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Note 6 - Income taxes (Detail) - Net Operating Loss (NOL) Carry Forwards (USD $)
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Jan. 01, 2012
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|---|---|
| Net Operating Loss (NOL) Carry Forward | $ 107,833,000 |
|
Amount of Carry Forward [Member] | Two Thousand Twelve [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 1,260 |
|
Amount of Carry Forward [Member] | Two Thousand Fourteen [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 10,278 |
|
Amount of Carry Forward [Member] | Two Thousand Fifteen [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 4,154 |
|
Amount of Carry Forward [Member] | Two Thousand Eighteen [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 1,078 |
|
Amount of Carry Forward [Member] | Two Thousand Nineteen [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 60 |
|
Amount of Carry Forward [Member] | Two Thousand Twenty [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 30 |
|
Amount of Carry Forward [Member] | Two Thousand Twenty One [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 11,365 |
|
Amount of Carry Forward [Member] | Two Thousand Twenty Two [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 16,207 |
|
Amount of Carry Forward [Member] | Two Thousand Twenty Three [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 27,270 |
|
Amount of Carry Forward [Member] | Two Thousand Twenty Five through Two Thousand Thrity One [Member]
|
|
| Net Operating Loss (NOL) Carry Forward | 36,131 |
|
Amount of Carry Forward [Member]
|
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| Net Operating Loss (NOL) Carry Forward | $ 107,833 |