Note 5 - Long-term Debt (Details) (USD $)	12 Months Ended
Dec. 31, 2014 acre	Dec. 31, 2013
Note 5 - Long-term Debt (Details) [Line Items]
Long-term Debt	$ 50,176,000us-gaap_LongTermDebt	$ 49,000,000us-gaap_LongTermDebt
Long-term Line of Credit	50,200,000us-gaap_LineOfCredit
Wells Fargo Revolving Loans [Member] \| Honolua Store [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Repayments of Long-term Lines of Credit	1,900,000
Wells Fargo Revolving Loans [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	3.65%
Wells Fargo Revolving Loans [Member] \| Minimum [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument, Covenant Required Liabilities	3,000,000
Wells Fargo Revolving Loans [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	30,800,000
Pledged Assets Not Separately Reported Area of Real Estate (in Acres)	880
Debt Instrument, Covenant Required Liabilities	175,000,000
Line of Credit Facility, Commitment Fee Amount	0
Long-term Debt	30,643,000	29,000,000
American AgCredit Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	4.00%
American AgCredit Term Loan [Member] \| May 1, 2015 [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument Amount of Principal Balance that could be Outstanding at Specified Date	17,000,000
American AgCredit Term Loan [Member] \| May 1, 2016 [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument Amount of Principal Balance that could be Outstanding at Specified Date	15,000,000
American AgCredit Term Loan [Member] \| Minimum [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Long-term Debt	15,000,000
Debt Instrument, Interest Rate, Stated Percentage	1.00%
Debt Instrument, Covenant Required Liquidity	3,000,000
Debt Instrument Mandatory Principal Repayments as Percentage Net Proceeds of Sale of Non Collateralized Real Property	60.00%
American AgCredit Term Loan [Member] \| Maximum [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument, Covenant Required Liabilities	175,000,000
Debt Instrument Mandatory Principal Repayments as Percentage Net Proceeds of Sale of Non Collateralized Real Property	75.00%
American AgCredit Term Loan [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Pledged Assets Not Separately Reported Area of Real Estate (in Acres)	3,100
Long-term Debt	19,533,000	20,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.00%	5.00%
Debt Instrument Basis Spread on Variable Rate after Tiered Reduction	3.75%
Debt Instrument Mandatory Principal Repayments as Percentage Net Proceeds of Sale of Real Estate Property Pledged as Collateral	100.00%
First Hawaiian Bank Revolving Line of Credit [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	3,500,000
Long-term Line of Credit	0
Minimum [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument, Covenant Required Liquidity	3,000,000
Maximum [Member]
Note 5 - Long-term Debt (Details) [Line Items]
Debt Instrument, Covenant Required Liquidity	$ 175,000,000

The principal balance amount the entity is required to pay down to by a specified date.

No definition available.

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- Definition

The percentage points added to the reference rate to compute the variable rate on the debt instrument after tiered reductions.

+ References

No definition available.

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- Definition

Represents the amount of liabilities required to be maintained under financial covenants.

+ References

No definition available.

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Represents the amount of liquidity required to be maintained under financial covenants.

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No definition available.

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- Definition

Represents the amount of mandatory principal repayment as a percentage of the net proceeds of the sale of non-collateralized real property.

+ References

No definition available.

+ Details

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- Definition

Represents the amount of mandatory principal repayment as a percentage of the net proceeds of the sale of any real property pledged as collateral.

+ References

No definition available.

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- Definition

Area of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Topic 210

-SubTopic 10

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-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-Topic 942

-SubTopic 210

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- Definition

Amount of the fee for available but unused credit capacity under the credit facility.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Name Regulation S-X (SX)

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- Definition

The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.

+ References

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-Publisher FASB

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-Glossary Financing Activities

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