Note Receivable and Line of Credit Issued - Additional Information (Detail) (USD $)	0 Months Ended	6 Months Ended
	Jan. 30, 2012	Aug. 02, 2014 Installment	Jan. 30, 2012
Note Receivable And Line Of Credit Issued [Line Items]
Net sale price			$ 1,000,000
Promissory note interest rate	3.75%
Interest commencement date		Jan. 30, 2013
Interest installments		16
Promissory note outstanding		562,500
Revolving Credit Facility [Member]
Note Receivable And Line Of Credit Issued [Line Items]
Revolving line of credit		600,000
Line of credit facility maturity date		Jan. 31, 2015
Extended revolving line of credit		$ 200,000
Line of credit issued initial term		1 year
Prime Rate [Member] | Revolving Credit Facility [Member]
Note Receivable And Line Of Credit Issued [Line Items]
Interest rate on outstanding credit balance		2.00%