CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounts receivable allowance, net	$ 26	$ 231
Preferred stock, par value (in usd per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Common stock, par value (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	1,942,985	35,710
Common stock, shares outstanding (in shares)	1,942,984	35,709
Treasury stock (in shares)	1	1
Series 4 Convertible Preferred Stock
Preferred stock, shares authorized (in shares)	10,415	10,415
Preferred stock, shares issued (in shares)	1	1
Preferred stock, shares outstanding (in shares)	1	1
Series 5 Convertible Preferred Stock
Preferred stock, shares authorized (in shares)	12,000	12,000
Preferred stock, shares issued (in shares)	126	126
Preferred stock, shares outstanding (in shares)	126	126