Annual report pursuant to Section 13 and 15(d)

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

v3.8.0.1
Segment Reporting - Schedule of Revenue by Major Customers by Reporting Segments (Details) - USD ($)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Revenues $ 6,312,000 $ 4,419,000
Federal Government [Member]    
Revenues 36,654,000 27,354,000
Federal Government [Member] | Treatment [Member]    
Revenues 27,591,000 21,434,000
Federal Government [Member] | Services [Member]    
Revenues $ 9,063,000 $ 5,920,000