| Note 4 - Inventories (Details Narrative) - USD ($) | Jun. 30, 2018 | Jun. 30, 2017 | 
|---|---|---|
| Inventory, Finished Goods, Net of Reserves | $ 372,000 | $ 870,000 | 
| Held at Consignment [Member] | ||
| Inventory, Finished Goods, Net of Reserves | $ 32,000 | $ 10,000 | 
| X | ||||||||||
| 
- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- Details 
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