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Stock Based Compensation | 12 Months Ended
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Jan. 31, 2015
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Stock Based Compensation | (13) Stock-Based Compensation Under the terms of the restricted stock unit agreements, twenty-five percent of the outstanding restricted stock units vested on the effective date of the registration statement relating to the initial public offering because such date occurred within the first vesting period of the outstanding restricted stock units. The Company recognized $1,208 of stock-based compensation expense as a result of the change in the vesting date. The remaining non-vested restricted stock units will vest one third annually on each of the first three anniversaries of the effective date of the registration statement relating to the initial public offering. The following table sets forth the rollforward of outstanding restricted stock units:
| Fiscal Year Ended |
| January 31, 2015 |
Unvested restricted stock units at February 1, 2014 |  | 1,193,747 |
Grants |  | 5,000 |
Forfeitures |  | 13,493 |
Vesting in connection with initial public offering |  | 297,401 |
Unvested restricted stock units at January 31, 2015 |  | 887,853 |
Total compensation expense related to the restricted stock unit awards recognized during the fiscal years ended January 31, 2015 and February 1, 2014 was $3,293 and $365, respectively.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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