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Commitments and contingencies - Schedule of Future Minimum Rental Payments for Operating Leases (Details) (USD $)
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Dec. 31, 2014
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| Future minimum lease payments under all non-cancelable operating leases | |
| 2015 | $ 574,108us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent |
| 2016 | 524,159us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears |
| 2017 | 519,399us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears |
| 2018 | 500,272us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears |
| 2019 | 506,432us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears |
| 2020 and thereafter | 2,235,785us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter |
| Total | $ 4,860,155us-gaap_OperatingLeasesFutureMinimumPaymentsDue |
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- Definition
Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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