Nature of Business and Summary of Significant Accounting Policies - Summary of Customers Individually Comprise Greater Than Ten Percent of Accounts Receivable (Detail) (Customer Concentration Risk [Member], Accounts Receivable [Member])	0 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Accounts Receivable	86.00%	100.00%
Customer A [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Accounts Receivable	28.00%
Customer B [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Accounts Receivable	24.00%
Customer C [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Accounts Receivable	20.00%
Customer D [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Accounts Receivable	14.00%
Customer E [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Accounts Receivable		100.00%