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Stockholders' Equity (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 04, 2020
May 15, 2020
Apr. 03, 2020
Feb. 20, 2020
Feb. 18, 2020
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Number of common stock shares issues                    
Common stock, par value           $ .02       $ .02   $ .02
Share price           $ 0.09       $ 0.09    
Stock compensation expense                   $ 84,000 $ 59,000  
Basic and diluted earnings per share                   $ 0.01 $ 0.01  
Number of common stock shares issues, value           $ 6,396,000 $ 4,054,000 $ 4,887,000 $ 638,000      
Common Stock [Member]                        
Number of common stock shares issues           896,000 863,000 373,000 19,000      
Number of common stock shares issues, value           $ 17,000 $ 18,000 $ 7,000      
Mr. Heng Fai Ambrose Chan [Member]                        
Accrued salary                       $ 114,000
Board of Directors Member] | Common Stock [Member]                        
Shares vested     8,900                  
Share price     $ 0.66                  
Shares restricted stock issued     5,800                  
Investor [Member]                        
Number of common stock shares issues 21,000                      
Number of common stock shares issues, value $ 210,000                      
Underwriting Agreement Member] | Mr. Heng Fai Ambrose Chan [Member]                        
Common stock were remitted in lieu of cash         11,664              
Proceeds from net offering       $ 2,000,000                
Underwriting Agreement Member] | Underwriter Member]                        
Proceeds from net offering   $ 6,200,000   $ 4,000,000                
Underwriting Agreement Member] | Underwriter Member] | Common Stock [Member]                        
Number of common stock shares issues   769,230   740,741                
Common stock, par value   $ 0.02   $ 0.02                
Share issued price per shares   $ 7.80   5.40                
Pre-reverse stock split per share       $ 0.18                
Underwriting Agreement Member] | Underwriter Member] | Additional Shares [Member]                        
Number of common stock shares issues   115,384   111,111