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Goodwill (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Goodwill [Line Items]      
Goodwill $ 6,237,000 $ 2,897,000 $ 1,337,000
Goodwill impairment loss (338,000) 0 0
MD Office [Member]      
Goodwill [Line Items]      
Goodwill 3,678,000 0  
Goodwill, Acquired During Period 3,678,000 1,560,000  
DMS Health [Member]      
Goodwill [Line Items]      
Goodwill     0
Goodwill, Acquired During Period 3,678,000 0  
Telerhythmics [Member]      
Goodwill [Line Items]      
Goodwill impairment loss (338,000)    
Diagnostic Services [Member]      
Goodwill [Line Items]      
Goodwill 2,559,000 2,897,000 $ 1,337,000
Diagnostic Services [Member] | MD Office [Member]      
Goodwill [Line Items]      
Goodwill, Acquired During Period   $ 1,560,000  
Diagnostic Services [Member] | DMS Health [Member]      
Goodwill [Line Items]      
Goodwill, Acquired During Period 0    
Diagnostic Services [Member] | Telerhythmics [Member]      
Goodwill [Line Items]      
Goodwill impairment loss $ (338,000)