CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' DEFICIT - USD ($) $ in Thousands	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Accumulated Deficit
Balance at the beginning (in shares) at Dec. 31, 2022		2,163,766	(154,055)
Balance at the beginning at Dec. 31, 2022	$ (6,407)		$ (31,663)	$ 89,956	$ (64,700)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(5,397)				(5,397)
Stock-based compensation	658			658
Issuance of Common Stock under ESPP (in shares)		14,441
Issuance of Common Stock under ESPP	120			120
Issuance of Common Stock upon vesting of restricted stock units (in shares)		14,255
Balance at the end (in shares) at Mar. 31, 2023		2,192,462	(154,055)
Balance at the end at Mar. 31, 2023	(11,026)		$ (31,663)	90,734	(70,097)
Balance at the beginning (in shares) at Dec. 31, 2023		2,392,568	(154,055)
Balance at the beginning at Dec. 31, 2023	(12,458)		$ (31,663)	93,403	(74,198)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(2,387)				(2,387)
Stock-based compensation	598			598
Issuance of Common Stock under ESPP (in shares)		8,443
Issuance of Common Stock under ESPP	16			16
Issuance of Common Stock upon vesting of restricted stock units (in shares)		63,019
Tax payments related to shares retired for vested restricted stock units (in shares)		(8,474)
Tax payments related to shares retired for vested restricted stock units	(40)			(40)
Balance at the end (in shares) at Mar. 31, 2024		2,455,556	(154,055)
Balance at the end at Mar. 31, 2024	$ (14,271)		$ (31,663)	$ 93,977	$ (76,585)