Common Stock	6 Months Ended
Jun. 30, 2021
Common Stocks Issued [Abstract]
COMMON STOCK	11. COMMON STOCK Securities Purchase Agreement On December 24, 2020, the Company entered into a securities purchase agreement with certain purchasers, pursuant to which the Company sold to the purchasers in a registered direct offering, an aggregate of 4,210,530 units, each consisting of one share of our common stock and a warrant to purchase 1 share of our Common Stock, at a purchase price of $1.90 per unit, for aggregate gross proceeds to the Company of $8,000,007, before deducting fees to the placement agent and other offering expenses payable by the Company. On December 29, 2020, the Company issued Units consisting of an aggregate of 4,210,530 shares of our Common Stock and warrants to purchase up to an aggregate of 4,210,530 shares of our Common Stock at an exercise price of $2.15 per share (the “Investors’ Warrants”). The Investors’ Warrants have a term of five years and are exercisable by the holder at any time after the date of issuance. In connection with the offering, the Company also issued placement agent a warrant to purchase 210,526 shares of our Common Stock (the “Placement Agent Warrant”) on substantially the same terms as the Investors’ Warrants, except that the Placement Agent Warrant has an exercise price of $2.375 per share and are not exercisable until June 24, 2021. The net proceeds offering were $7,338,500, after deducting underwriting discounts and commissions and other estimated offering expenses, and were received on December 29, 2020. The Company issued 4,210,530 shares of its Common Stock to the purchaser on December 29, 2020. During the three months ended March 31, 2021, the Investors Warrants to purchase an aggregate of 4,210,530 shares of common stock were fully exercised by the investors. On January 11, 2021, the Company entered into a securities purchase agreement with certain purchasers identified on the signature page thereto, pursuant to which the Company sold to the purchasers in a registered direct offering, an aggregate of 3,000,000 share of its common stock, par value $0.001 per share at a purchase price of $5.00 per share, for aggregate net proceeds to the Company of $13,797,732, after deducting fees to the placement agent and other offering expenses payable by the Company. On January 13, 2021, the Company issued 3,000,000 shares of common stock pursuant to this Agreement. On February 9, 2021, the Company entered into a securities purchase agreement with certain purchasers identified on the signature page thereto, pursuant to which the Company sold to the purchasers in a registered direct offering, an aggregate of 2,000,000 shares of its common stock, par value $0.001 per share at a purchase price of $5.95 per share, for aggregate net proceeds to the Company of $10,992,250, after deducting fees to the placement agent and other offering expenses payable by the Company. The Company issued 2,000,000 shares of common stock to the purchasers on February 11, 2021. On April 1, 2021, the Company entered into a Securities Purchase Agreement with certain purchasers identified on the signature page thereto (the “Purchasers”), pursuant to which the Company sold to the Purchasers in a registered direct offering, an aggregate of 5,737,706 shares of its common stock, par value $0.001 per share at a purchase price of $6.10 per share, for aggregate net proceeds to the Company of approximately $32,380,492, after deducting fees to the placement agent and other offering expenses payable by the Company. The Company issued 5,737,706 shares of common stock to the purchasers on April 5, 2021. On April 12, 2017, the Company entered into a Securities Purchase Agreement with certain purchasers (the “Purchasers”), pursuant to which the Company offered and sold to the Purchasers, in a registered direct offering, an aggregate of 862,097 shares of common stock, par value $0.001 per share. In a concurrent private placement, the Company also issued to the each of the Purchasers a warrant to purchase one (1) share of the Company’s Common Stock for each share purchased under the Purchase Agreement, pursuant to that certain Common Stock Purchase Warrant, by and between the Company and each Purchaser (each, a “Warrant”, and collectively, the “Warrants”). The Warrants will be exercisable beginning on the six-months anniversary of the date of issuance at an initial exercise price of $5.20 per share and will expire on the five and a half year anniversary of the date of issuance. During the six months ended June 30, 2021, the holders of the Warrants purchased an aggregate of 319,350 shares of common stock of the Company for $1,654,224, of which 1,230 shares of common stock were issued based upon cashless exercises.

