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Note 6 - Loan Payable (Details) (USD $) | 9 Months Ended | 12 Months Ended |  | 12 Months Ended | 9 Months Ended |  | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2012 2012 Demand Loan Facilities [Member] Maximum [Member] | Dec. 31, 2012 2012 Demand Loan Facilities [Member] | Dec. 31, 2012 DLR Loan [Member] Base Rate [Member] | Jan. 31, 2013 DLR Loan [Member] | Dec. 31, 2012 2012 DLRR Loan [Member] Base Rate [Member] | Dec. 31, 2012 2012 DLRR Loan [Member] London Interbank Offered Rate (LIBOR) [Member] | Dec. 31, 2012 2012 DLRR Loan [Member] | Sep. 30, 2014 Amended Credit Facility [Member] | Sep. 30, 2014 Foreign Exchange Risk [Member] | Sep. 30, 2014 Operating Demand Loan [Member]
Note 6 - Loan Payable (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  | $ 14,000,000 | $ 14,000,000 |  |  |  |  |  |  | $ 3,500,000 | $ 1,000,000
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 1.25% |  | 1.25% | 2.50% |  |  |  | 1.25%
Line of Credit Facility Share Repurchase Limit |  | 2,000,000 |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  | 0.20% |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  |  |  |  |  | 4 years |  |  |
Line of Credit Facility, Covenant Period | 18 months |  |  |  |  |  |  |  |  |  |
Derivative Asset, Fair Value, Gross Asset |  |  |  |  |  |  |  |  |  | 22,800,000 |
Debt Instrument, Fee Amount |  |  |  |  |  |  |  |  |  |  | 500
Long-term Line of Credit |  |  |  |  | 5,200,000 |  |  |  |  |  | 0
Maximum Total Funded Debt To EBITDA Ratio |  |  |  |  |  |  |  |  | 2.00 |  |
Minimum Fixed Charge Coverage |  |  |  |  |  |  |  |  | 1.20 |  |
Line of Credit Facility Maximum Annual Capital Expenditure Ceiling |  |  |  |  |  |  |  |  | $ 3,600,000 |  |

X
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- Definition The amount that the loan facility may not exceed a specified annual capital expenditures. + References No definition available. + Details
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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. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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