|  |  |  | 
               
                Per Share 
               
             | 
             |  | 
               
                Total 
               
             | 
             | ||||||
| 
               
                Public offering price 
               
             | 
             |  |  | $ | 10.2500 |  |  |  |  | $ | 40,000,010 |  |  | 
| 
               
                Underwriting discounts and commissions(1)
               
             | 
             |  |  | $ | 0.7175 |  |  |  |  | $ | 2,800,001 |  |  | 
| 
               
                Proceeds, before expenses, to us 
               
             | 
             |  |  | $ | 9.5325 |  |  |  |  | $ | 37,200,009 |  |  | 
|  |  |  | 
               
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                Offering price per share 
               
             | 
             |  |  |  |  |  |  |  |  | $ | 10.25 |  |  | 
|  | 
               
                Historical net tangible book value per share as of September 30, 2020 
               
             | 
             |  |  | $ | 1.01 |  |  |  |  |  |  |  |  | 
|  | 
               
                Increase per share attributable to new investors 
               
             | 
             |  |  | $ | 2.66 |  |  |  |  |  |  |  |  | 
|  | 
               
                Pro forma net tangible book value per share as of September 30, 2020, after giving effect to this offering 
               
             | 
             |  |  |  |  |  |  |  |  | $ | 3.67 |  |  | 
|  | 
               
                Dilution per share to new investors purchasing our common stock in this offering 
               
             | 
             |  |  |  |  |  |  |  |  | $ | 6.58 |  |  | 
| 
               
                Underwriter 
               
             | 
             |  | 
               
                Number of
                 
            Shares  | 
             | |||
| 
               
                H.C. Wainwright & Co., LLC 
               
             | 
             |  |  |  | 3,902,440 |  |  | 
| 
               
                Per Share 
               
             | 
             |  | 
               
                Total
                 
            Without Option  | 
             |  | 
               
                Total
                 
            With Option  | 
             | ||||||
| 
               
                Public offering price 
               
             | 
             |  |  | $ | 40,000,010 |  |  |  |  |  | 46,000,012 |  |  | 
| 
               
                Underwriting discounts and commissions payable by us 
               
             | 
             |  |  | $ | 2,800,001 |  |  |  |  |  | 3,220,001 |  |  | 
| 
               
                Proceeds, before expenses, to us 
               
             | 
             |  |  | $ | 37,200,009 |  |  |  |  |  | 42,780,011 |  |  | 
        |  |  |  | 
               
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