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Common Stock | 6 Months Ended
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Jun. 30, 2021
Equity [Abstract] |
Common Stock | 7. COMMON STOCK The Company has 50,700,000 authorized shares of common stock, par value $0.0001 per share, of which 3,764,488 shares were issued and outstanding as of June 30, 2021 and December 31, 2021. In October 2020, the Company entered into a common stock purchase agreement with a director of the Company to issue and sell 29,674 shares of its common stock for a total purchase price of $0.2 million. In March 2020, the Company entered into a common stock purchase agreement with a director of the Company to issue and sell 182,500 shares of its common stock for a total purchase price of $0.2 million.

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