Goodwill and Intangible Assets (Details 1) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 27, 2015	Dec. 27, 2014	Jul. 02, 2016	Jan. 02, 2016
Definite-lived intangibles:
Gross carrying amount			$ 6,821,000	$ 5,971,000
Accumulated amortization			(1,460,000)	(1,158,000)
Net carrying amount			5,361,000	4,813,000
Trade Name
Definite-lived intangibles:
Gross carrying amount			774,000	774,000
Accumulated amortization			(378,000)	(340,000)
Net carrying amount			396,000	434,000
Noncompete Agreements [Member]
Definite-lived intangibles:
Gross carrying amount			11,000	11,000
Accumulated amortization			(11,000)	(11,000)
Net carrying amount			0	0
Non-compete agreement
Definite-lived intangibles:
Gross carrying amount			935,000	935,000
Accumulated amortization			(405,000)	(304,000)
Net carrying amount			530,000	631,000
Technology
Definite-lived intangibles:
Gross carrying amount			1,751,000	1,751,000
Accumulated amortization			(410,000)	(363,000)
Net carrying amount			1,341,000	1,388,000
Licensing Agreements [Member]
Definite-lived intangibles:
Gross carrying amount			3,350,000	2,500,000
Accumulated amortization			(256,000)	(140,000)
Net carrying amount			3,094,000	$ 2,360,000
Subsidiaries [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Impairment Loss		$ 0
HCT [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Impairment Loss	$ 0
Definite-lived intangibles:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			2,658,000
WhiteOak [Member]
Definite-lived intangibles:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles			$ 746,000