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Commitments and contingencies (Details) (Office space and warehouse facilities, USD $)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Office space and warehouse facilities
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| Operating Leased Assets [Line Items] | ||||
| Rent expense, gross | $ 105,588 | $ 78,412 | $ 310,067 | $ 364,308 |
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- Details
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- Definition
This element represents the payments that the lessee is obligated to make or can be required to make in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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