The amount of shares in an Investment in a non-public company.

No definition available.

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Period Type:	instant

- Definition

The percentage of ownership in an investment.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Value of shares under a put option that can be sold back to the investee company.

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (c)-(e)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27357-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(c),9(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27405-111563

+ Details

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Balance Type:	credit
Period Type:	duration

- Definition

Amount of dividend income on nonoperating securities.

+ 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 210.5-03.7(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 8B
-URI http://asc.fasb.org/extlink&oid=73527792&loc=SL6284393-111563

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow associated with the purchase of all investments (debt, security, other) during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of the difference between preference in liquidation and the par or stated values of the preferred shares.

+ References

No definition available.

+ Details

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Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

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Note 2 - Investments in Non-public Company (Details Textual) - USD ($)				1 Months Ended		12 Months Ended
	Mar. 01, 2015	Jul. 15, 2014	Jul. 15, 2014	Oct. 29, 2014	Feb. 15, 2011	May 29, 2016	May 31, 2015	May 25, 2014
Other Comprehensive Income (Loss) [Member] \| Aesthetic Sciences [Member]
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net	$ 793,000
Windset [Member] \| Apio [Member] \| Senior A Preferred Stock [Member]
Investment In Non Public Company Shares					150,000
Payments to Acquire Investments					$ 15,000,000
Preferred Stock, Liquidation Preference, Value						$ 15,000,000
Windset [Member] \| Apio [Member] \| Common Stock [Member]
Investment In Non Public Company Shares		68	68		201
Payments to Acquire Investments					$ 201
Windset [Member] \| Apio [Member] \| Junior Preferred Shares [Member]
Investment In Non Public Company Shares		51,211	51,211
Preferred Stock, Liquidation Preference, Value						5,100,000
Windset [Member] \| Apio [Member] \| Senior B Preferred Stock [Member] \| First Anniversary [Member]
Investments, Value of Shares with Put Option				$ 1,500,000
Windset [Member] \| Apio [Member] \| Senior B Preferred Stock [Member] \| Second Anniversary [Member]
Investments, Value of Shares with Put Option				2,750,000
Windset [Member] \| Apio [Member] \| Senior B Preferred Stock [Member] \| Third Anniversary [Member]
Investments, Value of Shares with Put Option				$ 2,750,000
Windset [Member] \| Apio [Member] \| Senior B Preferred Stock [Member]
Investment In Non Public Company Shares				70,000
Payments to Acquire Investments				$ 7,000,000
Preferred Stock, Dividend Rate, Percentage				7.50%
Windset [Member] \| Apio [Member]
Payments to Acquire Investments		$ 11,000,000
Preferred Stock, Liquidation Preference, Value						20,100,000
Windset [Member] \| Other Income [Member]
Gain (Loss) on Investments						$ 1,200,000	$ 3,900,000	$ 10,000,000
Windset [Member]
Investment Ownership Percentage		26.90%	26.90%			26.90%	26.90%
Investment Income, Dividend						$ 1,700,000	$ 1,400,000	1,100,000
Senior A Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage			7.50%
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net							793,000
Payments to Acquire Investments							18,000,000
Investment Income, Dividend						$ 1,650,000	$ 1,417,000	$ 1,125,000