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Debt - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Jul. 15, 2023
Jun. 22, 2023
Jun. 16, 2023
Jun. 15, 2023
May 30, 2023
May 15, 2023
Jan. 30, 2023
Aug. 19, 2022
Mar. 14, 2022
Mar. 04, 2022
Sep. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Sep. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Aug. 30, 2023
Jun. 30, 2023
May 12, 2023
Jan. 31, 2023
Debt Instrument [Line Items]                                            
Cash and cash equivalents                     $ 594,659   $ 2,329,218     $ 594,659   $ 2,329,218        
Debt issuance costs incurred                                   1,200,000        
Loss on extinguishment of debt                               (8,541,494)            
Change in fair value of debt instruments gain (loss)                     1,722,496     $ (324,550)   6,740,719 $ (4,091,610)          
Cost of debt issuance                           $ 122,400   577,225 $ 1,490,594          
First SWK Warrant                                            
Debt Instrument [Line Items]                                            
Proceeds allocated to First SWK Warrant                             $ 327,031              
Fair value of warrant                     300,000         300,000            
Third SWK Warrant                                            
Debt Instrument [Line Items]                                            
Proceeds allocated to First SWK Warrant                       $ 472,500                    
Cost of debt issuance                               500,000            
Fourth SWK Warrant                                            
Debt Instrument [Line Items]                                            
Warrant, exercise price     $ 1                                      
Class of warrant expiration date     Jun. 16, 2030                                      
Loss on extinguishment of debt     $ (400,000)                                      
Fourth SWK Warrant | Common Stock                                            
Debt Instrument [Line Items]                                            
Warrant issued to purchase common stock     500,000                                      
Financial Advisor                                            
Debt Instrument [Line Items]                                            
Debt issuance costs incurred                                   700,000        
SWK and Holders                                            
Debt Instrument [Line Items]                                            
Debt issuance costs incurred                                   500,000        
Bridge Loan Agreement                                            
Debt Instrument [Line Items]                                            
Debt instrument, borrowed in advance                               13,400,000            
Interest expense                               100,000            
Operating activities                               3,400,000            
Debt instrument, interest rate                                     12.00%      
Bridge Loan Agreement | Maximum                                            
Debt Instrument [Line Items]                                            
Payment of consideration required by termination agreement                               10,000,000            
Term Loan                                            
Debt Instrument [Line Items]                                            
Commitment fee payable                         600,000         600,000        
Deferred financing costs, current                         400,000         400,000        
Debt related expense commitment fee                               $ 400,000   200,000        
Schelling Promissory Note                                            
Debt Instrument [Line Items]                                            
Issuance of unsecured subordinated promissory note   $ 1,000,000                                        
Promissory note principal amount accrue interest rate   6.00%                                        
Principal and accrued interest due and payable maturity date   Aug. 21, 2023                                        
Promissory notes unpaid balance thereafter accrue interest percentage annually   10.00%                                        
Schelling Promissory Note | Minimum                                            
Debt Instrument [Line Items]                                            
Common stock outstanding owners percentage   10.00%                                        
Unsecured Promissory Note                                            
Debt Instrument [Line Items]                                            
Debt instrument, maturity date, description                               the maturity date of the Schelling Promissory Note from August 21, 2023            
Original Term Loan                                            
Debt Instrument [Line Items]                                            
Fair value of loan                     6,200,000         $ 6,200,000            
Original Term Loan and Convertible Note Financing | Financial Advisor                                            
Debt Instrument [Line Items]                                            
Payment for funding fee for services                               $ 500,000            
Bridge Loan Agreement and Security Agreement                                            
Debt Instrument [Line Items]                                            
Line of credit facility, maximum borrowing capacity                                     $ 6,500,000      
Bridge Loan Agreement and Security Agreement | Maximum                                            
Debt Instrument [Line Items]                                            
Line of credit facility, current borrowing capacity                                     $ 10,000,000      
SWK Credit Agreement | Lenders Party and SWK | If ACER-001 Approval does not Occur on or Before December 31, 2022                                            
Debt Instrument [Line Items]                                            
Debt instrument, maturity date                               Mar. 04, 2024            
