Subsequent Events (Additional Information) (Details) - USD ($) $ / shares in Units, $ in Thousands				6 Months Ended
	Aug. 09, 2023	Jul. 19, 2023	Jul. 11, 2023	Jun. 30, 2023
Subsequent Event [Line Items]
Proceeds from issuance of common stock				$ 4,191
Subsequent Event [Member] | Registered Public Offering [Member] | Underwriting Agreement [Member]
Subsequent Event [Line Items]
Sale of stock, transaction date	Aug. 09, 2023	Jul. 19, 2023	Jul. 11, 2023
Sale of common stock	33,173,000	51,250,000	32,500,000
Common stock, public offering price per share	$ 0.041	$ 0.04	$ 0.055
Proceeds from issuance of common stock	$ 1,400	$ 2,100	$ 1,800
Net proceeds from sale of stock	$ 1,100	$ 1,900	$ 1,600
Subsequent Event [Member] | Registered Public Offering [Member] | Underwriting Agreement [Member] | Maxim [Member]
Subsequent Event [Line Items]
Payment of cash fee percentage on gross proceeds of offering	8.00%	8.00%	8.00%
Payment of cash fee on gross proceeds of offering	$ 109	$ 164	$ 143
Reimbursement of certain expenses	$ 60	$ 60	$ 90
Subsequent Event [Member] | Unregistered Warrants [Member] | Underwriting Agreement [Member] | Maxim [Member]
Subsequent Event [Line Items]
Warrant Issued	1,326,920	2,050,000	1,300,000
Sale of stock, percentage	4.00%	4.00%	4.00%
Exercise Price	$ 0.0492	$ 0.048	$ 0.066
Percentage of Initial warrant exercise price with compare offering price	120.00%	120.00%	120.00%
Term of warrants	5 years	5 years	5 years
Warrant exercisable commencing period	6 months	6 months	6 months