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Restatement of Previously Issued Financial Statements Restatement of Stockholders' Equity (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 47,712,821				$ 77,379,847				$ 47,712,821	$ 77,379,847	$ 74,219,643	$ 94,484,780
Net Income (Loss) Attributable to Parent	(9,966,000)	$ (9,791,000)	$ (9,241,000)	$ (5,536,000)	(1,803,000)	$ (8,247,000)	$ (7,332,000)	$ (7,858,000)	(34,533,542)	(25,240,482)	(23,568,717)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders									(699,105)	(791,737)
Net Income (Loss) Attributable to Noncontrolling Interest									51,050	(139,633)	537,572
Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	334,491,397				329,917,858				334,491,397	329,917,858	327,323,162	325,357,045
Noncontrolling Interest
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(149,053)				616,661				(149,053)	616,661	1,478,040	945,386
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders									(699,105)	(791,737)
Accumulated Deficit
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(271,730,661)				(240,256,502)				(271,730,661)	(240,256,502)	(214,177,388)	(190,608,671)
Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net Income (Loss) Attributable to Parent									(35,869,625)		(23,434,116)
Net Income (Loss) Attributable to Noncontrolling Interest									51,050		402,971
Previously Reported [Member] | Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	335,692,879				331,119,340				335,692,879	331,119,340	328,524,644	326,558,527
Previously Reported [Member] | Noncontrolling Interest
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(149,053)				(719,422)				(149,053)	(719,422)	141,957	(256,096)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders									(636,978)
Previously Reported [Member] | Accumulated Deficit
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(272,932,143)				(240,121,901)				(272,932,143)	(240,121,901)	(214,042,787)	(190,608,671)
Restatement Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Net Income (Loss) Attributable to Parent									1,336,083		(134,601)
Net Income (Loss) Attributable to Noncontrolling Interest											134,601
Restatement Adjustment [Member] | Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(1,201,482)				(1,201,482)				(1,201,482)	(1,201,482)	(1,201,482)	(1,201,482)
Restatement Adjustment [Member] | Noncontrolling Interest
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest					1,336,083					1,336,083	1,336,083	1,201,482
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders									1,336,083
Restatement Adjustment [Member] | Accumulated Deficit
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	1,201,482				(134,601)				1,201,482	(134,601)
As Revised [Member] | Additional Paid-in Capital
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 334,491,397				$ 329,917,858				$ 334,491,397	$ 329,917,858	$ 327,323,162	$ 325,357,045

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