SWK Credit Agreement | Lenders Party and SWK Funding LLC | SOFR                                            
Debt Instrument [Line Items]                                            
Debt instrument, periodic payment, principal                         $ 1,300,000     $ 600,000            
SWK Credit Agreement | Nantahala                                            
Debt Instrument [Line Items]                                            
Minimum cash balance required by the loan covenants                     $ 1,300,000         $ 1,300,000            
SWK Credit Agreement | Original Term Loan | Lenders Party and SWK                                            
Debt Instrument [Line Items]                                            
Debt instrument, principal amount                   $ 6,500,000                        
Debt instrument, interest rate                     16.30%         16.30%            
Debt instrument, interest rate, increase                   3.00%                        
Debt instrument, maturity date, description                               The final maturity date of the Original Term Loan is March 4, 2024            
Minimum cash balance required by the loan covenants             $ 1,500,000                           $ 3,000,000  
Principal payments in 2023                     $ 2,100,000         $ 2,100,000            
Origination fees                 $ 100,000                          
SWK Credit Agreement | Original Term Loan | Lenders Party and SWK | If ACER-001 Approval does not Occur on or Before December 31, 2022                                            
Debt Instrument [Line Items]                                            
Debt instrument, maturity date                   Mar. 04, 2024                        
Debt instrument repayment percentage on outstanding principal plus any and all paid-in-kind interest amount                   150.00%                        
SWK Credit Agreement | Original Term Loan | Lenders Party and SWK | SWK Warrant                                            
Debt Instrument [Line Items]                                            
Warrant issued to purchase common stock               100,000   150,000                        
Warrant, exercise price               $ 1.51   $ 2.46                        
Proceeds allocated to First SWK Warrant               $ 100,000   $ 300,000                        
SWK Credit Agreement | Original Term Loan | Lenders Party and SWK | LIBOR                                            
Debt Instrument [Line Items]                                            
Debt instrument, description of variable rate basis                               3-month LIBOR            
Debt instrument, interest rate                   1.00%                        
Debt instrument, basis spread on variable rate                   11.00%                        
Debt instrument, periodic payment, principal                   $ 700,000                        
Debt instrument, frequency of periodic payment                               quarterly            
Loan amortization commencing date                   Feb. 15, 2023                        
SWK Credit Agreement | Original Term Loan | Lenders Party and SWK Funding LLC                                            
Debt Instrument [Line Items]                                            
Debt instrument, interest rate, increase             3.00%                              
Warrant issued to purchase common stock             250,000                              
Warrant, exercise price             $ 2.39                              
Loss on extinguishment of debt                               $ (2,700,000)            
Change in fair value of debt instruments gain (loss)                               (300,000)            
SWK Credit Agreement | Original Term Loan | Lenders Party and SWK Funding LLC | If ACER-001 Approval does not Occur on or Before December 31, 2022                                            
Debt Instrument [Line Items]                                            
Debt instrument repayment percentage on outstanding principal amount             150.00%                              
SWK Credit Agreement | Original Term Loan | Lenders Party and SWK Funding LLC | SOFR                                            
Debt Instrument [Line Items]                                            
Debt instrument, interest rate             1.00%                              
Debt instrument, basis spread on variable rate             11.00%                              
SWK Credit Agreement | Second Term Loan | Lenders Party and SWK                                            
Debt Instrument [Line Items]                                            
Minimum cash balance required by the loan covenants             $ 1,500,000                           3,000,000  
SWK Credit Agreement | Second Term Loan | Original Term Loan And Term Loans                                            
Debt Instrument [Line Items]                                            
Debt instrument, principal amount                                           $ 7,000,000
SWK Credit Agreement | Second Term Loan | Lenders Party and SWK Funding LLC                                            
Debt Instrument [Line Items]                                            
Principal amortization payments       $ 600,000   $ 600,000                                
Quarterly interest payment due $ 500,000                                          
Change in fair value of debt instruments gain (loss)                               $ (3,400,000)            
SWK Credit Agreement | Second Term Loan | Lenders Party and SWK Funding LLC | Repayment Occurs On Or After April 16, 2023 But Prior to May 16, 2023                                            
Debt Instrument [Line Items]                                            
Debt instrument repayment percentage on outstanding principal amount             1.28667%                              
SWK Credit Agreement | Second Term Loan | Lenders Party and SWK Funding LLC | Repayment Occurs On Or After May 16, 2023 But Prior to June 16, 2023                                            
Debt Instrument [Line Items]                                            
Debt instrument repayment percentage on outstanding principal amount             1.39334%                              
