Note 15 - Historical Basic and Diluted Net Loss Per Share (Details Textual) |
Dec. 28, 2016 |
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| Reverse Stock Split [Member] | |
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 10 |
| X | ||||||||||
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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