Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Allowance for credit losses	$ 182	$ 222
Stockholders' equity:
Series C Convertible Preferred Stock, par value (in dollars per share)	$ 0.1	$ 0.1
Series C Convertible Preferred Stock, shares authorized (in shares)	10,000,000	10,000,000
Series C Convertible Preferred Stock, shares issued (in shares)	0	0
Series C Convertible Preferred Stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	150,000,000	150,000,000
Common stock, shares issued (in shares)	3,506,025	3,506,025
Common stock, shares outstanding (in shares)	3,506,025	3,506,025