Stockholders' Equity (Details) - USD ($) $ in Thousands	Nov. 09, 2022	Nov. 06, 2022	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Shareholders Equity [Line Items]
Stockholders' Equity total amount			$ 9,107	$ 14,174	$ 22,315	$ 25,457
Common Stock, shares issued			7,960,000	7,160,000
Common Stock, shares outstanding			7,960,000	7,160,000
Preferred Stock, shares issued			0	0
Preferred Stock, shares outstanding			0	0
Common Stock
Shareholders Equity [Line Items]
Stockholders' Equity total amount			$ 8	$ 8	$ 7	$ 7
2022 Registered Direct Offering [Member]
Shareholders Equity [Line Items]
Net proceeds from sale of common stock		$ 2,000
2022 Registered Direct Offering [Member] | Common Stock
Shareholders Equity [Line Items]
Shares issued (in shares)		800,000
2022 Private Placement [Member]
Shareholders Equity [Line Items]
Net proceeds	$ 1,700
2022 Private Placement [Member] | Warrant
Shareholders Equity [Line Items]
Shares available for purchase from warrants issued	800,000
At-The-Market Offering Agreement [Member]
Shareholders Equity [Line Items]
Stockholders' Equity total amount			$ 9,100	$ 14,200
At-The-Market Offering Agreement [Member] | Common Stock
Shareholders Equity [Line Items]
Common Stock, shares issued			7,960,164
Common Stock, shares outstanding			7,960,164
At-The-Market Offering Agreement [Member] | Preferred Stock
Shareholders Equity [Line Items]
Preferred Stock, shares issued			0
Preferred Stock, shares outstanding			0