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Nature of the Business - Additional Information (Detail)
1 Months Ended
Jun. 01, 2011
Neighborhood Diabetes
Minimum
Person
Jan. 31, 2010
Ypsomed Distribution AG
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]    
Term of distribution contract   5 years
Number of customers with Type 1 and Type 2 diabetes 60,000