| Note 8 - Property And Equipment (Detail) (USD $) | 12 Months Ended | ||
|---|---|---|---|
| Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010 | |
| Depreciation | $ 2,875,883 | $ 2,013,388 | |
| Cost of Services, Depreciation | 1,879,358 | 1,450,723 | |
| Interest Costs Capitalized | 331,145 | 278,308 | |
| Capital Leased Assets, Gross | 1,877,145 | 2,024,282 | |
| Capital Leases, Lessee Balance Sheet, Assets by Major Class, Property, Plant, and Equipment Other, Accumulated Depreciation | $ 900,790 | $ 807,562 | |
| X | ||||||||||
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- Definition Property, plant, or equipment held under lease agreements classified as an asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition The cumulative amount of depreciation for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization not included within the other defined categories in the taxonomy. No definition available. 
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| X | ||||||||||
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- Definition The expense recognized in the current period that allocates the cost of a tangible asset used in providing revenue generating services over the asset's useful life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
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- Definition Amount of interest capitalized during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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