Annual report pursuant to Section 13 and 15(d)

Equity (Details)

v3.23.1
Equity (Details) - USD ($)
 1 Months Ended 12 Months Ended
Aug. 02, 2022
Aug. 02, 2017
Aug. 31, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2019
Sep. 30, 2013
Equity (Details) [Line Items]              
Number of shares authorized       758,333     91,666
Grant of stock options purchase shares       2,100,000 881,000    
Stock option term       10 years 10 years    
Expected life       6 years 6 years    
Expected dividends (in Dollars)       $ 0 $ 0    
Cancellation of stock options       60,000 333,000    
Stock options exercised shares of common stock         1,000    
Weighted average term       3 years 3 months 18 days      
Total option expense (in Dollars)       $ 2,500,000 $ 1,500,000    
Compensation expense related to RSUs (in Dollars)       $ 200,000      
Warrants expired 600,000            
Underwritten offering shares   700,000          
Warrants to purchase shares of common stock   600,000          
Common stock per share (in Dollars per share)   $ 22.5          
Exercisable period       5 years      
Exercise price (in Dollars per share)       $ 31.5      
Stock based compensation expense related to warrants (in Dollars)       $ 6,000 $ 16,000    
2013 Amended and Restated Stock Plan [Member]              
Equity (Details) [Line Items]              
Number of shares authorized       9,333,333 5,833,333 333,333  
2013 Equity Incentive Plan [Member]              
Equity (Details) [Line Items]              
Number of shares authorized       33,333     15,000
Common Stock [Member]              
Equity (Details) [Line Items]              
Shares of common stock         4,600,000    
Minimum [Member]              
Equity (Details) [Line Items]              
Exercise price (in Dollars per share)         $ 6.02    
Vesting period of stock option       4 years 4 years    
Discount rate       1.50% 0.65%    
Expected volatility rate       78.80% 79.80%    
Maximum [Member]              
Equity (Details) [Line Items]              
Exercise price (in Dollars per share)         $ 9.25    
Vesting period of stock option       4 years 2 months 12 days 4 years 2 months 12 days    
Discount rate       4.30% 1.28%    
Expected volatility rate       81.10% 85.10%    
Stock Option [Member]              
Equity (Details) [Line Items]              
Aggregate fair value (in Dollars)       $ 7,700,000 $ 3,900,000    
Unrecognized compensation expense (in Dollars)       $ 10,000,000      
Stock Option [Member] | Minimum [Member]              
Equity (Details) [Line Items]              
Exercise price (in Dollars per share)       $ 4.96      
Stock Option [Member] | Maximum [Member]              
Equity (Details) [Line Items]              
Exercise price (in Dollars per share)       $ 13.54      
Restricted Stock Units [Member]              
Equity (Details) [Line Items]              
Unrecognized compensation expense (in Dollars)       $ 1,700,000      
Restricted stock units shares         325,000    
Fair value (in Dollars)         $ 1,900,000    
Grant year       3 years      
Expected term year       2 years 4 months 24 days      
Capital on Demand Sales Agreement [Member]              
Equity (Details) [Line Items]              
Aggregate value of common stock (in Dollars)     $ 200,000,000        
Sale of common stock, shares       3,500,000      
Gross proceeds (in Dollars)       $ 23,900,000 36,500,000    
Net proceeds (in Dollars)       $ 23,200,000 $ 35,300,000