Common Stock

6 Months Ended

Jun. 30, 2021

11. COMMON STOCK

Securities Purchase Agreement

On December 24, 2020, the Company entered into a securities purchase agreement with certain purchasers, pursuant to which the Company sold to the purchasers in a registered direct offering, an aggregate of 4,210,530 units, each consisting of one share of our common stock and a warrant to purchase 1 share of our Common Stock, at a purchase price of $1.90 per unit, for aggregate gross proceeds to the Company of $8,000,007, before deducting fees to the placement agent and other offering expenses payable by the Company. On December 29, 2020, the Company issued Units consisting of an aggregate of 4,210,530 shares of our Common Stock and warrants to purchase up to an aggregate of 4,210,530 shares of our Common Stock at an exercise price of $2.15 per share (the “Investors’ Warrants”). The Investors’ Warrants have a term of five years and are exercisable by the holder at any time after the date of issuance. In connection with the offering, the Company also issued placement agent a warrant to purchase 210,526 shares of our Common Stock (the “Placement Agent Warrant”) on substantially the same terms as the Investors’ Warrants, except that the Placement Agent Warrant has an exercise price of $2.375 per share and are not exercisable until June 24, 2021.

The net proceeds offering were $7,338,500, after deducting underwriting discounts and commissions and other estimated offering expenses, and were received on December 29, 2020. The Company issued 4,210,530 shares of its Common Stock to the purchaser on December 29, 2020. During the three months ended March 31, 2021, the Investors Warrants to purchase an aggregate of 4,210,530 shares of common stock were fully exercised by the investors.

On January 11, 2021, the Company entered into a securities purchase agreement with certain purchasers identified on the signature page thereto, pursuant to which the Company sold to the purchasers in a registered direct offering, an aggregate of 3,000,000 share of its common stock, par value $0.001 per share at a purchase price of $5.00 per share, for aggregate net proceeds to the Company of $13,797,732, after deducting fees to the placement agent and other offering expenses payable by the Company. On January 13, 2021, the Company issued 3,000,000 shares of common stock pursuant to this Agreement.

On February 9, 2021, the Company entered into a securities purchase agreement with certain purchasers identified on the signature page thereto, pursuant to which the Company sold to the purchasers in a registered direct offering, an aggregate of 2,000,000 shares of its common stock, par value $0.001 per share at a purchase price of $5.95 per share, for aggregate net proceeds to the Company of $10,992,250, after deducting fees to the placement agent and other offering expenses payable by the Company. The Company issued 2,000,000 shares of common stock to the purchasers on February 11, 2021.

On April 1, 2021, the Company entered into a Securities Purchase Agreement with certain purchasers identified on the signature page thereto (the “Purchasers”), pursuant to which the Company sold to the Purchasers in a registered direct offering, an aggregate of 5,737,706 shares of its common stock, par value $0.001 per share at a purchase price of $6.10 per share, for aggregate net proceeds to the Company of approximately $32,380,492, after deducting fees to the placement agent and other offering expenses payable by the Company. The Company issued 5,737,706 shares of common stock to the purchasers on April 5, 2021.

On April 12, 2017, the Company entered into a Securities Purchase Agreement with certain purchasers (the “Purchasers”), pursuant to which the Company offered and sold to the Purchasers, in a registered direct offering, an aggregate of 862,097 shares of common stock, par value $0.001 per share. In a concurrent private placement, the Company also issued to the each of the Purchasers a warrant to purchase one (1) share of the Company’s Common Stock for each share purchased under the Purchase Agreement, pursuant to that certain Common Stock Purchase Warrant, by and between the Company and each Purchaser (each, a “Warrant”, and collectively, the “Warrants”). The Warrants will be exercisable beginning on the six-months anniversary of the date of issuance at an initial exercise price of $5.20 per share and will expire on the five and a half year anniversary of the date of issuance.

During the six months ended June 30, 2021, the holders of the Warrants purchased an aggregate of 319,350 shares of common stock of the Company for $1,654,224, of which 1,230 shares of common stock were issued based upon cashless exercises.