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CAPITAL STOCK AND WARRANTS (Tables)
 9 Months Ended
Sep. 30, 2023
Equity [Abstract]  
Information with regard to outstanding warrants to purchase common stock The following table summarizes information regarding outstanding warrants to purchase common stock as of September 30, 2023:
IssuanceNumber of Shares Issuable Upon Exercise of Outstanding WarrantsExercise Price Per Share of Common StockExpiration Date
August 2023 Public Offering5,750,000 $0.65 August 15, 2028
May 2023 Registered Direct and Concurrent Private Placement1,006,710 $2.98 November 6, 2028
(1)
November 2019 Public Offering - Series B395,528 $8.00 May 19, 2027
November 2019 Private Placement - Series B718,750 $8.00 May 19, 2027
July 2017 Registered Direct Offering14,270 $201.60 January 7, 2024
Consultant750 $116.00 September 11, 2024
Total outstanding warrants7,886,008 
(1)     Warrants issued in the Company's May 2023 registered direct and concurrent private placement offerings are not eligible to be exercised until November 6, 2023.
Schedule of primary rights of convertible preferred stockholders, and common stock shares reserved for future issuance
The following shares of common stock have been reserved for future issuance upon exercise of stock options, vesting of RSUs and conversion of warrants:
September 30,
2023		December 31,
2022
Stock Options1,145,075 979,748 
RSUs— 27,123 
Warrants7,886,008 1,129,298 
Total number of common shares reserved for future issuance9,031,083 2,136,169