Segment Information - Schedule of Segment Information for Operation Statement (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Operating revenues	$ 55,765	$ 59,224
Operating income (loss)	(6,143)	(3,238)
Depreciation and amortization	970	1,143
Tangible assets	26,408	41,520
Goodwill	2,806	2,806
Other intangible assets	38	110
Total assets	29,252	44,436
Capital expenditures	709	64
EPCM [Member]
Operating revenues	22,595	24,006
Operating income (loss)	(1,786)	42
Depreciation and amortization	85	23
Tangible assets	5,976	4,913
Goodwill
Other intangible assets
Total assets	5,976	4,913
Capital expenditures	490	44
Automation [Member]
Operating revenues	33,170	35,218
Operating income (loss)	2,162	3,970
Depreciation and amortization	272	386
Tangible assets	9,660	8,997
Goodwill	2,806	2,806
Other intangible assets	19	110
Total assets	12,485	11,913
Capital expenditures	46	14
Corporate [Member]
Operating revenues
Operating income (loss)	(6,519)	(7,250)
Depreciation and amortization	613	734
Tangible assets	10,772	27,610
Goodwill
Other intangible assets	19
Total assets	10,791	27,610
Capital expenditures	$ 173	$ 6