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Note 14 - Income Taxes (Details Textual)	6 Months Ended
	Sep. 29, 2018	Sep. 30, 2017
Effective Income Tax Rate Reconciliation, Percent, Total	26.00%	(134.80%)
Effective Income Tax Rate Continuing Operations Change	160.80%
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent	(14.00%)
Effective Income Tax Rate Reconciliation, Effect of a Bargain Purchase Gain and The Outside Basis Difference Write-Off for the Purchase, Percent	167.10%

X

- Definition

The increase or decrease in the effective tax rate during the period.

+ References

No definition available.

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X

- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes from the effect of the bargain purchase gain and the outside basis difference write-off for the purchase.

+ References

No definition available.

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X

- Definition

Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to Tax Cuts and Jobs Act.

+ References

No definition available.

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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