Convertible Redeemable Preferred Stock And Stockholders' Equity (Deficit) - Additional Information (Detail)

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Convertible Redeemable Preferred Stock And Stockholders' Equity (Deficit) - Additional Information (Detail) - USD ($)										3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 18, 2024	Jul. 16, 2024	Feb. 15, 2024	Dec. 06, 2023	Sep. 18, 2023	Sep. 13, 2023	May 26, 2023	May 24, 2023	Jan. 09, 2023	Sep. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Jun. 30, 2024	Feb. 12, 2024	Jun. 30, 2023	Jun. 05, 2023	Mar. 31, 2023	Dec. 31, 2022
Temporary Equity And Stockholders Equity [Line Items]
Common stock, shares authorized										180,000,000			180,000,000		180,000,000
Common stock, shares issued										36,597,000			36,597,000		3,416,000
Approximate fair value approximate of the current stock price			95.00%
Common stock value										$ 36,000			$ 36,000		$ 3,000
Proceeds from the exercise of common stock warrants													$ 8,000	$ 114,000
Common stock, par value										$ 0.001			$ 0.001		$ 0.001
Change in fair value of warrants													$ (1,060,000)	(104,000)
Issuance costs for common stock warrants													$ 830,000	447,000
Convertible preferred stock, shares issued										1,000,000			1,000,000
Additional paid-in-capital										$ 322,778,000			$ 322,778,000		$ 317,103,000
Compensation expense related to stock options										100,000		$ 300,000	100,000	1,100,000
Total unrecognized compensation expense										100,000		700,000	100,000	$ 700,000
Accrued liabilities										8,153,000			8,153,000		7,518,000		$ 200,000
Other liabilities										106,000			$ 106,000		$ 79,000
Unrecognized share based compensation expense to be recognized over weighted-average period													1 year 2 months 12 days
Common stock offered													23,010,024	2,537,031
Proceeds from the sale of common stock and pre-funded warrants, net of fees													$ 2,776,000	$ 8,503,000
Allocated Share-based Compensation Expense										$ 51,000		$ 276,000	$ 118,000	1,050,000
Series H Preferred Stock [Member]
Temporary Equity And Stockholders Equity [Line Items]
Temporary equity preferred stock, shares authorized										370,000			370,000		370,000
Temporary Equity, Redemption Price Per Share										$ 0.001			$ 0.001
Equity raise of gross proceeds							$ 4,600,000
Convertible preferred stock, Common shares issued upon conversion										1,923			1,923
Temporary conversion of preferred stock into common stock										190,000			190,000
Conversion of preferred stock													700,000
Temporary conversion of warrants into share										20,000			20,000
Proceeds from issuance of warrants								$ 3,400,000
Warrants And Rights Outstanding								$ 50,000
Conversion price								$ 13.98
Proceeds from the exercise of common stock warrants								$ 2,700,000
Preferred Stock Redemption Discount								10,500,000
Series J Convertible Redeemable Preferred Stock liability								7,800,000
Proceeds of common stock and warrants								4,600,000
Warrants issued in connection with debt instruments								3,400,000
Allocated to the warrants based upon fair values								1,200,000
Proceeds allocated to the warrants based upon fair values								$ 3,400,000
Weighted average exercise price of warrants							$ 13
Paid in-kind Dividends Percentage								20.00%
Risk-free interest rate								48.00%
Series G Preferred stock, shares authorized										370,000			370,000		370,000
Preferred stock, par value							0.001	$ 0.001		$ 0.001			$ 0.001		$ 0.001
Convertible preferred stock, shares issued										7,000			7,000		5,000
Convertible Preferred Stock outstanding										6,923			6,923
Convertible preferred stock, shares outstanding										7,000			7,000		5,000
Proceeds from offering								$ 4,600,000
Proceeds from offering from broker fees								$ 900,000
Preferred Stock, Convertible, Conversion Price, Decrease								$ 50
Combined purchase price of share and warrant							$ (0.5)	$ (0.5)
Series J Preferred Stock [Member]
Temporary Equity And Stockholders Equity [Line Items]
Temporary equity preferred stock, shares authorized										160,000			160,000
Temporary Equity, Redemption Price Per Share										$ 0.001			$ 0.001
Equity raise of gross proceeds					$ 4,500,000
Convertible preferred stock, Common shares issued upon conversion	6,836									3,745			3,745
Conversion of Preferred Stock Into Common Stock	2,546									4,500			4,500
Temporary conversion of preferred stock into common stock	70,965
Conversion of preferred stock	2,200,000
Temporary conversion of warrants into share	7,480
Non Conversion Of Warrants Into Share	15,805
Proceeds from issuance of warrants						$ 3,500,000
