XML 50 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Significant Customers (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Net sales $ 3,623 $ 1,651 $ 5,511 $ 3,969  
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer One [Member]          
Concentration risk, percentage 58.70% 67.20% 55.20% 54.80%  
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer Two [Member]          
Concentration risk, percentage 16.60% 21.10% 17.10% 22.80%  
Sales Revenue, Net [Member] | Third Party Contract Manufacturing Customer Three [Member]          
Concentration risk, percentage 12.20%        
Trade Receivable [Member] | Customer One [Member]          
Concentration risk, percentage     72.40%   70.00%
Trade Receivable [Member] | Customer Two [Member]          
Concentration risk, percentage     12.80%   14.00%
Trade Receivable [Member] | Customer Three [Member]          
Concentration risk, percentage         11.00%