Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Narrative (Details)

v3.22.2.2
Stockholders' Equity - Narrative (Details)
3 Months Ended
Apr. 22, 2022
USD ($)
$ / shares
shares
Aug. 31, 2021
USD ($)
$ / shares
shares
Aug. 16, 2021
USD ($)
$ / shares
shares
Aug. 12, 2021
USD ($)
$ / shares
shares
Jul. 21, 2021
USD ($)
$ / shares
shares
Mar. 08, 2020
shares
Feb. 04, 2020
$ / shares
Jul. 31, 2022
USD ($)
plan
shares
Jul. 31, 2021
USD ($)
shares
Jul. 06, 2022
shares
Jul. 05, 2022
shares
Apr. 30, 2022
USD ($)
shares
Apr. 25, 2022
$ / shares
shares
Dec. 22, 2021
shares
Dec. 30, 2020
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Number of stock-based incentive plans | plan               2              
Transfer of unused awards (in shares)           129,009                  
Common stock, shares authorized (in shares)               60,000,000   60,000,000 40,000,000 60,000,000      
Preferred stock, shares authorized (in shares)               1,000,000       1,000,000      
Preferred stock outstanding (in shares)               0       0      
Preferred stock issued (in shares)               0       0      
Share price (in dollars per share) | $ / shares             $ 9.49                
Deferred financing costs | $               $ 302,834       $ 369,902      
Unrecognized compensation costs | $               $ 130              
Treasury stock (in shares)               155,486       155,486      
Treasury stock, value | $               $ 1,817,414       $ 1,817,414      
Revolving Credit Facility | Two Thousand Twenty Two Revolving Credit Facility                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Deferred financing costs | $               $ 112,100              
Restricted Stock                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Unvested shares of restricted common stock outstanding (in shares)               0              
Total unrecognized compensation expense | $               $ 0              
RSUs                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Unvested shares of restricted common stock outstanding (in shares)               742,755       929,928      
Total unrecognized compensation expense | $               $ 2,635,885              
Shares granted (in shares)               0              
Grant date fair value | $       $ 1,000,000                      
Share price (in dollars per share) | $ / shares       $ 6.48                      
Weighted average recognition period               1 year 4 months 13 days              
RSUs | Share-based Payment Arrangement, Tranche Three                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Unvested shares of restricted common stock outstanding (in shares)               162,500              
Weighted average recognition period             4 years                
Minimum closing price of common stock (in dollars per share) | $ / shares             $ 12                
Consecutive trading days             20 days                
RSUs | Chief Financial Officer                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Shares granted (in shares)     125,000                        
Grant date fair value | $     $ 725,000                        
Share price (in dollars per share) | $ / shares     $ 5.80                        
RSUs | Chief Academic Officer                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Shares granted (in shares)       80,000                      
RSUs | Chief Operating Officer                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Shares granted (in shares)       80,000                      
RSUs | Chief Executive Officer                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Shares granted (in shares)         125,000                    
Grant date fair value | $         $ 873,750                    
Share price (in dollars per share) | $ / shares         $ 6.99                    
Amortization expense | $               $ 242,708 $ 72,813            
Amortization period of expense         3 years                    
RSUs | Chief Nursing Officer                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Amortization expense | $               34,150 $ 112,155            
Warrant                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Vesting period of warrant   5 years                     5 years    
Warrant | Intercreditor Agreement                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Number of securities called by warrants or rights (in shares) 100,000                            
Exercise price of warrants (in dollars per share) | $ / shares $ 1.00                            
Fair value of warrants outstanding | $ $ 118,000                            
Deferred financing costs | $               112,100       $ 118,000      
Loss on asset disposition | $               5,900              
Exercise period of warrant 5 years                            
Warrant | Revolving Credit Facility | Two Thousand Twenty Two Revolving Credit Facility                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Number of securities called by warrants or rights (in shares)                         100,000    
Exercise price of warrants (in dollars per share) | $ / shares                         $ 1.00    
Warrant | Revolving Credit Facility | Credit Facility Agreement                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Vesting period of warrant   14 months                          
Fair value of warrants outstanding | $   $ 137,500                          
Warrant | Leon and Toby Cooperman Family Foundation                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Number of securities called by warrants or rights (in shares)   50,000                          
Exercise price of warrants (in dollars per share) | $ / shares   $ 5.85                          
Loss on asset disposition | $               11,167              
Exercise period of warrant   5 years                          
Warrant | Former Board of Director                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Amortization expense | $               $ 7,000              
Number of securities called by warrants or rights (in shares)         25,000                    
Vesting period of warrant         3 years                    
Exercise price of warrants (in dollars per share) | $ / shares         $ 6.99                    
Fair value of warrants outstanding | $         $ 84,000                    
Exercise period of warrant         5 years                    
Stock Incentive Plan and Stock Option Grants to Employees and Directors                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Granted (in shares)               0 0            
Stock options                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Weighted average recognition period               5 months 1 day              
Maximum | Preferred Stock                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Preferred stock, shares authorized (in shares)               1,000,000              
Equity Incentive Plan                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Common stock, shares remaining for future issuance (in shares)               1,050,591       812,763      
2018 Equity Incentive Plan                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Common stock, shares authorized (in shares)                           2,350,000 1,600,000
2018 Equity Incentive Plan | RSUs                              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Weighted average recognition period               3 years              
Amortization expense | $               $ 146,817