Capital Structure - 2021 Private Placement and PIPE Subscription Agreements (Details) - USD ($) $ / shares in Units, $ in Thousands					12 Months Ended
	Mar. 13, 2023	Mar. 09, 2023	Jun. 08, 2021	Jun. 05, 2019	Dec. 31, 2023	Dec. 31, 2022	Nov. 28, 2023	Dec. 05, 2022
Class of Warrant or Right [Line Items]
Common stock, par value (in dollars per share)					$ 0.0001	$ 0.0001		$ 0.0001
Exercise price of warrants (in dollars per share)							$ 115.00
Fair value of warrants					$ 17	$ 9
Loss (gain) on fair value of warrant liabilities					8	$ (242)
Placement fee costs					345
Private Placement Warrants
Class of Warrant or Right [Line Items]
Fair value of warrants					11
Loss (gain) on fair value of warrant liabilities					5
PIPE Warrants
Class of Warrant or Right [Line Items]
Fair value of warrants					6
Loss (gain) on fair value of warrant liabilities					$ 3
GigCapital2
Class of Warrant or Right [Line Items]
Common stock, par value (in dollars per share)				$ 0.0001
Private Placement
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)		1,650,000
Price per share (in dollars per share)	$ 1.50
Common stock, par value (in dollars per share)		$ 0.0001
Exercise price of warrants (in dollars per share)	$ 2.04
Purchase price received on transaction	$ 4,500
Private Placement | GigCapital2
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)			300,000	49,250
Price per share (in dollars per share)			$ 100.00	$ 100.00
Number of shares of common stock per unit (in shares)				1
Number of warrants per unit (in shares)				1
Number of rights per unit (in shares)				1
Rights per unit, number of shares received after consummation of business combination (in shares)				0.05
Exercise price of warrants (in dollars per share)			$ 115.00	$ 115.00
Number of securities called by warrants (in shares)			29,999
Number of warrants per ten shares (in shares)			1
Purchase price, gross			$ 30,000
Purchase price received on transaction			28,500
Placement fee costs			$ 1,500
Private Placement | GigCapital2 | GigCapital2 Sponsor
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)				48,125
Private Placement | GigCapital2 | EarlyBirdCapital. Inc.
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)				2,990
Private Placement | GigCapital2 | Northland Gig2 Investment LLC
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)				5,635
Second Private Placement | GigCapital2
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)				7,500
Price per share (in dollars per share)				$ 100.00
Over-Allotment Option | GigCapital2
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)				56,750
Private Placement, Private Underwriter Shares | GigCapital2 | Northland Gig2 Investment LLC
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)				10,000
Price per share (in dollars per share)				$ 100.00
Second Private Placement, Private Underwriter Shares | GigCapital2 | Northland Gig2 Investment LLC
Class of Warrant or Right [Line Items]
Number of shares issued or sold (in shares)				2,000
Price per share (in dollars per share)				$ 100.00