Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details)

v3.21.2
Stock-Based Compensation (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 13, 2021
Feb. 06, 2020
Jun. 22, 2021
May 17, 2021
Apr. 30, 2021
Mar. 31, 2021
Feb. 17, 2021
Jan. 27, 2021
Jan. 20, 2021
Aug. 28, 2020
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Stock-Based Compensation (Details) [Line Items]                                  
Accrued expenses                                 $ 56,000
Weighted average grant date fair value (in Dollars per share)                             $ 1.08    
Granted (in Shares)                             426,000    
Share price (in Dollars per share)       $ 1.06                          
Share based compensation expense related to stock option                     $ 680,000   $ 498,000   $ 1,349,000 $ 1,180,000  
Aggregate offering price           $ 25,000,000                      
Pursuant share of common stock (in Shares)         1,340,870                        
Net cash proceeds         $ 1,826,000                        
Issuance costs         $ 74,000                        
Aggregate share of common stock (in Shares)       50,000                          
Expense related to consulting agreement                     $ 53       $ 53    
Number of warrants purchased (in Shares)                     8,733,625       8,733,625    
Exercise price (in Dollars per share)                             $ 1.30    
Exercise price (in Dollars per share)                     $ 3.00       $ 3.00   $ 1.86
Risk-free interest rate                             0.73% 1.49%  
Expected life in years                             5 years 9 months 5 years 9 months 18 days  
Expected stock volatility percentage                             106.76% 79.59%  
Expected dividend yields percentage                              
Services agreement, description   The Company recorded $28 and $47 as general and administrative expense in the accompanying condensed consolidated statement of comprehensive loss in relation to the consulting agreement for the three and six months ended June 30, 2020, respectively. The Company recorded $0 and $9 as general and administrative expense in the accompanying condensed consolidated statement of comprehensive loss in relation to the consulting agreement for the three and six months ended June 30, 2021, respectively.             The fair value of the warrants were valued on the date of grant at $355 using the Black-Scholes option-pricing model with the following parameters: (1) risk-free interest rate of 0.19%; (2) expected life in years of 3.0; (3) expected stock volatility of 100.99%; and (4) expected dividend yield of 0%. The Company recorded $89 and $148 as general and administrative expense in the accompanying consolidated statement of comprehensive loss in relation to the consulting agreement for the three and six months ended June 30, 2021, respectively.                
Securities purchase agreement, description                   the Company entered into a securities purchase agreement (the “Securities Purchase Agreement”) under which it sold and issued to an institutional investor (the “Holder”), in a registered direct offering, an aggregate of 3,200,000 shares of the Company’s common stock par value $0.0001 per share (the “Common Stock”), and pre-funded warrants to purchase an aggregate of 5,533,625 shares of Common Stock (the “Pre-Funded Warrants”) at an exercise price of $0.001 per share. During the three and six months ended June 30, 2021, the Pre-Funded Warrants for 5,533,625 shares of common stock were exercised which resulted in aggregate proceeds of $0 and $6.              
Warrants outstanding (in Shares)                     9,130,821       9,130,821   17,058,051
Due to exercise units (in Shares)               733,625                  
Cash paid payment per share (in Dollars per share)               $ 0.10                  
Number warrant issued (in Shares)               600,000                  
Received gross proceeds before expenses               $ 11,000                  
Outstanding private placement warrants (in Shares)               8,000,000                  
Exercisable and expire term               5 years                  
Fair alue adjustment of warrants, shares (in Shares)                       6,000,000          
Fair value warrants amount                       $ 6,745,000          
Expected dividend yields                       0.00%          
Deemed dividend                       $ 6,145,000          
Cash fees                       300,000          
Warrants exercisable (in Shares)                             8,932,491    
Description of incentive plan                             On January 1, 2021, pursuant to an annual evergreen provision, the number of shares of common stock reserved for future grants was increased by 1,936,669 shares. Under the 2016 Plan, effective as of January 1, 2021, the maximum number of shares of the Company’s common stock authorized for issuance is 7,592,663. As of June 30, 2021, there were 261,863 shares of common stock available for future grant under the 2016 Plan.    
Unamortized share-based compensation for stock options                             $ 2,354,000    
Weighted-average recognition period                             1 year 14 days    
Outstanding options to purchase,shares of common stock were exercisable (in Shares)                     3,637,864       3,637,864    
Weighted-average exercise price per share (in Dollars per share)                     $ 3.43       $ 3.43    
Restricted stock unit (in Shares)             160,000                    
Restricted stock units (in Shares)             266,000                    
Restricted Stock Units (RSUs) [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Unamortized share-based compensation for stock options                             $ 1,233,000    
Weighted-average recognition period                             11 months 26 days    
Restricted stock units (in Shares)                             927,266    
Restricted stock unit awards granted             $ 758,000                    
General and administrative expense                     $ 241,000       $ 423,000    
Private Placement [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Private placement warrants shares (in Shares)               8,000,000                  
Private Placement [Member] | Exercise Agreement [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Warrants outstanding (in Shares)               8,000,000                  
Executives and Employees [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Number of shares issued (in Shares) 52,317                                
Director [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Number of shares issued (in Shares)     18,209                            
Granted (in Shares)             121,237                    
Share price (in Dollars per share)     $ 1.04       $ 1.78                    
Cash compensation for service     $ 19,000       $ 216,000                    
Prepaid compensation amount                       $ 121,000          
Share based compensation expense related to stock option                     $ 60,000       $ 114,000    
Minimum [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Expected life in years                       4 years 11 months 12 days          
Risk free interest rates minimum                       0.41%          
Expected stock volatilities percentage minimum                       103.00%          
Maximum [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Risk free interest rates maximum                       0.57%          
Expected stock volatilities percentage maximum                       103.23%          
Common Stock [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Exercised, shares (in Shares)                     1,340,870 14,267,250          
Percentage of number of shares                     6.00%       6.00%    
Restricted stock unit (in Shares)                     53,081 65,915 30,916 15,070      
Common Stock [Member] | Services Agreement [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Number of warrants purchased (in Shares)   120,000                              
Warrant term   3 years                              
Warrant [Member] | Services Agreement [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Granted (in Shares)   60,000                              
Number of warrants purchased (in Shares)                 340,020                
Warrant term                 3 years                
Exercise price (in Dollars per share)   $ 2.16                              
Remaining warrants granted (in Shares)   60,000                              
Exercise price (in Dollars per share)   $ 3.50             $ 1.75                
Fair value of warrants share   $ 112,000                              
Risk-free interest rate   1.43%                              
Expected life in years   3 years                              
Expected stock volatility percentage   74.82%                              
Expected dividend yields percentage   0.00%                              
New Warrants [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Gross proceeds before expenses (in Shares)               6,000,000                  
Exercised, shares (in Shares)                       8,000,000          
Cash excercise                             $ 200,000    
New Warrants [Member] | Private Placement [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Exercise price (in Dollars per share)               $ 2.12                  
Warrants outstanding (in Shares)               6,000,000                  
Purchase warrant per share (in Dollars per share)               $ 0.75                  
New Warrants [Member] | Private Placement [Member] | Exercise Agreement [Member]                                  
Stock-Based Compensation (Details) [Line Items]                                  
Warrants outstanding (in Shares)               8,000,000