|
Related party transactions (Details) (USD $)
|
6 Months Ended | ||
|---|---|---|---|
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Jun. 30, 2014
|
Jun. 30, 2013
|
Dec. 31, 2013
|
|
| Related Party Transaction [Line Items] | |||
| Due to related parties | $ 228,744 | $ 27,979 | |
| Other assets | 2,238,309 | 1,333,432 | |
|
Non-Interest Bearing Cash Advances [Member]
|
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| Related Party Transaction [Line Items] | |||
| Other assets | 1,082,855 | 1,107,220 | |
|
Design Services [Member]
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| Related Party Transaction [Line Items] | |||
| Due to related parties | 40,000 | ||
| Incurred expenses | 236,000 | ||
|
Legal Fees [Member]
|
|||
| Related Party Transaction [Line Items] | |||
| Due to related parties | 43,022 | 417,000 | |
| Incurred expenses | 217,000 | 236,000 | |
|
Construction Serivces [Member]
|
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| Related Party Transaction [Line Items] | |||
| Due to related parties | 15,900 | ||
| Incurred expenses | $ 2,251,000 | $ 515,600 | |