Equity Distribution Agreement and Sale of Common Stock (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Sep. 30, 2021	Apr. 24, 2020
Subsidiary, Sale of Stock [Line Items]
Common stock, par or stated value per share (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Commission rate				3.00%
Proceeds from sale of common stock	$ 636,000	$ 1,627,000	$ 899,000
Sales Agreement with Northland
Subsidiary, Sale of Stock [Line Items]
Common stock, par or stated value per share (in dollars per share)				$ 0.01
Maximum aggregate offering price				$ 13,900,000
Common stock issuance (in shares)	320,787	892,181
Proceeds from issuance of common stock gross	$ 700,000	$ 1,700,000
Proceeds from sale of common stock	$ 600,000	$ 1,600,000