Common Stock and Common Stock Purchase Warrants (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	12 Months Ended
	Feb. 28, 2023	Dec. 31, 2022	Dec. 31, 2021
Class of Warrant or Right [Line Items]
Common stock, shares authorized		250,000,000	250,000,000
Increase in common stock shares authorized		100,000,000
Stock option exercised, value		$ 302	$ 979
Repayment of convertible debt			$ 14,816
Sale of stock, shares		106,225
Sale of stock at-the-market, value		$ 79
Series Z Warrants [Member]
Class of Warrant or Right [Line Items]
Number of warrants exercised		$ 1.60
Number of warrants exercised		5
Series Z Warrants [Member]
Class of Warrant or Right [Line Items]
Common stock purchase warrants issued and outstanding		11,937,450	11,937,455
Number of warrants exercised		$ 1.60	$ 1.60
Warrants expiration date		Apr. 30, 2024	Apr. 30, 2024
Series W Warrants [Member]
Class of Warrant or Right [Line Items]
Common stock purchase warrants issued and outstanding			377,873
Warrants expiration date			Jan. 29, 2022
April 2022 Senior Convertible Note and September 2022 Senior Convertible Note [Member]
Class of Warrant or Right [Line Items]
Stock issued during period, share, conversion of units		7,189,358
Repayment of convertible debt		$ 6,003
Debt instrument interest expense		$ 370
Employee Stock Purchase Plan [Member]
Class of Warrant or Right [Line Items]
Employee stock purchase plans		385,938
Equity Option [Member]
Class of Warrant or Right [Line Items]
Stock option exercised		299,999
Stock option exercised, value		$ 302
Subsequent Event [Member]
Class of Warrant or Right [Line Items]
Common stock, shares authorized	50,000,000
Reverse stock split	1-for-5 to 1-for-15