Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Cash Flows from Operating Activities:
Net income	$ 5,218	$ 300
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,797	1,463
Share-based compensation expense	280	94
Interest income on note receivable, net of reserve	(144)	0
Gain on disposal of property, plant and equipment	0	(1,583)
Gain on sales of division	0	(3,424)
Changes in current assets and liabilities:
Trade accounts receivable	(3,700)	4,660
Notes receivable	0	(254)
Costs and estimated earnings in excess of billings on uncompleted contracts	(2,321)	2,406
Prepaid expenses and other assets	688	1,783
Accounts payable	(3,427)	(3,047)
Accrued compensation and benefits	1,599	5,711
Billings in excess of costs and estimated earnings on uncompleted contracts	3,243	(631)
Other liabilities	(78)	(3,934)
Net cash provided by operating activities	3,155	3,544
Cash Flows from Investing Activities:
Property and equipment acquired	(187)	(74)
Restricted Cash	0	6,135
Proceeds from sale of division	0	16,789
Net cash provided by (used in) investing activities	(187)	22,850
Cash Flows from Financing Activities:
Borrowings on line of credit	0	139,404
Payments on line of credit	0	(165,119)
Debt issuance costs	(143)
Issuance of common stock from private placement	72	0
Payments on capitalized leases	(1,111)	(108)
Net cash provided by (used in) financing activities	(1,182)	(25,823)
Net change in cash	1,786	571
Cash, at beginning of period	3,955	738
Cash, at end of period	5,741	1,309
Cash paid during the period for:
Income taxes (net of refunds)	434	688
Interest	224	1,953
Supplemental disclosures of noncash investment and financing activities
Acceptance of notes for asset sales	0	4,896
Property and equipment purchased under capital leases	$ 694	$ 1,803