Transition report pursuant to Rule 13a-10 or 15d-10

Organization and Summary of Significant Accounting Policies and Estimates (Details Narrative)

v3.21.1
Organization and Summary of Significant Accounting Policies and Estimates (Details Narrative) - USD ($)
9 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Mar. 31, 2020
Long-lived assets impairment losses $ 1,376,000  
Estimated returns net of allowances 1,000   19,000
Revenues 2,849,561 $ 4,101,212 5,557,967
Accrued liabilities 746,738   1,243,764
Warrant [Member]      
Accrued liabilities 25,000   30,000
Warranty costs $ 54,000   57,000
Patents and Licenses [Member] | Minimum [Member]      
Estimated useful lives 5 years    
Patents and Licenses [Member] | Maximum [Member]      
Estimated useful lives 17 years    
Patents [Member]      
Carrying value $ 169,000   422,000
Accumulated amortization 303,000   293,000
Amortization expense 10,000   13,000
Future estimated amortization for year ending December 31, 2021     14,000
Future estimated amortization for year ending December 31, 2022     15,000
Future estimated amortization for year ending December 31, 2023     15,000
Future estimated amortization for year ending December 31, 2024     14,000
Future estimated amortization for year ending December 31, 2025     11,000
Future estimated amortization thereafter     100,000
License [Member]      
Carrying value 19,000   149,000
Accumulated amortization 400,000   395,000
Future estimated amortization for year ending December 31, 2021     4,000
Future estimated amortization for year ending December 31, 2022     4,000
Future estimated amortization for year ending December 31, 2023     4,000
Future estimated amortization for year ending December 31, 2024     4,000
Future estimated amortization for year ending December 31, 2025     4,000
Future estimated amortization thereafter     4,000
Shipping and Handling [Member]      
Shipping and handling costs 84,000   115,000
Shipping and Handling [Member] | General, Administrative, Research and Development Expense [Member]      
Shipping and handling costs 9,000   4,000
Collaborative Research Revenue [Member]      
Revenues   $ 85,000