Annual report pursuant to Section 13 and 15(d)

SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS (Details)

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SCHEDULE OF REVENUE BY MAJOR CUSTOMERS BY REPORTING SEGMENTS (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Revenue, Major Customer [Line Items]    
Total $ 60,812 $ 96,582
Treatment [Member]    
Revenue, Major Customer [Line Items]    
Total 23,115 23,210
Services [Member]    
Revenue, Major Customer [Line Items]    
Total 37,697 73,372
Domestic Government [Member]    
Revenue, Major Customer [Line Items]    
Total 51,551 91,032
Domestic Government [Member] | Treatment [Member]    
Revenue, Major Customer [Line Items]    
Total 22,538 22,795
Domestic Government [Member] | Services [Member]    
Revenue, Major Customer [Line Items]    
Total 29,013 68,237
Foreign Government [Member]    
Revenue, Major Customer [Line Items]    
Total 9,261 5,550
Foreign Government [Member] | Treatment [Member]    
Revenue, Major Customer [Line Items]    
Total 577 415
Foreign Government [Member] | Services [Member]    
Revenue, Major Customer [Line Items]    
Total $ 8,684 $ 5,135