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Note 12 - Commitments and Contingencies (Details) (USD $) | 1 Months Ended | 5 Months Ended | 12 Months Ended |  | 1 Months Ended |  |  | 5 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jul. 24, 2013 | Jan. 19, 2011 | Mar. 31, 2013 | Mar. 30, 2014 | Mar. 31, 2013 | Mar. 25, 2012 | Dec. 01, 2009 | Apr. 30, 2014 Subsequent Event [Member] Business Interruption Claim, Net of Fees [Member] | Mar. 31, 2013 Coney Island Restaurant [Member] | Oct. 29, 2012 Closed for Varying Periods of Time [Member] Branded Menu Location [Member] | Oct. 29, 2012 Closed for Varying Periods of Time [Member] | Oct. 29, 2012 Remain Closed [Member] Branded Menu Location [Member] | Mar. 31, 2013 Write-off of Property and Equipment [Member] | Mar. 31, 2013 Unsalable Inventories [Member] | Jun. 30, 2013 Unutilized Insurance Advance [Member] | Mar. 30, 2014 Minimum [Member] | Mar. 30, 2014 Maximum [Member]
Note 12 - Commitments and Contingencies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lessee Leasing Arrangements, Operating Leases, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years | 20 years
Lessee Leasing Arrangements, Operating Leases, Renewal Term |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years | 20 years
Operating Leases, Rent Expense, Net |  |  |  | $ 1,391,000 | $ 1,102,000 | $ 1,248,000 |  |  |  |  |  |  |  |  |  |  |
Operating Leases, Rent Expense, Sublease Rentals |  |  |  | 265,000 | 353,000 | 229,000 |  |  |  |  |  |  |  |  |  |  |
Operating Leases, Rent Expense, Contingent Rentals |  |  |  | 454,000 | 399,000 | 151,000 |  |  |  |  |  |  |  |  |  |  |
Property Subject to or Available for Operating Lease, Number of Units |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase Commitment, Remaining Minimum Amount Committed |  |  | 5,000,000 |  | 5,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Percent of Estimated Hot Dogs Usage |  |  |  | 13.40% |  |  |  |  |  |  |  |  |  |  |  |  |
Other Commitment |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |
Loss Contingency, Damages Awarded, Value |  | 4,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation Settlement, Amount | 6,009,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Guarantor Obligations, Current Carrying Value |  |  |  |  |  |  | 193,000 |  |  |  |  |  |  |  |  |  |
Number of Restaurants |  |  |  |  |  |  |  |  |  | 18 | 78 | 1 |  |  |  |  |
Loss from Catastrophes |  |  | 1,340,000 |  |  |  |  |  |  |  |  |  | 449,000 | 42,000 |  |  |
Proceeds from Insurance Settlement, Investing Activities |  |  |  | 3,400,000 |  |  |  | 718,000 |  |  |  |  |  |  |  |  |
Insured Event, Gain (Loss) |  |  |  | $ 2,774,000 | $ 0 | $ 0 |  |  |  |  |  |  |  |  | $ 2,774,000 |  |

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- Definition The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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- Definition Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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- Definition The charge against earnings in the period for the uninsured portion of a loss from a fire, explosion, or natural disaster (hurricane, earthquake). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The increases or decreases in lease payments that result from changes occurring after the inception of the lease in the factors (other than the passage of time) on which lease payments are based, except that any escalation of minimum lease payments relating to increases in construction or acquisition cost of the leased property or for increases in some measure of cost or value during the construction or preconstruction period, are excluded from contingent rentals. Contingent rentals also may include amounts for which the triggering events have not yet occurred or the specified targets for which have not yet been achieved (such as sales based percentage rent), but which events are considered probable of occurring or which specified targets are considered probable of being achieved. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Rentals -URI http://asc.fasb.org/extlink&oid=6508509 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 40 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6452616&loc=d3e36728-112689 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 25 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=7579899&loc=d3e35050-112683 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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- Definition The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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- Definition The cash inflow from the amounts received by the insured under the terms of an insurance contract settlement. This element pertains only to insurance proceeds related to investments, for example fixed assets. It excludes insurance settlements classified as operating cash flows. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 + Details
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- Definition The number of units (items of property) under operating lease arrangements. + References No definition available. + Details
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- Definition Minimum amount to be expended to satisfy the terms of arrangements in which the entity has agreed to expend funds to procure goods or services, excluding long-term purchase commitments or unconditional purchase obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 25 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 17 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.17) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a)(19)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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