Quarterly report pursuant to Section 13 or 15(d)

Share (Details Narrative)

v3.22.1
Share (Details Narrative)
1 Months Ended 3 Months Ended 12 Months Ended
Feb. 10, 2022
shares
Jan. 05, 2022
USD ($)
$ / shares
shares
Jul. 16, 2021
USD ($)
$ / shares
shares
Jan. 27, 2021
USD ($)
$ / shares
shares
Jan. 20, 2021
USD ($)
$ / shares
shares
Aug. 28, 2020
$ / shares
shares
Feb. 29, 2020
USD ($)
$ / shares
shares
Dec. 31, 2016
Mar. 31, 2022
USD ($)
$ / shares
shares
Mar. 31, 2021
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
$ / shares
shares
Jan. 01, 2022
shares
Jan. 22, 2021
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross | shares                 1,895,000        
Share-Based Payment Arrangement, Plan Modification, Incremental Cost             $ 26            
General and Administrative Expense                 $ 2,114,000 $ 2,444,000      
Proceeds from (Repurchase of) Equity [Abstract]                          
Proceeds from Warrant Exercises       $ 11,000,000         $ 11,959,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Exercised | shares                 7,892,984        
Share based compensation arrangement by share based payment award non options outstanding | $ / shares                 $ 2.54        
Grant date fair value | $ / shares                 $ 0.45 $ 1.43      
Share-Based Payment Arrangement, Noncash Expense                 $ 521,000 $ 919,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term                 7 years 9 months 29 days        
Stock Issued During Period, Value, Restricted Stock Award, Gross                      
Restricted Stock Units (RSUs) [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Vested and unissued restricted stock units | shares                     62,615    
Stock Issued During Period, Value, Restricted Stock Award, Gross                 $ 734,000        
Share based payment award equity instruments other than options outstanding weighted average remaining contractual terms                 11 months 4 days        
Equity Option [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Share-Based Payment Arrangement, Noncash Expense                 $ 1,819,000        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term                 1 year 1 month 9 days        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Number | shares                 5,130,498        
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price | $ / shares                 $ 2.90        
Share-Based Payment Arrangement, Expense                 $ 284,000 669,000      
2016 Equity Incentive Plan [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Common Stock, Capital Shares Reserved for Future Issuance | shares                       1,728,665  
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized | shares                       10,495,679  
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant | shares                 299,952        
Warrant [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Fair Value Adjustment of Warrants         $ 355,000                
Proceeds from (Repurchase of) Equity [Abstract]                          
Share based compensation arrangement by share based payment award non options outstanding | $ / shares                 $ 2.54   $ 2.74    
Warrant [Member] | Measurement Input, Risk Free Interest Rate [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input         0.19                
Warrant [Member] | Measurement Input, Expected Term [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Term         3 years                
Warrant [Member] | Measurement Input, Price Volatility [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input         100.99                
Warrant [Member] | Measurement Input, Expected Dividend Rate [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input         0                
Private Placement Warrants [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Class of Warrant or Right, Outstanding | shares       8,000,000                  
Warrant exercise | shares                         733,625
Warrant exercisable remaining | shares       8,000,000                  
Cash fees                   300,000      
New Warrants [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants exercise price | $ / shares       $ 2.12                  
Warrants and Rights Outstanding, Term       5 years                  
Proceeds from (Repurchase of) Equity [Abstract]                          
Warrant exercisable remaining | shares       6,000,000                  
Share Price | $ / shares       $ 0.75                  
Cash paid payment per share | $ / shares       $ 0.10                  
Warrants and Rights Outstanding       $ 600,000                  
Deemed dividend                   6,145,000      
Cash fees                     $ 200,000    
New Warrants [Member] | Four Tranches [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Fair Value Adjustment of Warrants                   $ 6,745,000      
Proceeds from (Repurchase of) Equity [Abstract]                          
Class of Warrant or Right, Outstanding | shares                   6,000,000      
New Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input       0.57                  
New Warrants [Member] | Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input       0.41                  
New Warrants [Member] | Measurement Input, Expected Term [Member] | Maximum [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Term       5 years                  
New Warrants [Member] | Measurement Input, Expected Term [Member] | Minimum [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Term       4 years 11 months 12 days                  
New Warrants [Member] | Measurement Input, Price Volatility [Member] | Maximum [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input       103.23                  
New Warrants [Member] | Measurement Input, Price Volatility [Member] | Minimum [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input       1.0300                  
New Warrants [Member] | Measurement Input, Expected Dividend Rate [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input       0                  
Common Stock [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Proceeds from Warrant Exercises                   $ 366,000      
Number of shares issued during the period | shares                 274,446 65,915      
Stock Issued During Period, Value, Restricted Stock Award, Gross                      
Common Stock [Member] | 2016 Equity Incentive Plan [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Outstanding Stock Maximum               6.00%          
Services Agreement [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants exercise price | $ / shares             $ 0.50            
General and Administrative Expense                 30,000 $ 59,000      
Services Agreement [Member] | Warrant [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants exercise price | $ / shares         $ 1.75                
Warrants to purchase common stock | shares         340,020                
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights         vest over a one-year period on a monthly basis                
Warrants and Rights Outstanding, Term         3 years                
Services Agreement [Member] | Warrants [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares             120,000            
Warrants exercise price | $ / shares             $ 2.83            
Services Agreement [Member] | Replacement Warrants [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares             120,000            
Securities Purchase Agreement [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Shares Issued, Price Per Share | $ / shares           $ 0.0001              
Sale of Stock, Number of Shares Issued in Transaction | shares           3,200,000              
Securities Purchase Agreement [Member] | PreFunded Warrants [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants exercise price | $ / shares           $ 0.001              
Warrants to purchase common stock | shares           5,533,625       5,533,625      
Securities Purchase Agreement [Member] | Private Placement Warrants [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants exercise price | $ / shares           $ 1.30              
Securities Purchase Agreement [Member] | Private Placement Warrants [Member] | Maximum [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants to purchase common stock | shares           8,733,625              
Kreos Loan Agreement [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants exercise price | $ / shares     $ 1.0474                    
Warrants to purchase common stock | shares     190,949                    
Fair Value Adjustment of Warrants                 165,000        
Kreos Loan Agreement [Member] | Warrant [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Term     10 years                    
Fair Value Adjustment of Warrants     $ 168,000                    
Proceeds from (Repurchase of) Equity [Abstract]                          
Proceeds from loan received     $ 165,000                    
Kreos Loan Agreement [Member] | Warrant [Member] | Measurement Input, Risk Free Interest Rate [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input     1.31                    
Kreos Loan Agreement [Member] | Warrant [Member] | Measurement Input, Price Volatility [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input     108.87                    
Kreos Loan Agreement [Member] | Warrant [Member] | Measurement Input, Discount Rate [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Warrants and Rights Outstanding, Measurement Input     0                    
NonEmployee [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross | shares   489,167                      
Shares Issued, Price Per Share | $ / shares   $ 0.48                      
Cash compensation   $ 235,000                      
Director [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                          
Salary and Wage, Officer, Excluding Cost of Good and Service Sold                 57,000        
Prepaid Expense                 178,000        
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Number of shares issued during the period | shares 365,000                        
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 3 years                        
Ceo, Executives and Directors [Member] | Restricted Stock Units (RSUs) [Member]                          
Proceeds from (Repurchase of) Equity [Abstract]                          
Other General and Administrative Expense                 $ 181,000