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Note 16 - Derivative Financial Instruments (Detail) (USD $) | 0 Months Ended | 12 Months Ended |  |  |  |  | 12 Months Ended |  | 0 Months Ended | 12 Months Ended | 48 Months Ended | 60 Months Ended |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 21, 2016 | Jul. 14, 2013 | Jan. 21, 2011 | Jul. 09, 2009 | Dec. 31, 2012 | Dec. 31, 2010 | Dec. 31, 2011 | Jul. 08, 2009 First Two Contracts [Member] Eurobank [Member] | Jan. 21, 2011 Last Contract [Member] Eurobank [Member] | Dec. 31, 2011 Swap One [Member] | Dec. 31, 2011 Swap Two [Member] | Dec. 31, 2011 Swap Three [Member] | Dec. 31, 2009 Forward Contracts [Member] Minimum [Member] | Dec. 31, 2010 Forward Contracts [Member] Maximum [Member] | Dec. 31, 2008 Forward Contracts [Member] | Jul. 08, 2014 Eurobank [Member] | Jul. 14, 2008 Eurobank [Member] | Dec. 31, 2011 Eurobank [Member] | Jul. 08, 2013 Eurobank [Member] | Jan. 21, 2016 Eurobank [Member] | Jul. 14, 2013 Eurobank [Member] | Jan. 31, 2011 Eurobank [Member] | Jul. 08, 2009 Eurobank [Member] | Dec. 31, 2010 Put Option [Member] | Dec. 31, 2010 Call Option [Member]
Derivative, Number of Instruments Held |  |  |  |  | 3 | 3 | 3 |  |  |  |  |  |  |  | 6 |  | 3 |  |  |  |  | 3 | 3 |  |
Derivative, Inception Date |  |  | Jan. 21, 2011 | Jul. 08, 2009 |  |  |  |  |  |  |  |  |  |  |  |  | Jul. 14, 2008 |  | Jul. 08, 2009 | Jan. 21, 2011 | Jul. 14, 2008 |  |  |  |
Derivative Liability, Notional Amount (in Dollars) |  |  |  |  |  |  |  | $ 25,000,000 | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Fixed Interest Rate |  |  |  |  |  |  |  |  |  | 3.99% | 2.88% | 2.29% |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, Remaining Maturity |  |  |  |  |  |  |  |  |  |  |  |  | 480 days | 485 years |  |  |  | 5 years |  |  |  |  |  | 360 days | 360 days
Derivative, Maturity Date | Jan. 21, 2016 | Jul. 14, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  | Jul. 08, 2014 |  |  |  |  |  |  |  |  |
Average Time Charter Equivalent Per Day (in Dollars) |  |  |  |  |  |  |  |  |  |  |  |  | 11,350 | 11,430 |  |  |  |  |  |  |  |  |  |  |
Derivative, Description of Terms |  |  |  |  | The contracts are settled on a monthly basis using the average of the BPI for the days of the month the BPI is published.The Company received a payment if the average BPI for the month was below the contract rate equal to the difference of the contract rate less the average BPI for the month times the number of contract days sold; if the average BPI for the month was greater than the contract rate the Company made a payment equal to the difference of the average BPI for the month less the contract rate times the number of contract days sold. If the Company buys contracts previously sold (or the opposite) the Company receives or pays the difference of the two rates for the period covered by the contracts. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option Indexed to Issuer's Equity, Strike Price (in Dollars per Day) |  |  |  |  |  | 16,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 23,500
Derivative, Gain (Loss) on Derivative, Net (in Dollars) |  |  |  |  |  | $ 336,552 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Description of the relevant terms of the derivative. Includes the type of instrument, risk being hedged, notional amount, counterparty, inception date, maturity date, relevant interest rates, strike price, cap price, and floor price. + References No definition available. + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Definition Net Increase or Decrease in the fair value of the derivative or group of derivatives included in earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 + Details
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- Definition Date the entity entered into the derivative contract, in CCYY-MM-DD format. + References No definition available. + Details
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- Definition Total monetary amount specified by the derivative liability (or liabilities). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 + Details
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- Definition The number of derivative instruments of a particular group held by the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 + Details
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- Definition Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition The exercise (or strike) price stated in the contract. The fixed price at which the option holder can purchase, in the case of a call option, or sell, in the case of a put option, on the underlying security. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 00-19 -Paragraph 50 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008 + Details
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