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Note 7 - Loan Payable (Details) (USD $) | 0 Months Ended | 1 Months Ended | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 0 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 07, 2013 | Jan. 23, 2012 | Dec. 31, 2013 | Dec. 31, 2013 Foreign Exchange Risk [Member] | Dec. 31, 2013 Operating Demand Loan [Member] | Dec. 31, 2012 Aggregate Advances [Member] 2012 DLR Loan [Member] | Dec. 31, 2012 2012 DLR Loan [Member] | Dec. 31, 2013 2012 DLR Loan [Member] | Dec. 31, 2012 2012 DLPR Loan [Member] | Dec. 31, 2013 2012 DLPR Loan [Member] | Dec. 31, 2012 DLR Loan [Member] | Dec. 31, 2013 DLR Loan [Member] | Jan. 07, 2013 2011 DLR [Member] | Dec. 31, 2012 Maximum [Member] 2012 DLR Loan [Member]
Note 7 - Loan Payable (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  | $ 3,500,000 | $ 1,000,000 |  | $ 14,000,000 |  |  |  |  |  | $ 5,200,000 | $ 14,000,000
Debt Instrument, Basis Spread on Variable Rate |  |  |  |  | 1.25% | 2.50% | 1.25% |  | 1.25% |  |  |  |  |
Proceeds from Lines of Credit | 5,200,000 | 4,000,000 |  |  |  |  |  |  |  |  |  |  |  | 2,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  |  |  |  |  |  |  |  | 0.20% |  |  |
Line of Credit Facility Maturity |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |
Line of Credit Facility, Amount Outstanding |  |  |  |  | 0 |  |  | 5,200,000 |  | 1,100,000 |  | 5,200,000 |  |
Stock Repurchased During Period, Shares (in Shares) |  |  |  |  |  |  |  |  |  |  |  |  | 4,114,121 |
Share Price (in Dollars per share) |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.50 |
Stock Repurchased During Period, Value |  |  |  |  |  |  |  |  |  |  |  |  | 6,171,656 |
Payments of Stock Issuance Costs |  |  |  |  |  |  |  |  |  |  |  |  | 106,000 |
Line of Credit Facility, Covenant Period |  |  |  | 18 months |  |  |  |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  |  |  | 26,500,000 |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Monitoring Fee |  |  |  |  | 500 |  |  |  |  |  |  |  |  |
Maximum Total Funded Debt to EBITDA |  |  | 2.00 |  |  |  |  |  |  |  |  |  |  |
Minimum Fixed Charge Coverage |  |  | 1.20 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility Maximum Annual Capital Expenditure Ceiling |  |  | $ 3,600,000 |  |  |  |  |  |  |  |  |  |  |

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- Definition Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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