Stockholders' Equity (Details) - USD ($) $ in Thousands	Aug. 07, 2023	Aug. 03, 2023	Nov. 09, 2022	Nov. 06, 2022	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Stockholders' Equity total amount					$ 2,525	$ 5,043	$ 14,174	$ 16,197	$ 19,520	$ 25,457
Common Stock, shares issued					11,460,000		7,960,000
Common Stock, shares outstanding					11,460,000		7,960,000
Preferred Stock, shares issued					0		0
Preferred Stock, shares outstanding					0		0
Common Stock
Class of Stock [Line Items]
Stockholders' Equity total amount					$ 11	$ 8	$ 8	$ 7	$ 7	$ 7
Common Stock, shares issued					11,460,164
Common Stock, shares outstanding					11,460,164
Preferred Stock
Class of Stock [Line Items]
Preferred Stock, shares issued					0
Preferred Stock, shares outstanding					0
Securities Purchase Agreement | 2022 Registered Direct Offering | Common Stock
Class of Stock [Line Items]
Shares issued in transaction				800,000
Gross proceeds from sale of stock				$ 2,000
Securities Purchase Agreement | 2022 Private Placement Offering | Warrants
Class of Stock [Line Items]
Shares issued in transaction			800,000
Net proceeds from sale of stock			$ 1,700
Placement Agency Agreement | Roth Capital Partners | Best Efforts Public Offering
Class of Stock [Line Items]
Shares issued in transaction		3,500,000
Gross proceeds from sale of stock		$ 2,100
Net proceeds from sale of stock	$ 1,700
Placement Agency Agreement | Roth Capital Partners | Best Efforts Public Offering | Warrants
Class of Stock [Line Items]
Net proceeds from sale of stock	1,200
Common Stock, shares issued		3,500,000
Placement Agency Agreement | Roth Capital Partners | Best Efforts Public Offering | Common Stock
Class of Stock [Line Items]
Net proceeds from sale of stock	$ 500