v3.21.2
Stockholders' Equity (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Nov. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Stockholders' Equity (Details) [Line Items]            
Stock issued in connection with cashless exercise of warrants       70,269    
Cashless exercise of warrants       95,286    
Preferred stock authorized   2,000,000   2,000,000   2,000,000
Preferred shares was converted description       During the six months ended June 30, 2021, 50,000 Series C-3 preferred shares were converted into 100,000 shares of the Company’s common stock by an unrelated party and 10,001 Series G preferred shares were converted into 556,069 shares of the Company’s common stock by a related party.     
Weighted Average Exercise Price (in Dollars per share)   $ 7.72   $ 7.72   $ 7.22
Compensation expense (in Dollars)   $ 1,010,000 $ 693,000 $ 2,742,000 $ 1,362,000  
Unrecognized compensation expense (in Dollars)   $ 8,585,000   $ 8,585,000    
Weighted average remaining contractual life       1 year 7 months 6 days    
Stock option awards vested   410,000   410,000    
Dividend yield       0.00%    
Expected term       2 years    
Common stock cashless exercise       95,286    
Weighted average remaining contractual life       7 years 1 month 6 days    
Restricted Stock Units [Member]            
Stockholders' Equity (Details) [Line Items]            
Compensation expense (in Dollars)     $ 3,000   $ 10,000  
Issuance of vested restricted stock         2,385  
Stock Options [Member]            
Stockholders' Equity (Details) [Line Items]            
stock options granted       1,389,700    
Weighted Average Exercise Price (in Dollars per share)   $ 8.48   $ 8.48    
Employees [Member]            
Stockholders' Equity (Details) [Line Items]            
Expected term       5 years    
Non-employees [Member]            
Stockholders' Equity (Details) [Line Items]            
Expected term       10 years    
Series C-3 preferred shares [Member]            
Stockholders' Equity (Details) [Line Items]            
Number of shares converted to common stock       50,000    
Series G preferred shares [Member]            
Stockholders' Equity (Details) [Line Items]            
Number of shares converted to common stock       10,001    
Common Stock [Member]            
Stockholders' Equity (Details) [Line Items]            
New ATM agreement, description the Company filed a new registration statement, under which the Company could issue and sell up to an aggregate of $100.0 million of shares of its common stock, $0.001 par value per share. On November 27, 2020, the Company entered into an Amended and Restated At Market Issuance Sales Agreement (“Amended Sales Agreement”) with B. Riley FBR Inc. (“B.Riley”) and Needham & Company, LLC (“Needham”), together with B. Riley, acting as sales agents (“Sales Agent”). The Amended Sales Agreement relates to the sale of shares of up to $25.0 million of the Company’s common stock under its ATM program, of which the Company may issue and sell common stock from time to time through the Sales Agent, subject to limitations imposed by the Company and subject to the Sales Agent’s acceptance, such as the number or dollar amount of shares registered under the registration statement to which the offering relates. The Sales Agent is entitled to a commission of up to 3% of the gross proceeds from the sale of common stock sold under the ATM program. At December 31, 2020, the Company had approximately $17.8 million available under the Amended Sales Agreement and $75.0 million available under its current shelf registration for the issuance of equity, debt or equity-linked securities unrelated to the Amended Sales Agreement. On February 5, 2021, the Company allocated to its ATM program an additional $25.0 million of the remaining $75.0 million available under its shelf registration statement. Giving effect to the additional $25.0 million, plus the $17.8 million available at December 31, 2020, the Company had a total of $42.8 million available under the ATM program. During the six months ended June 30, 2021 and 2020, the Company sold an aggregate of 3,737,862 and 368,144 shares of its common stock under the ATM program, respectively, and realized net proceeds of $41,456,000 and $2,470,000, respectively. As of June 30, 2021, the Company has no available balance under its ATM program and it has $50.0 million available under its current shelf registration for the issuance of equity, debt or equity-linked securities.          
Common stock issued an aggregate       656,069    
Net proceeds       31,407 91,500  
Net proceeds value of cash exercise of warrants (in Dollars)       $ 165,000    
Net proceeds value of cash exercise of warrants (in Dollars)         $ 412,000  
Exercise of stock options       32,734    
Net proceeds (in Dollars)       $ 137,000    
Common Stock [Member] | Board of directors [Member]            
Stockholders' Equity (Details) [Line Items]            
Common stock issued an aggregate         2,385  
Preferred Stock [Member]            
Stockholders' Equity (Details) [Line Items]            
Preferred stock authorized to issue       2,000,000    
Preferred stock authorized   2,000,000   2,000,000    
Preferred stock par value (in Dollars per share)   $ 0.001   $ 0.001    
Warrant [Member]            
Stockholders' Equity (Details) [Line Items]            
Weighted Average Exercise Price (in Dollars per share)   $ 5.25   $ 5.25    
Aggregate of common stocks cash exercise       31,407 91,500  
Stock issued in connection with warrants exercised (in Dollars)       $ 165,000 $ 412,000  
Aggregate of common stocks cashless exercise       70,269    
Outstanding warrants       56,455    
Weighted average remaining contractual life       1 year 1 month 9 days