Note 7 - Long-term Debt (Details Textual) - USD ($)		9 Months Ended
Mar. 09, 2012	Sep. 30, 2015
Sovereign Term Facility [Member] \| Term Loan [Member] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument, Basis Spread on Variable Rate	3.00%
Sovereign Term Facility [Member] \| Term Loan [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		3.50%
Sovereign Term Facility [Member] \| Term Loan [Member]
Debt Instrument, Face Amount	$ 4,500,000
Period Of Amortization	5 years
Sovereign Term Facility [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Interest Rate Swap [Member]
Debt Instrument, Basis Spread on Variable Rate	3.00%
Sovereign Term Facility [Member] \| Interest Rate Swap [Member]
Derivative, Remaining Maturity	5 years
Derivative Liability, Notional Amount	$ 4,500,000
Derivative, Swaption Interest Rate	4.11%
Derivative, Average Swaption Interest Rate	4.11%
Long-term Debt and Capital Lease Obligations		$ 199,746
Long-term Debt and Capital Lease Obligations, Current		$ 99,712

Represents the period over which the loan amount needs to be repaid.

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.

+ Details

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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- Definition

Average fixed interest rate that will be received or paid upon exercise of a group of interest rate swaption contracts.

+ References

No definition available.

+ Details

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: 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=56946850&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

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-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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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.

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- Definition

Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

+ References

No definition available.

+ Details

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- Definition

Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section H

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- Definition

Amount of long-term debt and capital leases due within one year or the normal operating cycle, if longer.

+ References

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