Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Cash Flows from Operating Activities:
Net loss	$ (16,258)	$ (2,342)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	970	1,143
Deferred income tax benefit	10,208	(1,071)
Share-based compensation expense - employee	387	489
Share-based compensation expense - nonemployee	225
Loss on disposal of asset		(6)
Changes in current assets and liabilities, net of acquisitions and dispositions:
Trade receivables	1,341	13,562
Costs and estimated earnings in excess of billings on uncompleted contracts	(2,839)	1,628
Prepaid expenses and other assets	166	461
Accounts payable	866	(306)
Accrued compensation and benefits	(60)	(987)
Billings in excess of costs and estimated earnings on uncompleted contracts	(37)	(2,541)
Other liabilities	(91)	(98)
Income taxes receivable (payable)	18	(367)
Net cash provided by (used in) operating activities	(5,104)	9,565
Cash Flows from Investing Activities:
Property and equipment acquired	(713)	(64)
Proceeds from notes receivable	49	115
Net cash provided by (used in) investing activities	(664)	51
Cash Flows from Financing Activities:
Purchase of treasury stock	(91)	(1,353)
Debt issuance costs		(20)
Payments on capitalized leases	(180)	(362)
Net cash used in financing activities	(271)	(1,735)
Net change in cash and cash equivalents	(6,039)	7,881
Cash, cash equivalents, and restricted cash at beginning of year	15,687	7,806
Cash, cash equivalents, and restricted cash at end of year	9,648	15,687
Cash paid during the period for:
Income taxes, net of refunds	(147)	410
Interest	$ 108	$ 174