SWK Credit Agreement | Second Term Loan | Lenders Party and SWK Funding LLC | Repayment Occurs On Or After June 16, 2023                                            
Debt Instrument [Line Items]                                            
Debt instrument repayment percentage on outstanding principal amount             1.50%                              
SWK Credit Agreement | Third Term Loan | Lenders Party and SWK                                            
Debt Instrument [Line Items]                                            
Debt instrument, maturity date, description                               The final maturity date of the Term Loans is March 4, 2024            
SWK Credit Agreement | Third Term Loan | Lenders Party and SWK Funding LLC                                            
Debt Instrument [Line Items]                                            
Minimum cash balance required by the loan covenants         $ 1,750,000                             $ 1,250,000 $ 3,000,000  
minimum unencumbered liquid assets current requirement                     $ 500,000         $ 500,000       $ 500,000    
Secured Convertible Note Purchase Agreement | Secured Convertible Notes | MAM Aardvark, LLC and Marathon Healthcare Finance Fund, L.P.                                            
Debt Instrument [Line Items]                                            
Debt instrument, principal amount                   $ 6,000,000                        
Debt instrument, interest rate                   6.50%                        
Debt instrument, interest rate, increase                   11.50%                        
Debt instrument, frequency of periodic payment                               quarterly            
Conversion price                   $ 2.5                        
Debt instrument, shares upon conversion of original principal amount                   2,400,000                        
Marathon Credit Agreement | Term Loan | Lender Party and Marathon                                            
Debt Instrument [Line Items]                                            
Payment for commitment fees                                   $ 200,000        
Marathon Credit Agreement | Marathon Term Loan | Lender Party and Marathon                                            
Debt Instrument [Line Items]                                            
Debt instrument, principal amount                   $ 42,500,000                        
Debt instrument, interest rate                   13.50%                        
Debt instrument, frequency of periodic payment                               quarterly            
Debt instrument, maturity date, description                               The final maturity date of the Marathon Term Loan would have been the earlier of six years after the Marathon Term Loan Funding Date or December 31, 2028.            
Debt instrument, maturity date                   Dec. 31, 2028                        
Percentage of option to capitalize                   4.00%                        
Debt instrument amortization percentage                   2.78%                        
Percentage of prepayment, prior to March 4, 2025                   5.00%                        
Percentage of prepayment, on or after March 4, 2025, but prior to March 4, 2026                   3.00%                        
Percentage of prepayment, on or after March 4, 2026, but prior to March 4, 2027                   2.00%                        
Percentage of prepayment, on or after March 4, 2027                   1.00%                        
Payment for commitment fees                   $ 200,000                        
Payment for additional commitment fees                   $ 600,000                        
Percentage of aggregate revenue as royalty payments                   2.00%                        
Royalty payments on aggregate revenue cap amount                   $ 15,000,000                        
Termination agreement date                   Jan. 30, 2023                        
Percentage of term loan amount equal to commitment fee                   1.50%                        
Additional amount of accordion commitment                   $ 50,000,000                        
Total commitment                   $ 92,500,000                        
Marathon Convertible Note Purchase Agreement | MAM Aardvark, LLC and Marathon Healthcare Finance Fund, L.P. | Minimum                                            
Debt Instrument [Line Items]                                            
Gross proceeds from issuance or sale of equity, debt and/or hybrid securities, loans or other financing             $ 40,000,000                              
Marathon Convertible Note Purchase Agreement | Marathon Convertible Notes                                            
Debt Instrument [Line Items]                                            
Loss on extinguishment of debt                               $ (5,000,000)            
Marathon Convertible Note Purchase Agreement | Marathon Convertible Notes | MAM Aardvark, LLC and Marathon Healthcare Finance Fund, L.P.                                            
Debt Instrument [Line Items]                                            
Buy-Out percentage         212.50%   200.00%                              
Increase in Buy-Out percentage             0.2500                              
Number of business days for repurchase of convertible note             5 days                              
Number of business days for payment in full of all senior indebtedness             5 days                              
Marathon Convertible Note Purchase Agreement | Pre-modification Marathon Convertible Note                                            
Debt Instrument [Line Items]                                            
Change in fair value of debt instruments gain (loss)                               500,000            
Marathon Convertible Note Purchase Agreement | Post-modification Marathon Convertible Note                                            
Debt Instrument [Line Items]                                            
Change in fair value of debt instruments gain (loss)                               $ (4,200,000)