Segment, Customer and Geographic Information (Details) (USD $)	3 Months Ended
Mar. 31, 2015 item	Mar. 31, 2014 item	Dec. 31, 2014
Segment, Customer and Geographic Information
Number of reportable segment	1us-gaap_NumberOfReportableSegments	1us-gaap_NumberOfReportableSegments
Segment, Customer and Geographic Information
Revenue	$ 6,991,705us-gaap_Revenues	$ 3,557,237us-gaap_Revenues
Property and equipment, net	793,339us-gaap_NoncurrentAssets		794,835us-gaap_NoncurrentAssets
Devices
Segment, Customer and Geographic Information
Revenue	5,887,253	3,020,389
Disposable IV sets and services
Segment, Customer and Geographic Information
Revenue	1,104,452	536,848
United States
Segment, Customer and Geographic Information
Revenue	6,298,206	2,449,109
Property and equipment, net	725,150		728,556
International
Segment, Customer and Geographic Information
Revenue	693,499	1,108,128
Property and equipment, net	$ 68,189		$ 66,279

Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 41

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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