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Concentrations - Additional Information (Detail)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Dec. 31, 2014
Supplier Concentration Risk | One Supplier
Concentration Risk [Line Items]
Concentration risk, percentage		12.00%	25.00%
Supplier Concentration Risk | Four Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage					33.00%
Supplier Concentration Risk | Three Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage	41.00%					45.00%
Supplier Concentration Risk | Two Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage			35.00%	37.00%
Accounts Payables | Four Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage					71.00%
Accounts Payables | Three Suppliers
Concentration Risk [Line Items]
Concentration risk, percentage					71.00%	47.00%
Accounts Receivable | Three Customers
Concentration Risk [Line Items]
Concentration risk, percentage			86.00%		96.00%
Accounts Receivable | Four Customers
Concentration Risk [Line Items]
Concentration risk, percentage						93.00%
Revenue | Three Customers
Concentration Risk [Line Items]
Concentration risk, percentage	97.00%	97.00%				79.00%
Revenue | Four Customers
Concentration Risk [Line Items]
Concentration risk, percentage			97.00%	94.00%	94.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13531-108611

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=51801978&loc=d3e6404-108592

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13537-108611

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