XML 53 R40.htm IDEA: XBRL DOCUMENT v3.22.1
Common Stock and Convertible Preferred Stock (Details)
3 Months Ended
Jul. 23, 2021
USD ($)
Jun. 25, 2021
USD ($)
shares
Mar. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Class of Stock [Line Items]        
Issuance of common stock for cash, net of issuance cost of $44 (in shares)   5,365,899    
StockholdersEquityNoteStockSplitExchangeRatio   0.0322 0.0322  
Common stock, shares authorized     100,000,000 100,000,000
Common stock, shares outstanding     7,173,094 6,910,324
Common stock, par value (in dollars per share) | $ / shares     $ 0.001 $ 0.001
Dividends, Common Stock | $     $ 0  
Common Stock, Voting Rights     one  
Preferred Stock, Shares Authorized     5,000,000 5,000,000
Preferred Stock, Par or Stated Value Per Share | $ / shares     $ 0.001 $ 0.001
At-The-Market Program | Jefferies LLC        
Class of Stock [Line Items]        
Sale of Stock, Amount Authorized | $ $ 100,000,000      
Private Tempest Preferred Stock Member        
Class of Stock [Line Items]        
Stock Issued During Period, Shares, Conversion of Units   3,692,912    
Common Stock        
Class of Stock [Line Items]        
Issuance of common stock for cash, net of issuance cost of $44 (in shares)     262,770  
Stock Issued During Period, Shares, Conversion of Units   1,136,849    
Stock Issued During Period, Value, Conversion of Units | $   $ 30,000,000    
Common stock, shares authorized     100,000,000