Annual report pursuant to Section 13 and 15(d)

Segment Reporting - Schedule of Revenue by Major Customers by Reporting Segments (Details)

v3.21.1
Segment Reporting - Schedule of Revenue by Major Customers by Reporting Segments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenues $ 96,582 $ 59,985
Treatment [Member]    
Revenues 23,210 29,699
Services [Member]    
Revenues 73,372 30,286
Domestic Government [Member]    
Revenues 91,032 54,497
Domestic Government [Member] | Treatment [Member]    
Revenues 22,795 29,420
Domestic Government [Member] | Services [Member]    
Revenues 68,237 25,077
Foreign Government [Member]    
Revenues 5,550 5,488
Foreign Government [Member] | Treatment [Member]    
Revenues 415 279
Foreign Government [Member] | Services [Member]    
Revenues $ 5,135 $ 5,209