Amount of additional unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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Represents information pertaining to reduction standard corporate income taxr rate.

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No definition available.

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Description 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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Expiration year of each operating loss carryforward included in operating loss carryforward, in CCYY format.

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It represents as a percentage of valuation allowance during period.

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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 applicable to statutory income tax expense (benefit) outside of the country of domicile.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

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-Name Accounting Standards Codification
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-Section 50
-Paragraph 13
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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 6.I)
-URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Income Taxes (Details Narrative) - USD ($) $ in Thousands					12 Months Ended
Income Taxes (Details Narrative) - USD ($) $ in Thousands	Jan. 04, 2017	Apr. 01, 2015	Apr. 01, 2014	Mar. 31, 2014	Dec. 31, 2016
Operating Loss Carryforwards [Line Items]
Additional unrecognized tax expected					$ 375
Other Companies [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards					100
Federal Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards					78,000
State and Local Jurisdiction [Member] \| Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards					$ 45,400
State and Local Jurisdiction [Member] \| Internal Revenue Service (IRS) [Member] \| Minimum [Member]
Operating Loss Carryforwards [Line Items]
Expiration year					2017
State and Local Jurisdiction [Member] \| Internal Revenue Service (IRS) [Member] \| Maximum [Member]
Operating Loss Carryforwards [Line Items]
Expiration year					2034
Foreign Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards					$ 12,100
Foreign Tax Authority [Member] \| Her Majesty's Revenue and Customs (HMRC) [Member]
Operating Loss Carryforwards [Line Items]
Standard corporate income tax rate		20.00%	21.00%	23.00%
Description of standard corporate income tax rate					The rate is scheduled to further reduce to 19% effective April 1, 2017.
Foreign Tax Authority [Member] \| Her Majesty's Revenue and Customs (HMRC) [Member] \| Photo Therapeutics Limited [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards					$ 9,500
Percentage of valuation allowance					100.00%
Foreign Tax Authority [Member] \| Secretariat of the Federal Revenue Bureau of Brazil [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards					$ 1,800
Foreign Tax Authority [Member] \| Israel Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Standard corporate income tax rate	25.00%
Reduction in standard corporate income tax rate	1.50%
Foreign Tax Authority [Member] \| Israel Tax Authority [Member] \| Minimum [Member]
Operating Loss Carryforwards [Line Items]
Standard corporate income tax rate					25.00%
Foreign Tax Authority [Member] \| Israel Tax Authority [Member] \| Maximum [Member]
Operating Loss Carryforwards [Line Items]
Standard corporate income tax rate					26.50%
Alternative Minimum Tax [Member \| Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards					$ 300
Federal Jurisdiction [Member] \| Internal Revenue Service (IRS) [Member] \| Minimum [Member]
Operating Loss Carryforwards [Line Items]
Expiration year					2022
Federal Jurisdiction [Member] \| Internal Revenue Service (IRS) [Member] \| Maximum [Member]
Operating Loss Carryforwards [Line Items]
Expiration year					2030