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Note 8 - Inventories, Net of Inventory Reserves (Tables) | 6 Months Ended
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Jun. 30, 2016
Notes Tables |
Schedule of Inventory, Current [Table Text Block] |
| June 30, 2016 |  | December 31, 2015
Finished goods | $ | 633 |  | $ | 633
Work in process |  | 293 |  |  | 264
Raw materials and accessories |  | 274 |  |  | 200
Supplies and packing materials |  | 301 |  |  | 288
Total inventories, net of inventory reserves | $ | 1,501 |  | $ | 1,385

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