Segment, Customer and Geographic Information (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
item
Segment, Customer and Geographic Information    
Number of reportable segment | item 1 1
Segment, Customer and Geographic Information    
Revenue $ 31,593,720 $ 15,653,057
Property and equipment, net 905,622 794,835
Devices    
Segment, Customer and Geographic Information    
Revenue 26,353,235 12,812,446
Disposable IV Sets and Services    
Segment, Customer and Geographic Information    
Revenue 5,240,485 2,840,611
United States    
Segment, Customer and Geographic Information    
Revenue 28,854,911 11,357,705
Property and equipment, net 837,728 728,556
International    
Segment, Customer and Geographic Information    
Revenue 2,738,809 4,295,352
Property and equipment, net $ 67,894 $ 66,279