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Restricted Cash - Additional Information (Detail) - USD ($) | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014 | Aug. 14, 2014 | May. 31, 2014 | May. 10, 2012 | Jul. 11, 2008
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |
Restricted cash | $ 212,116 | $ 520,728 |  |  |  |
Maturity date of mortgage loan | Dec. 17, 2015 |  |  |  |  |
Project loan facility |  |  |  |  | $ 8,000,000 |
Minimum [Member] |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |
Restricted cash | $ 400,000 |  |  |  |  |
Term Loan [Member] |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |
Restricted cash | 100,237 |  |  |  |  |
Project Term Loans [Member] |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |
Restricted cash | $ 111,879 |  |  | $ 500,000 |  |
Project loan facility |  |  | $ 10,000,000 | $ 10,000,000 |  |
Interest-bearing Deposits [Member] |  |  |  |  |  |
Restricted Cash and Cash Equivalents Items [Line Items] |  |  |  |  |  |
Restricted cash |  |  |  |  |  | $ 500,000
Restricted cash purpose | $500,000 was deposited into an interest-bearing account from which principal and interest payments are made. This mortgage loan has since been extended to July 2016. |  |  |  |  |

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- Definition State the reason and intention for the restriction upon the specific item of restricted cash or cash equivalents being disclosed. In general, restrictions of cash and cash equivalents limit the entity's ability to withdraw or use the amount. Restrictions may include contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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