Quarterly report pursuant to Section 13 or 15(d)

Significant Customers (Details Narrative)

v3.20.1
Significant Customers (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Net sales $ 1,888 $ 2,318  
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer One [Member]      
Concentration risk, percentage 48.60% 45.70%  
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer Two [Member]      
Concentration risk, percentage 18.00% 23.90%  
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer Three [Member]      
Concentration risk, percentage 17.30% 12.30%  
Trade Receivable [Member] | Customer One [Member]      
Concentration risk, percentage 49.00%   70.00%
Trade Receivable [Member] | Customer Two [Member]      
Concentration risk, percentage 18.00%   14.00%
Trade Receivable [Member] | Customer Three [Member]      
Concentration risk, percentage 12.00%   11.00%
Trade Receivable [Member] | Customer Four [Member]      
Concentration risk, percentage 11.00%