placement
Subsidiary or Equity Method Investee [Line Items]
Sale of stock, shares issued in transaction (in shares)				750,000
Private Placement | Series B Convertible Preferred Stock
Subsidiary or Equity Method Investee [Line Items]
Preferred stock, shares issued (in shares)						9,250
Preferred stock, par value (in dollars per share) | $ / shares						$ 0.0001
Common stock, shares issued (in shares)						1,799,021
Common stock, par value (in dollars per share) | $ / shares						$ 0.0001
Proceeds from issuance of preferred stock | $						$ 9,250,000				$ 9,250,000
Initial Public Offering | Public Shares
Subsidiary or Equity Method Investee [Line Items]
Units issued (in shares)								821,428
Initial Public Offering | Public Warrant
Subsidiary or Equity Method Investee [Line Items]
Exercise price of warrant (in dollars per share) | $ / shares								$ 161.00