Post-effective amendment to a registration statement that is not immediately effective upon filing

SEGMENT INFORMATION (Details)

v3.21.1
SEGMENT INFORMATION (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Segment Information        
Number of segments 1   1  
Revenue $ 11,313,000 $ 3,385,000 $ 16,470,000 $ 26,439,000
Revenue recognized at a point in time        
Segment Information        
Revenue 10,311,000 2,694,000 13,718,000 22,758,000
Revenue recognized over time        
Segment Information        
Revenue 1,002,000 691,000 2,752,000 3,681,000
Products        
Segment Information        
Revenue 10,311,000 2,694,000 13,718,000 22,758,000
Services        
Segment Information        
Revenue 1,002,000 691,000 2,752,000 3,681,000
Americas        
Segment Information        
Revenue 6,559,000 1,229,000 6,665,000 15,801,000
Americas | Products        
Segment Information        
Revenue 5,854,000 902,000 5,250,000 12,746,000
Americas | Services        
Segment Information        
Revenue 705,000 327,000 1,415,000 3,055,000
EMEA        
Segment Information        
Revenue 2,741,000 1,851,000 7,788,000 8,993,000
EMEA | Products        
Segment Information        
Revenue 2,526,000 1,528,000 6,629,000 8,430,000
EMEA | Services        
Segment Information        
Revenue 215,000 323,000 1,159,000 563,000
APAC        
Segment Information        
Revenue 2,013,000 305,000 2,017,000 1,645,000
APAC | Products        
Segment Information        
Revenue 1,931,000 264,000 1,839,000 1,582,000
APAC | Services        
Segment Information        
Revenue $ 82,000 $ 41,000 $ 178,000 $ 63,000