Annual report pursuant to Section 13 and 15(d)

CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION (Details Narrative)

v3.22.1
CAPITAL STOCK, STOCK PLANS, WARRANTS AND STOCK BASED COMPENSATION (Details Narrative) - USD ($)
12 Months Ended
Oct. 14, 2021
Oct. 14, 2021
Sep. 30, 2021
Sep. 29, 2021
Aug. 10, 2021
Jul. 22, 2021
Jul. 20, 2021
May 04, 2021
Feb. 04, 2021
Apr. 02, 2019
Jul. 27, 2017
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Common stock, shares authorized                       30,000,000 30,000,000
Common stock, par value                       $ 0.001 $ 0.001
Number of stock option shares granted                       381,000  
Proceeds from exercise of stock options                       $ 6,000
Subscription Agreements [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of sale shares issuance     1,000,000                    
Common Stock [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Issuance of common stock from cashless exercise                       290 3,884
Issuance of common stock from cashless exercise                       1,000,000  
Stock issued during period for services, shares                       60,723 34,135
Number of common shares reserved for future issuance                       1,019,400  
Second Milestone [Member] | Ferguson Stock Option [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Options to purchase shares                     30,000    
Third Milestone [Member] | Ferguson Stock Option [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Options to purchase shares                     60,000    
Employee and Directors [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Unrecognized compensation cost related to unvested options consultant                       $ 1,389,000  
Weighted average term for unrecognized and unvested option to be recognized                       4 years 3 months 18 days  
Robert Ferguson [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Unrecognized compensation cost related to unvested options consultant                       $ 289,000  
Remaining stock option                       90,000  
Loans payable                   $ 2,500,000      
Warrant to purchase                   60,000      
Warrants exercise price                   $ 3.51      
Warrant exercisable, description                   The Warrant is exercisable six months from April 1, 2019 and expires on April 1, 2024 and remains outstanding at December 31, 2021. The loan was paid-in-full by the Company in December 2020.      
2003 Stock Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Common stock, shares authorized             500,000            
Common stock, par value             $ 0.001            
Stock options granted vesting period             6 months            
Vesting percentage             25.00%            
2003 Stock Plan [Member] | Director [Member] | Minimum [Member] | Election [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Shares remaining available for issuance             6,000            
2003 Stock Plan [Member] | Director [Member] | Minimum [Member] | Reelection [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Shares remaining available for issuance             2,400            
2003 Stock Plan [Member] | Director [Member] | Maximum [Member] | Election [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Shares remaining available for issuance             20,000            
2003 Stock Plan [Member] | Director [Member] | Maximum [Member] | Reelection [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Shares remaining available for issuance             10,000            
2003 Outside Directors Stock Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Shares remaining available for issuance                       599,854  
Percentage of directors fees, description                       The 2003 Plan continues to provide for the issuance to each Eligible Director a number of shares of the Company’s Common Stock in lieu of 65% or 100% (based on option elected by each director) of the fee payable to the Eligible Director for services rendered as a member of the Board. The number of shares issued is determined at 75% of the market value as defined in the 2003 Plan (the Company recognizes 100% of the market value of the shares issued).  
2003 Outside Directors Stock Plan [Member] | Common Stock [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares available for issuance                       1,600,000  
2017 Stock Option Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Shares remaining available for issuance                       344,000  
Stock option granted, description                       The term of each stock option granted under the 2017 Plan shall be fixed by the Compensation Committee, but no stock options will be exercisable more than ten years after the grant date, or in the case of an ISO granted to a 10% stockholder, five years after the grant date. The exercise price of any ISO granted under the 2017 Plan to an individual who is not a 10% stockholder at the time of the grant shall not be less than the fair market value of the shares at the time of the grant, and the exercise price of any ISO granted to a 10% stockholder shall not be less than 110% of the fair market value at the time of grant.  
2017 Stock Option Plan [Member] | Officers and Employees [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of shares available for issuance                       1,140,000  
2017 Stock Option Plan [Member] | Consultant [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted                     100,000    
Stock options, exercise price                     $ 3.65    
2010 Stock Option Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted       50,000                  
Stock options, exercise price       $ 3.97                  
Stock options, expiration date       May 15, 2022                  
2017 Stock Plan [Member] | Incentive Stock Option Agreement [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock options granted contractual term 6 years                        
Vesting, description one-fifth yearly vesting over a five-year period                        
Exercise price $ 7.005                        
2017 Stock Plan [Member] | Maximum [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted   305,000                      
2017 Stock Plan [Member] | Chief Executive Officer [Member] | Incentive Stock Option Agreement [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted 50,000                        
2017 Stock Plan [Member] | Chief Financial Officer [Member] | Incentive Stock Option Agreement [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted 25,000                        
2017 Stock Plan [Member] | EVP of Strategic Initiatives [Member] | Incentive Stock Option Agreement [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted 20,000                        
2017 Stock Plan [Member] | EVP of Waste Treatment Operations [Member] | Incentive Stock Option Agreement [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted 25,000                        
2017 Stock Plan [Member] | EVP of Nuclear and Technical Services [Member] | Incentive Stock Option Agreement [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Number of stock option shares granted 25,000                        
2003 Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock options granted vesting period           6 months              
Number of stock option shares granted           2,400              
Stock options, exercise price           $ 6.70              
Stock options granted contractual term           10 years              
2003 Plan [Member] | NQSO [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock options granted vesting period         6 months     6 months 6 months        
Number of stock option shares granted         6,000   10,000 6,000 6,000        
Stock options, exercise price         $ 7.29   $ 5.93 $ 7.50 $ 7.00        
Stock options granted contractual term         10 years   10 years 10 years 10 years        
Vesting, description             one-fourth vesting annually over a four-year period            
2017 Stock Option Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock options, exercise price                       $ 3.15  
Issuance of common stock from cashless exercise                       290 2,000
Proceeds from exercise of stock options                         $ 6,300
Issuance of common stock from cashless exercise                         1,884
2017 Stock Option Plan [Member] | First Separate Options [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock options, exercise price                         $ 3.60
Issuance of common stock from cashless exercise                         8,000
2017 Stock Option Plan [Member] | Second Separate Options [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock options, exercise price                       $ 3.15  
Issuance of common stock from cashless exercise                         2,500
2017 Stock Option Plan [Member] | Common Stock [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Issuance of common stock from cashless exercise                       500  
2003 Outside Directors Stock Option Plan [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Percentage of directors fees, description                       As a member of the Board, each director elects to receive either 65% or 100% of the director’s fee in shares of our Common Stock. The number of shares received is calculated based on 75% of the fair market value of our Common Stock determined on the business day immediately preceding the date that the quarterly fee is due.  
2003 Outside Directors Stock Option Plan [Member] | Common Stock [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Stock issued during period for services, shares                       60,723 34,135
2003 Outside Directors Stock Plan [Member] | Portion of Director Fee Earned in Common Stock [Member]                          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                          
Allocated share-based compensation expense                       $ 467,000 $ 250,000