Quarterly report pursuant to Section 13 or 15(d)

Preliminary Purchase Price - Summary of Shares Issuance of Merger Agreement (Details) (Parenthetical)

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Preliminary Purchase Price - Summary of Shares Issuance of Merger Agreement (Details) (Parenthetical) - Pro Forma [Member] - $ / shares
 4 Months Ended
Apr. 16, 2021
Mar. 31, 2021
Number of fully vested stock options, outstanding  
Subsequent Event [Member]    
Number of warrants outstanding [1] 986,486  
Number of shares issuable upon outstanding warrants 5,463,032  
Strike price $ 3.44  
Number of fully vested stock options, outstanding 4,188,315  
[1] 986,486 shares of Company common stock underlying outstanding the Company's pre-funded warrants are included in the calculation of the estimated total number of shares to be issued upon the completion of the Merger. An additional 5,463,032 shares issuable upon exercise of the outstanding the Company's warrants with a strike price in excess of $3.44 were excluded per the Merger Agreement.