Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018
Cash Flows from Operating Activities:
Net loss	$ (2,207)	$ (2,388)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	258	386
Share-based compensation expense	45	171
Gain on sale of asset		(2)
Changes in current assets and liabilities:
Trade accounts receivable	2,748	(1,379)
Contract assets	(953)	982
Other current assets	956	678
Accounts payable	(229)	(445)
Accrued compensation and benefits	(126)	(453)
Contract liabilities	209	(1,048)
Income taxes payable	16	(58)
Other current liabilities, net	(460)	(708)
Net cash provided by (used in) operating activities	257	(4,264)
Cash Flows from Investing Activities:
Proceeds from notes receivable	24	19
Property and equipment acquired	(191)	(89)
Net cash used in investing activities	(167)	(70)
Cash Flows from Financing Activities:
Purchase of treasury stock	(61)
Payments on finance leases	(1)	(62)
Net cash used in financing activities	(62)	(62)
Net change in cash, cash equivalents and restricted cash	28	(4,396)
Cash, cash equivalents and restricted cash, at beginning of period	6,060	9,648
Cash, cash equivalents and restricted cash, at end of period	6,088	5,252
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	12	15
Right of use assets obtained in exchange for new operating lease liability	2,377
Leased assets obtained in exchange for new finance lease liabilities	236
Cash paid (received) during the period for income taxes (net of refunds)		$ 96