Note 5 - Restricted Cash (Details Textual) $ in Millions |
Jun. 30, 2018
USD ($)
|
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Letter of Credit Issued for Workers Compensation Obligation [Member] | |
Letters of Credit Outstanding, Amount | $ 5.9 |
X | ||||||||||
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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X | ||||||||||
- Details
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