Goodwill and Intangible Assets (Details 1) (USD $)	12 Months Ended
Dec. 27, 2014	Dec. 28, 2013
Definite-lived intangibles:
Gross carrying amount	$ 4,479,000	$ 3,404,000
Accumulated amortization	(773,000)	(497,000)
Net carrying amount	3,706,000us-gaap_FiniteLivedIntangibleAssetsNet	2,907,000us-gaap_FiniteLivedIntangibleAssetsNet
Trade Name
Definite-lived intangibles:
Gross carrying amount	774,000	774,000
Accumulated amortization	(264,000)	(184,000)
Net carrying amount	510,000	590,000
Noncompete Agreements [Member]
Definite-lived intangibles:
Gross carrying amount	11,000	11,000
Accumulated amortization	(10,000)	(4,000)
Net carrying amount	1,000	7,000
Non-compete agreement
Definite-lived intangibles:
Gross carrying amount	868,000	868,000
Accumulated amortization	(216,000)	(130,000)
Net carrying amount	652,000	738,000
Technology
Definite-lived intangibles:
Gross carrying amount	1,751,000	1,751,000
Accumulated amortization	(272,000)	(179,000)
Net carrying amount	1,479,000	1,572,000
Licensing Agreements [Member]
Definite-lived intangibles:
Gross carrying amount	1,075,000	0
Accumulated amortization	(11,000)	0
Net carrying amount	1,064,000	0
Subsidiaries [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Impairment Loss	$ 0

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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