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Note 8 - Revolving Lines of Credit (Details Textual) - USD ($) $ in Millions | Mar. 31, 2016 | Sep. 30, 2016
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UNITED STATES |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 30.0 |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.125% |
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.50% |
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.90% |
Letters of Credit Outstanding, Amount |  | $ 0.4

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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 total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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