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Leases (Details Narrative) (10-K) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Jan. 02, 2019
Operating leases description     The Company has operating leases for its warehouse facility and for equipment under agreements that expire at various dates through 2023.   The Company has entered into operating leases for office and production facilities and equipment under agreements that expire at various dates through 2026.    
Financing leases description     The Company also has property held under finance leases that expire at various dates through 2021.   The Company also has property held under finance leases that expire at various dates through 2021.    
Operating lease liabilities $ 5   $ 5   $ 3,300 $ 3,458 $ 3,458
Operating lease right-of-use assets $ 5   $ 5   $ 2,101 $ 2,336
Operating leases weighted-average remaining lease term 1 month   1 month   6 years 3 months 19 days    
Operating leases weighted-average discount rate lease 5.00%   5.00%   7.25%    
Financing leases weighted-average remaining lease term 1 year 2 months 12 days   1 year 2 months 12 days   1 year 10 months 25 days    
Financing leases weighted-average discount rate lease 5.52%   5.52%   5.51%    
Financing lease cost $ 5 $ 10 $ 15 $ 41 $ 48 191  
Selling, General and Administrative Expenses [Member]              
Operating lease expense $ 17 $ 137 $ 281 $ 407 $ 542 $ 407