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Subsequent Events - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended 34 Months Ended
May 30, 2023
Mar. 24, 2023
Mar. 21, 2023
Mar. 14, 2023
Jan. 30, 2023
Mar. 04, 2022
Mar. 18, 2020
Nov. 09, 2018
Mar. 27, 2023
Dec. 31, 2022
Dec. 31, 2021
Mar. 24, 2023
Mar. 31, 2023
Jan. 31, 2023
Aug. 19, 2022
Subsequent Event [Line Items]                              
Proceeds from issuance of common stock, net of issuance costs                   $ 8,909,718 $ 3,139,047        
Stock options granted                   960,500          
Common stock, par value                   $ 0.0001 $ 0.0001        
Second Term Loan                              
Subsequent Event [Line Items]                              
Proceeds from issuance of debt                   $ 7,000,000.0          
At-the-Market Facility                              
Subsequent Event [Line Items]                              
Issuance of common stock, net of issuance costs, shares                   3,312,471 877,107        
Proceeds from issuance of common stock gross                   $ 6,500,000 $ 2,800,000        
Common stock offering costs                   200,000 200,000        
Proceeds from issuance of common stock, net of issuance costs                   $ 6,300,000 $ 2,600,000        
Maximum | At-the-Market Facility                              
Subsequent Event [Line Items]                              
Aggregate offering price of common stock             $ 50,000,000.0 $ 50,000,000.0              
Weighted Average | At-the-Market Facility                              
Subsequent Event [Line Items]                              
Issuance of common stock, gross sale price per share                   $ 1.9749 $ 3.1692        
SWK Credit Agreement | Lenders Party and SWK Funding LLC | Second Term Loan | Scenario Forecast                              
Subsequent Event [Line Items]                              
Minimum cash balance required by the loan covenants                         $ 3,000,000.0    
SWK Credit Agreement | Lenders Party and SWK Funding LLC | Original Term Loan                              
Subsequent Event [Line Items]                              
Debt instrument, principal amount           $ 6,500,000                  
Debt instrument, frequency of periodic payment                   quarterly          
Warrant issued to purchase common stock           150,000                 100,000
Warrant, exercise price           $ 2.46                 $ 1.51
SWK Credit Agreement | Lenders Party and SWK Funding LLC | Original Term Loan | SOFR                              
Subsequent Event [Line Items]                              
Debt instrument, frequency of periodic payment                   quarterly          
SWK Credit Agreement | Lenders Party and SWK | Original Term Loan                              
Subsequent Event [Line Items]                              
Debt instrument, principal amount           $ 6,500,000                  
Debt instrument, interest rate                   15.80%          
SWK Credit Agreement | Lenders Party and SWK | Original Term Loan | If ACER-001 Approval does not Occur on or Before December 31, 2022                              
Subsequent Event [Line Items]                              
Debt instrument, maturity date           Mar. 04, 2024                  
SWK Credit Agreement | Lenders Party and SWK | Original Term Loan | Scenario Forecast                              
Subsequent Event [Line Items]                              
Minimum cash balance required by the loan covenants                         $ 3,000,000.0    
SWK Credit Agreement | Lenders Party and SWK | Original Term Loan | LIBOR                              
Subsequent Event [Line Items]                              
Debt instrument, basis spread on variable rate           11.00%                  
Debt instrument, frequency of periodic payment                   quarterly          
Debt instrument, periodic payment, principal           $ 700,000                  
Debt instrument, interest rate           1.00%                  
Marathon Convertible Note Purchase Agreement | MAM Aardvark, LLC and Marathon Healthcare Finance Fund, L.P. | Marathon Convertible Notes                              
Subsequent Event [Line Items]                              
Debt instrument, principal amount           $ 6,000,000.0                  
Debt instrument, frequency of periodic payment                   quarterly          
Debt instrument, interest rate           6.50%                  
Marathon Convertible Note Purchase Agreement | MAM Aardvark, LLC and Marathon Healthcare Finance Fund, L.P. | Marathon Convertible Notes | Scenario Forecast                              
Subsequent Event [Line Items]                              
Buy-Out percentage 212.50%                            
Marathon Credit Agreement | Lender Party and Marathon | Term Loan                              
Subsequent Event [Line Items]                              
Debt instrument, principal amount           $ 42,500,000                  
Debt instrument, frequency of periodic payment                   quarterly          
Debt instrument, maturity date           Dec. 31, 2028                  
Termination agreement date         Jan. 30, 2023                    
Payment for additional commitment fees           $ 600,000                  
Debt instrument, interest rate           13.50%                  
Securities Purchase Agreement | Maximum                              
Subsequent Event [Line Items]                              
Aggregate offering price of common stock             $ 50,000,000.0                
Subsequent Event                              
Subsequent Event [Line Items]                              
Issuance of common stock, net of issuance costs, shares   2,335,000                          
Proceeds from issuance of common stock gross   $ 2,700,000                          
Stock options granted       630,000                      
Subsequent Event | Pre-Funded Warrants                              
Subsequent Event [Line Items]                              
Warrant issued to purchase common stock   585,306                   585,306      
Subsequent Event | Common Warrants                              
Subsequent Event [Line Items]                              
Warrant issued to purchase common stock   2,920,306                   2,920,306      
Subsequent Event | At-the-Market Facility                              
Subsequent Event [Line Items]                              
Issuance of common stock, net of issuance costs, shares                 1,462,254            
Proceeds from issuance of common stock gross                 $ 4,100,000     $ 20,600,000      
Common stock offering costs                 100,000            
Proceeds from issuance of common stock, net of issuance costs                 $ 4,000,000.0            
Subsequent Event | Weighted Average | At-the-Market Facility                              
Subsequent Event [Line Items]                              
Issuance of common stock, gross sale price per share                 $ 2.81            
Subsequent Event | SWK Credit Agreement | Original Term Loan And Swk Loans | Second Term Loan                              
Subsequent Event [Line Items]                              
Debt instrument, principal amount                           $ 7,000,000.0  
