Warrant Liabilities (Details 1) - USD ($) $ / shares in Units, $ in Thousands |
12 Months Ended | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 17, 2018 |
Sep. 30, 2018 |
Oct. 01, 2017 |
Oct. 02, 2016 |
[3] | Aug. 26, 2016 |
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| Warrant Liability | $ 3,500 | $ 3,607 | ||||||||||||||||||
| Reclassification to additional paid in capital for correction to underwriter warrants outstanding | (41) | [1] | ||||||||||||||||||
| Reclassification to additional paid in capital upon exercise of warrants | 146 | [2] | ||||||||||||||||||
| (Gain) Loss on Change in Fair Value of Warrants | $ (95) | $ 489 | ||||||||||||||||||
| Warrant [Member] | ||||||||||||||||||||
| Warrants Outstanding | 4,260,785 | 4,323,135 | [3] | 4,323,135 | 4,323,135 | |||||||||||||||
| Fair Value per Share | $ 0.82 | $ 0.87 | [3] | $ 0.76 | $ 0.93 | [4] | ||||||||||||||
| Warrant Liability | $ 3,500 | $ 3,607 | [3] | $ 3,118 | ||||||||||||||||
| Reclassification to additional paid in capital for correction to underwriter warrants outstanding | [3] | 41 | ||||||||||||||||||
| Reclassification to additional paid in capital upon exercise of warrants | $ 53 | $ (53) | [5] | |||||||||||||||||
| Reclassification to additional paid in capital upon exercise of warrants, Warrants Outstanding | [5] | (62,350) | ||||||||||||||||||
| (Gain) Loss on Change in Fair Value of Warrants | $ (95) | $ 489 | ||||||||||||||||||
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