Quarterly report pursuant to Section 13 or 15(d)

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (DEFICIT) (Parentheticals)

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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (DEFICIT) (Parentheticals)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
$ / shares
At-the-Market Offering [Member]  
Sale of common stock, transactional costs | $ $ 40
Series D Preferred Stock [Member] | Settlement of Preferred Stock [Member] | Common Stock [Member]  
Options, per share (in Dollars per share) | $ / shares $ 2.96