Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details Narrative)

v3.20.2
Organization and Summary of Significant Accounting Policies (Details Narrative) - USD ($)
1 Months Ended 3 Months Ended
Mar. 31, 2010
Jun. 30, 2020
Mar. 31, 2020
Jun. 30, 2019
Long-lived assets impairment losses    
Advertising expense   9,000   $ 1,000
Shipping and handling costs   26,000   27,000
Estimated returns net of allowances   31,000   45,000
Sales and excise tax percentage 2.30%      
Warrant [Member]        
Accrued warranty liabilities   29,000 35,000  
Warranty costs   $ 28,000   $ 31,000
Patents [Member]        
Estimated useful lives   5 years   17 years
Cost of patents   $ 739,000 715,000  
Accumulated amortization   297,000 293,000  
Amortization of patents   3,000   $ 3,000
Patents [Member] | March 2021 [Member]        
Amortization of patents   10,000    
Patents [Member] | March 2022 [Member]        
Amortization of patents   14,000    
Patents [Member] | March 2023 [Member]        
Amortization of patents   14,000    
Patents [Member] | March 2024 [Member]        
Amortization of patents   13,000    
Patents [Member] | March 2025 [Member]        
Amortization of patents   9,000    
Patents [Member] | Thereafter [Member]        
Amortization of patents   382,000    
License [Member]        
Cost of patents   810,000 544,000  
Accumulated amortization   396,000 $ 394,000  
Amortization of patents   2,000   2,000
License [Member] | March 2021 [Member]        
Amortization of patents   5,000    
License [Member] | March 2022 [Member]        
Amortization of patents   7,000    
License [Member] | March 2023 [Member]        
Amortization of patents   7,000    
License [Member] | March 2024 [Member]        
Amortization of patents   3,000    
License [Member] | March 2025 [Member]        
Amortization of patents   0    
License [Member] | Thereafter [Member]        
Amortization of patents   390,000    
General and Administrative Expense [Member]        
Shipping and handling costs   $ 4,000   $ 1,000