4.	Internal-Use Software and Website Development Costs

Direct costs incurred to develop software for internal use and website development costs are capitalized and amortized over an estimated useful life of three to seven years. The Company capitalized costs, primarily related to labor, consulting, hardware and software, of $12,843 and $14,696 during the 39 weeks ended January 27, 2018 and January 28, 2017, respectively. Amortization of previously capitalized amounts was $5,543 and $5,403 during the 13 weeks ended January 27, 2018 and January 28, 2017, respectively, and $16,388 and $18,152 during the 39 weeks ended January 27, 2018 and January 28, 2017, respectively. Costs related to the design or maintenance of internal-use software and website development are expensed as incurred.