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Commitments and contingencies (Operating Leases) (Details) (USD $)
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12 Months Ended | |
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Dec. 31, 2013
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Dec. 31, 2012
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| Net Amount | ||
| Accounts receivable, net | $ 2,923,754 | $ 3,393,933 |
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Operating Lease [Member]
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| Rental Expense | ||
| 2013 | 6,104,800 | |
| 2014 | 5,963,009 | |
| 2015 | 5,972,152 | |
| 2016 | 5,639,513 | |
| 2017 | 5,548,726 | |
| Thereafter | 50,440,896 | |
| Total | 79,669,096 | |
| Rental Income | ||
| 2013 | (1,127,152) | |
| 2014 | (1,075,083) | |
| 2015 | (1,063,785) | |
| 2016 | (844,061) | |
| 2017 | (864,156) | |
| Thereafter | (3,626,551) | |
| Total | (8,600,788) | |
| Net Amount | ||
| 2013 | 4,977,648 | |
| 2014 | 4,887,926 | |
| 2015 | 4,908,367 | |
| 2016 | 4,795,452 | |
| 2017 | 4,684,570 | |
| Thereafter | 46,814,345 | |
| Total | 71,068,308 | |
| Landlord contribution towards construction | 1,036,900 | |
| Accounts receivable, net | 153,332 | 210,458 |
| Rent expense | 3,795,248 | 3,051,896 |
| Percentage rent | 424,181 | 1,405,577 |
| Rental income related to subleases | $ 566,433 | $ 391,983 |
| X | ||||||||||
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- Definition
Amount of required minimum sublease rental payments maturing in the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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| X | ||||||||||
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- Definition
Amount of required minimum sublease rental payments maturing in the forth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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| X | ||||||||||
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- Definition
Amount of required minimum sublease rental payments maturing in the second fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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| X | ||||||||||
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- Definition
Amount of required minimum sublease rental payments maturing in the next fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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| X | ||||||||||
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- Definition
Amount of required minimum sublease rental payments maturing after the fifth fiscal year following the latest fiscal year for operating leases having an initial or remaining non-cancelable letter-terms in excess of one year. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The total amount of future rental expense incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. No definition available.
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| X | ||||||||||
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- Definition
The amount of future rental expense in year five incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. No definition available.
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| X | ||||||||||
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- Definition
The amount of future rental expense in year four incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. No definition available.
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| X | ||||||||||
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- Definition
The amount of future rental expense in year three incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. No definition available.
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| X | ||||||||||
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- Definition
The amount of future rental expense in year two incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. No definition available.
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| X | ||||||||||
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- Definition
The amount of future rental expense for the next twelve months incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. No definition available.
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| X | ||||||||||
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- Definition
The amount of future rental expense after the fifith year incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. No definition available.
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| X | ||||||||||
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- Definition
The amount of contribution made by the landlord toward construction per a lease agreement. No definition available.
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| X | ||||||||||
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- Definition
Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the next fiscal year following the latest fiscal year for operating 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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| X | ||||||||||
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- Definition
Contractually required future rental payments receivable on noncancelable subleasing arrangements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the fifth fiscal year following the latest fiscal year for operating 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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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the forth fiscal year following the latest fiscal year for operating 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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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the third fiscal year following the latest fiscal year for operating 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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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing in the second fiscal year following the latest fiscal year for operating 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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| X | ||||||||||
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- Definition
Amount of required minimum rental payments maturing after the fifth fiscal year following the latest fiscal year for operating 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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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents the rental revenue earned during the period from lessee-operators based on revenues generated in their operations, generally in excess of a base amount. Such rental revenue is generally stipulated in the lease agreement, usually will provide for a fixed percentage of revenue to be paid as additional (or possibly only) rent due the lessor, and may be based on gross revenues, net revenues, or multiple variations thereof. Percentage rent is often required under leases with retail outlets located on premises owned by hoteliers, cruise lines, others in the hospitality industry, and shopping mall operators, among others. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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