Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ (Deficit) Equity - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Series 1 Preferred	Series 1 Preferred Series 1 Preferred
Preferred stock, beginning balance (in shares) at Dec. 31, 2021								452,000
Preferred stock, beginning balance at Dec. 31, 2021								$ 18,036
Preferred stock, ending balance (in shares) at Mar. 31, 2022								452,000
Preferred stock, ending balance at Mar. 31, 2022								$ 18,036
Balance, beginning of period (in shares) at Dec. 31, 2021		8,497,025	67,746
Balance, beginning of period at Dec. 31, 2021	$ 24,395	$ 85	$ (5,056)	$ 580,156	$ (550,452)	$ (338)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	599			599
Issuance of common stock upon vesting of restricted stock units (in shares)		122,928
Issuance of common stock upon vesting of restricted stock units	0	$ 1		(1)
Issuance of common stock upon exercise of pre-funded warrants (in shares)		56,950
Issuance of common stock upon exercise of pre-funded warrants	0	$ 1		(1)
Comprehensive loss	(7,565)				(7,562)	(3)
Balance, end of period (in shares) at Mar. 31, 2022		8,676,903	67,746
Balance, end of period at Mar. 31, 2022	17,429	$ 87	$ (5,056)	580,753	(558,014)	(341)
Preferred stock, beginning balance (in shares) at Dec. 31, 2021								452,000
Preferred stock, beginning balance at Dec. 31, 2021								$ 18,036
Preferred stock, ending balance (in shares) at Jun. 30, 2022								452,000
Preferred stock, ending balance at Jun. 30, 2022								$ 18,036
Balance, beginning of period (in shares) at Dec. 31, 2021		8,497,025	67,746
Balance, beginning of period at Dec. 31, 2021	24,395	$ 85	$ (5,056)	580,156	(550,452)	(338)
Increase (Decrease) in Stockholders' Equity
Comprehensive loss	(11,568)
Balance, end of period (in shares) at Jun. 30, 2022		8,679,019	67,746
Balance, end of period at Jun. 30, 2022	14,037	$ 87	$ (5,056)	581,364	(562,015)	(343)
Preferred stock, beginning balance (in shares) at Mar. 31, 2022								452,000
Preferred stock, beginning balance at Mar. 31, 2022								$ 18,036
Preferred stock, ending balance (in shares) at Jun. 30, 2022								452,000
Preferred stock, ending balance at Jun. 30, 2022								$ 18,036
Balance, beginning of period (in shares) at Mar. 31, 2022		8,676,903	67,746
Balance, beginning of period at Mar. 31, 2022	17,429	$ 87	$ (5,056)	580,753	(558,014)	(341)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	611			611
Issuance of common stock upon vesting of restricted stock units (in shares)		2,116
Comprehensive loss	(4,003)				(4,001)	(2)
Balance, end of period (in shares) at Jun. 30, 2022		8,679,019	67,746
Balance, end of period at Jun. 30, 2022	14,037	$ 87	$ (5,056)	581,364	(562,015)	(343)
Preferred stock, beginning balance (in shares) at Dec. 31, 2022								452,000
Preferred stock, beginning balance at Dec. 31, 2022	18,036							$ 18,036
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series 1 preferred stock redemption	$ (4,528)			(4,528)				$ (4,528)
Preferred stock, ending balance (in shares) at Mar. 31, 2023								452,000
Preferred stock, ending balance at Mar. 31, 2023								$ 22,564
Balance, beginning of period (in shares) at Dec. 31, 2022	8,614,701	8,682,447	67,746
Balance, beginning of period at Dec. 31, 2022	$ 2,015	$ 87	$ (5,056)	582,763	(575,425)	(354)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	559			559
Issuance of common stock upon vesting of restricted stock units (in shares)		1,597
Issuance of common stock upon vesting of restricted stock units	0
Issuance of common stock upon exercise of pre-funded warrants (in shares)		430,000
Issuance of common stock upon exercise of pre-funded warrants	0	$ 4		(4)
Accretion of Series 1 preferred stock redemption	(4,528)			(4,528)				$ (4,528)
Comprehensive loss	(8,066)				(8,066)
Balance, end of period (in shares) at Mar. 31, 2023		9,114,044	67,746
Balance, end of period at Mar. 31, 2023	(10,020)	$ 91	$ (5,056)	578,790	(583,491)	(354)
Preferred stock, beginning balance (in shares) at Dec. 31, 2022								452,000
Preferred stock, beginning balance at Dec. 31, 2022	18,036							$ 18,036
Preferred stock, ending balance (in shares) at Jun. 30, 2023								452,000
Preferred stock, ending balance at Jun. 30, 2023	$ 27,091						$ 27,100	$ 27,091
Balance, beginning of period (in shares) at Dec. 31, 2022	8,614,701	8,682,447	67,746
Balance, beginning of period at Dec. 31, 2022	$ 2,015	$ 87	$ (5,056)	582,763	(575,425)	(354)
Increase (Decrease) in Stockholders' Equity
Comprehensive loss	$ (15,418)
Balance, end of period (in shares) at Jun. 30, 2023	9,496,298	9,564,044	67,746
Balance, end of period at Jun. 30, 2023	$ (21,840)	$ 96	$ (5,056)	574,317	(590,843)	(354)
Preferred stock, beginning balance (in shares) at Mar. 31, 2023								452,000
Preferred stock, beginning balance at Mar. 31, 2023								$ 22,564
Increase (Decrease) in Temporary Equity [Roll Forward]
Accretion of Series 1 preferred stock redemption	(4,527)			(4,527)				$ (4,527)
Preferred stock, ending balance (in shares) at Jun. 30, 2023								452,000
Preferred stock, ending balance at Jun. 30, 2023	27,091						$ 27,100	$ 27,091
Balance, beginning of period (in shares) at Mar. 31, 2023		9,114,044	67,746
Balance, beginning of period at Mar. 31, 2023	(10,020)	$ 91	$ (5,056)	578,790	(583,491)	(354)
Increase (Decrease) in Stockholders' Equity
Share-based compensation	59			59
Issuance of common stock upon vesting of restricted stock units	0
Issuance of common stock upon exercise of pre-funded warrants (in shares)		450,000
Issuance of common stock upon exercise of pre-funded warrants	0	$ 5		(5)
Accretion of Series 1 preferred stock redemption	(4,527)			(4,527)				$ (4,527)
Comprehensive loss	$ (7,352)				(7,352)
Balance, end of period (in shares) at Jun. 30, 2023	9,496,298	9,564,044	67,746
Balance, end of period at Jun. 30, 2023	$ (21,840)	$ 96	$ (5,056)	$ 574,317	$ (590,843)	$ (354)