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 6 Months Ended 9 Months Ended
Jun. 28, 2020
Jun. 30, 2019
Mar. 29, 2020
Jun. 28, 2020
Jun. 30, 2019
(Loss) Gain on Change in Fair Value of Warrant Liability $ 585 $ (81)   $ 504 $ 465
Warrant [Member]          
Warrant liability, fair value outstanding beginning     4,125,200 4,125,200 4,260,785
Reclassification to additional paid in capital upon exercise of warrants [1]         (47,504)
Warrant buyback and cancellation [2]         (88,081)
Warrant liability, fair value outstanding ending 4,125,200 4,125,200   4,125,200 4,125,200
Fair Value per Share, beginning     $ 0.49 $ 0.49 $ 0.82
Fair Value per Share, ending $ 0.62 $ 0.93   $ 0.62 $ 0.93
Fair value of warrant liability, beginning     $ 2,036 $ 2,036 $ 3,500
Reclassification to additional paid in capital upon exercise of warrants Fair value $ 48   $ (75) 48 (48)
Warrant buyback and cancellation fair value         (72)
(Loss) Gain on Change in Fair Value of Warrant Liability       504 465
Fair value of warrant liability, ending $ 2,540 $ 3,845   $ 2,540 $ 3,845
[1] Exercise of warrants for gross proceeds of $72 thousand and a warrant liability fair market value of $48 thousand as of the exercise date
[2] Buyback of 88,081 warrants at $0.85 per warrant for total consideration of ($75) thousand and a warrant liability fair market value of $72 thousand