XML 52 R30.htm IDEA: XBRL DOCUMENT v3.23.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
12 Months Ended
Oct. 17, 2022
Apr. 05, 2021
USD ($)
$ / shares
shares
Mar. 30, 2021
$ / shares
shares
Dec. 31, 2022
USD ($)
segment
shares
Dec. 31, 2021
USD ($)
shares
Nov. 07, 2022
Oct. 03, 2022
USD ($)
Jul. 15, 2022
Oct. 02, 2020
USD ($)
Jul. 22, 2020
USD ($)
Significant Accounting Policies Disclosure [Line Items]                    
Reverse stock split ratio 0.05                  
Sale of stock, shelf registration maximum equity offering price                 $ 200,000,000  
Shares issued, price per share (in dollars per share) | $ / shares   $ 20.00                
Property, plant and equipment, useful life       3 years            
Estimated probability of financing (as a percent)       60.00%       90.00%    
Change in fair value of derivative liabilities       $ 437,000            
General and administrative       $ 11,008,900 $ 9,662,875          
Antidilutive securities excluded from computation of earnings per share, amount (in shares) | shares       13,582,749 2,196,950          
Number of operating segments | segment       1            
Fair Value, Recurring                    
Significant Accounting Policies Disclosure [Line Items]                    
Fair value disclosure liability       $ 5,380,646            
2022 Convertible Note | Convertible Debt                    
Significant Accounting Policies Disclosure [Line Items]                    
Percentage of total market capitalization       7.50%            
Percentage of total outstanding principal       50.00%            
CMO                    
Significant Accounting Policies Disclosure [Line Items]                    
Accounts payable       $ 2,700,000            
Purchase Benchmark | Supplier Concentration Risk | CMO                    
Significant Accounting Policies Disclosure [Line Items]                    
Concentration risk (as a percent)       21.00%            
Unsecured Convertible Promissory Note                    
Significant Accounting Policies Disclosure [Line Items]                    
Restricted cash       $ 16,900,000            
Letter of Credit                    
Significant Accounting Policies Disclosure [Line Items]                    
Restricted cash             $ 100,000      
Minimum | 2022 Convertible Note | Convertible Debt                    
Significant Accounting Policies Disclosure [Line Items]                    
Debt instrument, covenant compliance, liquidity requirement (as a percent)           80.00%   110.00%    
Minimum | Letter of Credit                    
Significant Accounting Policies Disclosure [Line Items]                    
Restricted cash             $ 23,600      
Patent Costs                    
Significant Accounting Policies Disclosure [Line Items]                    
General and administrative       $ 499,000 $ 470,000          
Public Stock Offering                    
Significant Accounting Policies Disclosure [Line Items]                    
Number of shares issued on transaction (in shares) | shares     1,500,000              
Shares issued, price per share (in dollars per share) | $ / shares     $ 20.00              
Consideration received on transaction   $ 31,500,000                
Over-Allotment Option                    
Significant Accounting Policies Disclosure [Line Items]                    
Number of shares issued on transaction (in shares) | shares     225,000              
Sale of stock, option period     30 days              
April 2021 Offering                    
Significant Accounting Policies Disclosure [Line Items]                    
Number of shares issued on transaction (in shares) | shares   1,725,000                
April 2021 Offering | Chief Executive Officer, Chief Financial Officer, and Chairman of Board of Directors                    
Significant Accounting Policies Disclosure [Line Items]                    
Number of shares issued on transaction (in shares) | shares   22,500                
Consideration received on transaction   $ 450,000                
SunTrust Robinson Humphrey                    
Significant Accounting Policies Disclosure [Line Items]                    
Sale of stock, ATM maximum equity offering price                   $ 40,000,000