Net Loss Per Share - Reconciliation of Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Net loss	$ (21,941)	$ (9,051)
Preferred stock dividends	0	1
Less: undeclared dividends	0	366
Less: conversion inducement	0	300
Less: warrant modification	0	37
Net loss attributable to common stockholders	$ (21,941)	$ (9,755)
Denominator:
Weighted-average number of shares of common stock for diluted net loss per share (in shares)	2,065	1,779
Basic net loss per share (in dollars per share)	$ (10.62)	$ (5.48)