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | SOFR                              
Subsequent Event [Line Items]                              
Debt instrument, periodic payment, principal         $ 600,000                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Second Term Loan                              
Subsequent Event [Line Items]                              
Minimum cash balance required by the loan covenants         $ 1,500,000                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Second Term Loan | Repayment Occurs On or Before After April 15 2023                              
Subsequent Event [Line Items]                              
Debt instrument repayment percentage on outstanding principal amount         1.18%                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Second Term Loan | Repayment Occurs On Or After April 16, 2023 But Prior to May 16, 2023                              
Subsequent Event [Line Items]                              
Debt instrument repayment percentage on outstanding principal amount         1.28667%                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Second Term Loan | Repayment Occurs On Or After May 16, 2023 But Prior to June 16, 2023                              
Subsequent Event [Line Items]                              
Debt instrument repayment percentage on outstanding principal amount         1.39334%                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Second Term Loan | Repayment Occurs On Or After July 16 2023                              
Subsequent Event [Line Items]                              
Debt instrument repayment percentage on outstanding principal amount         1.50%                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Original Term Loan                              
Subsequent Event [Line Items]                              
Amortizing date of Principal payment         Apr. 15, 2023                    
Warrant issued to purchase common stock         250,000                    
Warrant, exercise price         $ 2.39                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Original Term Loan | If ACER-001 Approval does not Occur on or Before December 31, 2022                              
Subsequent Event [Line Items]                              
Debt instrument, maturity date         Mar. 04, 2024                    
Debt instrument repayment percentage on outstanding principal amount         150.00%                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Original Term Loan | SOFR                              
Subsequent Event [Line Items]                              
Debt instrument, basis spread on variable rate         11.00%                    
Amortizing date of Principal payment         May 15, 2023                    
Debt instrument, periodic payment, principal         $ 1,300,000                    
Debt instrument, interest rate         1.00%                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | March 2023 Offering | Original Term Loan                              
Subsequent Event [Line Items]                              
Proceeds from issuance of common stock, net of issuance costs         $ 10,000,000.0                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Minimum | Second Term Loan                              
Subsequent Event [Line Items]                              
Liquidity covenant, accounts payable number of days past due         90 days                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK Funding LLC | Minimum | Original Term Loan                              
Subsequent Event [Line Items]                              
Proceeds from issuance of debt         $ 7,700,000                    
Subsequent Event | SWK Credit Agreement | Lenders Party and SWK | Original Term Loan                              
Subsequent Event [Line Items]                              
Minimum cash balance required by the loan covenants         $ 1,500,000                    
Number of days required for cash balance         14 days                    
Subsequent Event | Marathon Convertible Note Purchase Agreement | MAM Aardvark, LLC and Marathon Healthcare Finance Fund, L.P. | Marathon Convertible Notes                              
Subsequent Event [Line Items]                              
Number of business days for repurchase of convertible note         5 days                    
Buy-Out percentage         200.00%                    
Number of business days for payment in full of all senior indebtedness         5 days                    
Increase in Buy-Out percentage         0.2500                    
Subsequent Event | Marathon Convertible Note Purchase Agreement | MAM Aardvark, LLC and Marathon Healthcare Finance Fund, L.P. | Minimum | Marathon Convertible Notes                              
Subsequent Event [Line Items]                              
Gross proceeds from issuance or sale of equity, debt and/or hybrid securities, loans or other financing         $ 40,000,000.0                    
Subsequent Event | Marathon Credit Agreement | Marathon Convertible Notes                              
Subsequent Event [Line Items]                              
Termination agreement date                 Jan. 30, 2023            
Subsequent Event | Securities Purchase Agreement                              
Subsequent Event [Line Items]                              
Issuance of common stock, net of issuance costs, shares     2,335,000                        
Proceeds from issuance of common stock gross     $ 2,700,000                        
Proceeds from issuance of common stock, net of issuance costs     $ 2,300,000                        
Common stock, par value     $ 0.0001                        
Combined purchase price for one Share and one Common Warrant     0.916                        
Combined purchase price for one Pre-Funded Warrant and one Common Warrant     $ 0.915                        
Subsequent Event | Securities Purchase Agreement | Placement Agent                              
Subsequent Event [Line Items]                              
Percentage of aggregate gross proceeds of offering equal to cash fee     7.50%                        
Non-accountable expense allowance     $ 70,000                        
Clearing fees     $ 15,950                        
Period of right of first refusal     6 months                        
Subsequent Event | Securities Purchase Agreement | Pre-Funded Warrants                              
Subsequent Event [Line Items]                              
Warrant issued to purchase common stock     585,306                        
Warrant, exercise price     $ 0.001                        
Outstanding common stock beneficially owning percentage     9.99%                        
Subsequent Event | Securities Purchase Agreement | Common Warrants                              
Subsequent Event [Line Items]                              
Warrant issued to purchase common stock     2,920,306                        
Warrant, exercise price     $ 0.791                        
Warrants term     5 years 6 months                        
Subsequent Event | Securities Purchase Agreement | Maximum | Pre-Funded Warrants                              
Subsequent Event [Line Items]                              
Outstanding common stock beneficially owning percentage     4.99%