CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
Dec. 30, 2017	Dec. 31, 2016
Income Statement [Abstract]
Revenues	$ 50,779	$ 71,739
Cost of services	35,299	46,842
Inventory impairment	181	264
Gross Profit	15,299	24,633
Selling, general and administrative expenses (includes non-cash share-based compensation expense of $50 and $302, respectively)	21,677	27,629
Goodwill impairment	0	10,830
Loss from operations	(6,378)	(13,826)
Other (expense) income:
Interest (expense) income, net	(342)	(264)
Change in fair value of warrants and derivative liabilities	337	(18)
Incentive warrants expense	(57)	(53)
Other income	0	30
Total other (expense) income	(62)	(305)
Loss before income taxes	(6,440)	(14,131)
Income tax benefit	197	248
Net loss	(6,243)	(13,883)
Other comprehensive loss:
Foreign currency translation adjustment	114	(1,321)
Comprehensive loss	$ (6,129)	$ (15,204)
Net loss per common share
Basic and diluted (in USD per share)	$ (0.70)	$ (1.61)
Weighted average shares used in calculation of net loss per common share
Basic and diluted (in shares)	8,967	8,639

Change in fair value of warrants and derivatives liabilities.

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Expense associated with incentive warrants earned by a strategic alliance partner.

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Amount after tax and reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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