Quarterly report pursuant to Section 13 or 15(d)

Warrant Liabilities - Summary of Warrants Outstanding and Fair Values (Details)

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Warrant Liabilities - Summary of Warrants Outstanding and Fair Values (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Dec. 27, 2020
Dec. 29, 2019
Loss (Gain) on Change in Fair Value of Warrant Liability $ (1,027) $ 1,251
Warrant [Member]    
Warrant liability, fair value outstanding beginning 4,125,200 4,125,200
Warrant liability, Loss (Gain) on Change in Fair Value of Warrant Liability
Warrant liability, fair value outstanding ending 4,125,200 4,125,200
Fair Value per Share, beginning $ 0.62 $ 0.49
Fair Value per Share, Loss (Gain) on Change in Fair Value of Warrant Liability
Fair Value per Share, ending $ 0.37 $ 0.80
Fair value of warrant liability, beginning $ 2,544 $ 2,036
Loss (Gain) on Change in Fair Value of Warrant Liability (1,027) 1,251
Fair value of warrant liability, ending $ 1,517 $ 3,287