Quarterly report pursuant to Section 13 or 15(d)

Revenue and Accounts Receivable - Schedule of Clinical Services Revenue (Details)

v3.8.0.1
Revenue and Accounts Receivable - Schedule of Clinical Services Revenue (Details) - Payor - Revenue
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Product Information [Line Items]    
Percentage of revenue 30.00% 43.00%
Medicare    
Product Information [Line Items]    
Percentage of revenue 9.00% 14.00%
Other insurers    
Product Information [Line Items]    
Percentage of revenue 16.00% 23.00%
Other healthcare facilities    
Product Information [Line Items]    
Percentage of revenue 5.00% 6.00%