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Significant accounting policies (Tables) | 12 Months Ended
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Mar. 25, 2017
Accounting Policies [Abstract] |
Estimated Useful Lives of Assets | Depreciation and amortization are computed using the straight-line method based on the estimated useful lives of the assets as follows:
Asset |  | Period
Buildings |  | Lesser of term of the lease or the economic life
Leasehold improvements |  | Lesser of term of the lease or the economic life
Software and electronic equipment |  | 1 - 6 years
Molds |  | 2 - 5 years
Furniture and fixtures |  | 5 - 8 years
Equipment |  | 3 - 8 years
Basic and Diluted Earnings Per Common Share | The following table sets forth the computation of basic and diluted earnings per common share for the years ended March 25, 2017, March 26, 2016 and March 28, 2015:
|  | Fiscal Year Ended |
|  | March 25, 2017 |  |  | March 26, 2016 |  |  | March 28, 2015 |
|  | (In thousands, except per share data) |
Basic income (loss) per common share computation: |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 4,928 |  |  | $ | 5,438 |  |  | $ | (8,632 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding |  |  | 17,961 |  |  |  | 17,961 |  |  |  | 17,937 |
Income (loss) per common share |  | $ | 0.27 |  |  | $ | 0.30 |  |  | $ | (0.48 | )
Diluted income (loss) per common share computation: |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income (loss) |  | $ | 4,928 |  |  | $ | 5,438 |  |  | $ | (8,632 | )
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding |  |  | 17,961 |  |  |  | 17,961 |  |  |  | 17,937 |
Dilutive effect of stock options and warrants |  |  | 457 |  |  |  | — |  |  |  | — |
Weighted-average common shares outstanding – diluted |  |  | 18,418 |  |  |  | 17,961 |  |  |  | 17,937 |
Diluted income (loss) per common share |  | $ | 0.27 |  |  | $ | 0.30 |  |  | $ | (0.48 | )

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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