XML 47 R37.htm IDEA: XBRL DOCUMENT v3.21.2
Stockholders Equity and Stock Options - Additional Information (Detail) - USD ($)
1 Months Ended 3 Months Ended 5 Months Ended 9 Months Ended 14 Months Ended
Nov. 10, 2021
May 28, 2021
Jan. 01, 2021
Aug. 14, 2020
May 28, 2020
Apr. 29, 2019
Jul. 31, 2021
Nov. 30, 2016
Sep. 30, 2021
May 28, 2020
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Dec. 31, 2020
Mar. 23, 2018
Dec. 31, 2014
Preferred stock, shares authorized                 5,000,000   5,000,000   5,000,000 5,000,000    
Preferred stock, par value                 $ 0.001   $ 0.001   $ 0.001 $ 0.001    
Preferred stock, shares issued                 0   0   0 0    
Preferred stock, shares outstanding                 0   0   0 0    
Common stock, shares authorized                 115,000,000   115,000,000   115,000,000 115,000,000    
Common stock, par value                 $ 0.001   $ 0.001   $ 0.001 $ 0.001    
Common stock voting rights                     Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders          
Dividend paid                 $ 0   $ 0   $ 0      
Warrant issued                 628,403   628,403   628,403      
Warrant Exercise Price                 $ 0.01   $ 0.01   $ 0.01      
Common stock, shares issued                 17,710,450   17,710,450   17,710,450 15,367,730    
Common stock, shares outstanding                 17,710,450   17,710,450   17,710,450 15,367,730    
Proceeds from issuance of common stock                     $ 19,885,000 $ 75,350,000        
Options to purchase shares of common stock granted                     617,150          
Unrecognized compensation expense                 $ 16,200,000   $ 16,200,000   $ 16,200,000      
Unrecognized compensation expense recognized period                     2 years 10 months 17 days          
2014 Stock Option and Incentive Plan [Member]                                
Shares reserved for future issuance                               180,685
2016 Equity and Incentive Plan [Member]                                
Increase in shares reserved for future issuance           101,500   122,133                
Shares reserved for future issuance           239,633   122,133             138,133  
Issuance of options                   0            
Number of options to purchase common unit prior to conversion         202,392         202,392            
Number of options to purchase common unit post conversion         330,818         330,818            
Weighted average exercise price post conversion         $ 12.14         $ 12.14            
Weighted average exercise price prior to conversion         $ 10.36         10.36            
Increase in fair value         $ 1,200,000                      
Aggregate grant fair value         100,000                      
2016 Equity and Incentive Plan [Member] | Vested Recognized Immediately [Member]                                
Increase in fair value         700,000                      
2016 Equity and Incentive Plan [Member] | Nonvested Recognize Over Remaining Term [Member]                                
Increase in fair value         $ 500,000                      
Common Stock [Member]                                
Issuance of common stock | shares                 2,342,720              
Common Stock [Member] | 2020 Equity Incentive Plan [Member]                                
Share-based compensation arrangement by share-based payment award, description                     The maximum number of shares that may be issued in respect of any awards under the 2020 Plan is the sum of: (i) 1,700,000 shares plus (ii) an annual increase on January 1, 2021 and each anniversary of such date thereafter through January 1, 2030, equal to the lesser of (A) 4% of the shares issued and outstanding on the last day of the immediately preceding fiscal year, and (B) such smaller number of shares as determined by the Board (collectively, the “Plan Limit”).          
Shares available for grant                 971,349   971,349   971,349      
Minimum level of maximum number of shares allowed to be issued                     1,700,000          
Increase in shares reserved for future issuance     614,709                          
Maximum number of shares that may be issued under stock option incentive plan     2,314,709                          
Maximum aggregate shares issuable over plan term                 8,000,000   8,000,000   8,000,000      
Percentage of outstanding shares                     4.00%          
Term of the 2020 plan                     10 years          
Options to purchase shares of common stock granted                     617,150          
Common Stock [Member] | 2020 Equity Incentive Plan [Member] | Director [Member]                                
Vesting period of stock option                     1 year          
Options to purchase shares of common stock vested                     49,800          
Common Stock [Member] | 2020 Equity Incentive Plan [Member] | Vest Over 4 Years [Member]                                
Vesting period of stock option                     4 years          
Stock option vesting percentage                     25.00%          
Options to purchase shares of common stock vested                     567,350          
Common Stock [Member] | 2020 Equity Incentive Plan [Member] | From 2014 Plan [Member]                                
Increase in shares reserved for future issuance   38,090                            
Private Placement [Member]                                
Issuance of common stock | shares         6,105,359                      
Share price per share         $ 11.88         $ 11.88            
Warrant issued         628,403         628,403            
Warrants price per share         $ 11.87         $ 11.87            
Gross proceeds         $ 80,000,000.0                      
Warrant Exercise Price         $ 0.01         $ 0.01            
Transaction cost         $ 4,600,000                      
Proceeds from issuance common stock and warrants net offering costs         $ 75,400,000                      
Private Placement [Member] | MTS Health Partners [Member] | Common Stock [Member]                                
Issuance of common stock as compensation to placement agency         35,260                      
ATM Offering Program [Member] | Common Stock [Member]                                
Percentage of compensation for services equal to gross proceeds       3.00%                        
Sales agreement, description       The Company has no obligation to sell any of the ATM Shares and may at any time suspend offers under the ATM Agreement                        
Common stock, shares issued             2,342,720   2,354,244   2,354,244   2,354,244      
Proceeds from issuance of common stock             $ 19,900,000           $ 20,100,000      
ATM Offering Program [Member] | Common Stock [Member] | Subsequent Event [Member]                                
Gross sales proceeds under sales agreement remaining amount $ 29,200,000                              
ATM Offering Program [Member] | Common Stock [Member] | Maximum [Member]                                
Aggregate sale of shares of our common stock       $ 50,000,000