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Inventories, Net (Tables)
 6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Schedule of Inventory, Current [Table Text Block]
 June 30,
2020		December 31,
2019
Raw materials$1,117 $1,264 
Work in process1 15 
Finished goods419 450 
 1,537 1,729 
Less: inventory reserves(63)(63)
Inventories, net$1,474 $1,666 
(In thousands $)December 31,
2019		December 31,
2018
Raw materials$1,264 $1,769 
Work in process15 37 
Finished goods450 135 
1,729 1,941 
Less: inventory reserves(63)(265)
Inventories, net$1,666 $1,676