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Note 6 - Long-Term Debt (Details) (USD $) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 acre | Dec. 31, 2013
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Long-term Debt | $ 50,600,000 | $ 49,000,000
May 1, 2015 [Member] | American AgCredit Term Loan [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Debt Instrument Amount of Principal Balance that could be Outstanding at Specified Date | 3,000,000 |
May 1, 2016 [Member] | American AgCredit Term Loan [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Debt Instrument Amount of Principal Balance that could be Outstanding at Specified Date | 2,000,000 |
London Interbank Offered Rate (LIBOR) [Member] | Wells Fargo Revolving Loans [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 3.65% |
London Interbank Offered Rate (LIBOR) [Member] | American AgCredit Term Loan [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 4.00% |
Wells Fargo Revolving Loans [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | 32,700,000 |
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 | 30,600,000 | 29,000,000
American AgCredit Term Loan [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Pledged Assets Not Separately Reported Area of Real Estate (in Acres) | 3,100 |
Long-term Debt | 20,000,000 | 20,000,000
Debt Instrument, Interest Rate, Stated Percentage | 5.00% | 5.00%
Debt Instrument Basis Spread on Variable Rate after Tiered Reduction | 0.0375 |
Debt Instrument Mandatory Principal Repayments as Percentage Net Proceeds of Sale of Real Estate Property Pledged as Collateral | 100.00% |
Minimum [Member] | Wells Fargo Revolving Loans [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Debt Instrument, Covenant Required Liabilities | 3,000,000 |
Minimum [Member] | American AgCredit Term Loan [Member] |  |
Note 6 - 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% |
Minimum [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Debt Instrument, Covenant Required Liquidity | 3,000,000 |
Maximum [Member] | American AgCredit Term Loan [Member] |  |
Note 6 - 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% |
Maximum [Member] |  |
Note 6 - Long-Term Debt (Details) [Line Items] |  |
Debt Instrument, Covenant Required Liabilities | $ 175,000,000 |

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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. + Details
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