Warrants And Rights Outstanding						$ 100,000
Conversion price						$ 3.26
Proceeds from the exercise of common stock warrants						$ 2,700,000
Preferred Stock Redemption Discount						10,300,000
Series J Convertible Redeemable Preferred Stock liability	$ 1,600,000	$ 100,000				7,600,000
Decrease in accrued liabilities	$ 500,000
Proceeds of common stock and warrants						4,500,000
Warrants issued in connection with debt instruments						3,500,000
Allocated to the warrants based upon fair values						1,000,000
Proceeds allocated to the warrants based upon fair values						$ 3,500,000
Weighted average exercise price of warrants					$ 30	$ 30
Common stock, par value		$ 0.001
Paid in-kind Dividends Percentage						20.00%
Risk-free interest rate						40.00%
Sale of common stock and pre-funded warrants, net of fees ,shares		3,190,476
Series G Preferred stock, shares authorized										160,000			160,000
Preferred stock, par value	$ 0.001					$ 0.001
Conversion of preferred stock into common stock										4,500			4,500
Proceeds from offering						$ 4,500,000
Proceeds from offering from broker fees						$ 1,000,000
Preferred Stock, Convertible, Conversion Price, Decrease	$ 100					$ 100
Combined purchase price of share and warrant					(0.5)	$ (0.5)
Series H Convertible Redeemable Preferred Stock
Temporary Equity And Stockholders Equity [Line Items]
Common stock, par value		$ 0.001
Conversion of Stock, Shares Issued		2,546
Series I Preferred Stock [Member]
Temporary Equity And Stockholders Equity [Line Items]
Temporary equity preferred stock, shares authorized										125,000			125,000
Temporary Equity, Redemption Price Per Share										$ 0.001			$ 0.001
Series G Preferred stock, shares authorized										125,000			125,000
Preferred stock, par value																			$ 0.001
Series J Warrants [Member]
Temporary Equity And Stockholders Equity [Line Items]
Conversion of preferred stock		8,000
Warrants To Purchase Preferred Stock		4,000
Warrant issued										9,000			9,000
Temporary conversion of warrants into share	14,960
Conversion Of Warrants expired	52,040
Proceeds from issuance of warrants						$ 1,000,000
Proceeds from the exercise of common stock warrants						800,000
Series J Convertible Redeemable Preferred Stock liability	$ 1,600,000	$ 300,000
Warrants issued in connection with debt instruments						1,000,000
Series H Warrants [Member]
Temporary Equity And Stockholders Equity [Line Items]
Temporary conversion of warrants into share										40,000			40,000
Proceeds from issuance of warrants								$ 1,200,000
Proceeds from the exercise of common stock warrants								1,000,000
Warrants issued in connection with debt instruments								$ 1,200,000
Weighted average exercise price of warrants								$ 13
Class A Common Warrants [Member]
Temporary Equity And Stockholders Equity [Line Items]
Weighted average exercise price of warrants			$ 0.66
Class B Common Warrants [Member]
Temporary Equity And Stockholders Equity [Line Items]
Warrant issued				2,221,880
Weighted average exercise price of warrants			$ 0.748
December Two Thousand Twenty Three Registered Direct Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Equity raise of gross proceeds				$ 1,400,000
Warrant issued				2,221,880
Weighted average exercise price of warrants				$ 1.23
Sale of common stock and pre-funded warrants, net of fees ,shares				331,000
Combined purchase price of share and warrant				$ 1.229
Net Proceeds from the Issuance of Common Stock, Pre-funded Warrants, and Warrants in Excess of Par				$ 1,000,000
Adjusted exercise price of warrants				$ 0.2256
September Two Thousand Twenty Three Public Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Equity raise of gross proceeds						1,000,000
Conversion of Preferred Stock Into Common Stock										8,000			8,000
Warrant issued										9,000			9,000
Conversion Of Warrants expired	52,040
Issuance costs for common stock warrants						$ 200,000
Conversion of preferred stock into common stock										4,500			4,500
May Two Thousand Twenty Three Public Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Equity raise of gross proceeds							$ 1,200,000
Issuance costs for common stock warrants							$ 200,000
January 2023 Warrant [Member]
Temporary Equity And Stockholders Equity [Line Items]
Equity raise of gross proceeds									$ 8,500,000
Warrant issued									114,035
Weighted average exercise price of warrants									$ 1
Common stock, par value									$ 0.001
Sale of common stock and pre-funded warrants, net of fees ,shares									171,678
Proceeds from offering									$ 9,900,000
Combined purchase price of share and warrant									$ 35
