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BASIS OF PRESENTATION Basis of Presentation (Details) - USD ($)			3 Months Ended						9 Months Ended		12 Months Ended
	Apr. 10, 2019	Mar. 15, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Sep. 28, 2019	Sep. 29, 2018	Dec. 29, 2018
Basis of Presentation [Abstract]
Net (loss) income			$ (6,505,364)	$ (4,237,024)	$ (11,319,910)	$ (9,807,979)	$ (9,246,673)	$ (5,472,104)	$ (22,062,298)	$ (24,526,756)	$ 34,500,000
Net cash used in operating activities									(16,815,092)	$ (20,182,753)	$ 28,100,000
Sale of registered stock (in shares)	700,000	7,272,727
Proceeds from sale of equity, gross	$ 800,000	$ 8,000,000.0
Shares issued (in usd per share)	$ 1.10	$ 1.10
Cash and cash equivalents and marketable debt securities			$ 26,000,000.0						$ 26,000,000.0

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