January 2023 Pre funded Warrant [Member]
Temporary Equity And Stockholders Equity [Line Items]
Combined purchase price of share and warrant									$ 34
Pre Funded Warrants
Temporary Equity And Stockholders Equity [Line Items]
Equity raise of gross proceeds													$ 3,700,000
Volatility			85.00%
Sale of Stock, Price Per Share			$ 0.439
Weighted average exercise price of warrants			0.001
Alternative cashless exercise price			$ 0.95
Issuance costs for common stock warrants			$ 600,000
Warrant issued			8,205,000
Pre Funded Warrants | December Two Thousand Twenty Three Registered Direct Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Warrant issued				779,940
Weighted average exercise price of warrants				$ 0.001
Underwritten Public Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Proceeds from the sale of common stock and pre-funded warrants, net of fees			$ 7,000,000
Underwritten Public Offering [Member] | Series H Preferred Stock [Member]
Temporary Equity And Stockholders Equity [Line Items]
Weighted average exercise price of warrants							$ 26	$ 26
Sale of common stock and pre-funded warrants, net of fees ,shares								175,000
Underwritten Public Offering [Member] | Series J Preferred Stock [Member]
Temporary Equity And Stockholders Equity [Line Items]
Weighted average exercise price of warrants					$ 60	$ 60
Sale of common stock and pre-funded warrants, net of fees ,shares						75,000
Underwritten Public Offering [Member] | September Two Thousand Twenty Three Public Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Sale of common stock and pre-funded warrants, net of fees ,shares					75,000
Underwritten Public Offering [Member] | May Two Thousand Twenty Three Public Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Sale of common stock and pre-funded warrants, net of fees ,shares							175,000
Maximum [Member]
Temporary Equity And Stockholders Equity [Line Items]
Temporary equity preferred stock, shares authorized										1,000,000			1,000,000
Series G Preferred stock, shares authorized										1,000,000			1,000,000
2002 Stock Incentive Plan
Temporary Equity And Stockholders Equity [Line Items]
Options available for future grants										0			0
Exchange Agreement Member | Series J Preferred Stock [Member]
Temporary Equity And Stockholders Equity [Line Items]
Conversion of Preferred Stock Into Common Stock										2,546			2,546
2018 Long-Term Incentive Plan
Temporary Equity And Stockholders Equity [Line Items]
Increase in Number of Units Available for Issuance													58,815
Options and restricted stock units outstanding										30,221			30,221
Restricted Stock Units (RSUs)
Temporary Equity And Stockholders Equity [Line Items]
Forfeited, cancelled, or expired													6,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period													27,000
Phantom Share Units (PSUs)
Temporary Equity And Stockholders Equity [Line Items]
Additional paid-in-capital															$ 200,000						$ 100,000
Accrued liabilities										$ 500,000			$ 500,000		$ 500,000
Cash																				$ 600,000
Forfeited, cancelled, or expired											828				2,113
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period											291
Stock Appreciation Rights (SARs)
Temporary Equity And Stockholders Equity [Line Items]
Stock Option Outstanding																236
Allocated Share-based Compensation Expense													$ 0	$ 0
Employee Stock Option
Temporary Equity And Stockholders Equity [Line Items]
Stock options granted													0	0
Common Stock
Temporary Equity And Stockholders Equity [Line Items]
Common stock, shares issued										36,597,000		2,266,000	36,597,000	2,266,000	3,416,000	33,406,000		1,019,000			77,000
Common stock, par value			$ 0.001
Sale of common stock and pre-funded warrants, net of fees ,shares													7,795,000	172,000
Common Stock | Underwritten Public Offering [Member]
Temporary Equity And Stockholders Equity [Line Items]
Sale of common stock and pre-funded warrants, net of fees ,shares			7,795,000
Common Stock | 2018 Long-Term Incentive Plan
Temporary Equity And Stockholders Equity [Line Items]
Common stock authorized for share issued													23,232
Common stock authorized for issuance										112,268			112,268
February 2024 Pre-Funded Warrants | Pre Funded Warrants
Temporary Equity And Stockholders Equity [Line Items]
Pre funded warrant issued													8,205,000
December 2023 Pre Funded Warrants | Pre Funded Warrants
Temporary Equity And Stockholders Equity [Line Items]
Pre funded warrant issued													779,940
January 2023 Pre Funded Warrants | Pre Funded Warrants
Temporary Equity And Stockholders Equity [Line Items]
Pre funded warrant issued												114,035		114,035