Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Cash Flows from Operating Activities:
Net loss	$ (974)	$ (1,200)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	84	156
Share-based compensation expense	16	76
Changes in current assets and liabilities:
Trade accounts receivable	29	(474)
Contract assets	1,175	596
Other current assets	163	378
Accounts payable	29	(370)
Accrued compensation and benefits	(397)	(475)
Contract liabilities	1,406	(1,041)
Income taxes payable	20	14
Other current liabilities	(253)	(491)
Net cash provided by (used in) operating activities	1,298	(2,831)
Cash Flows from Investing Activities:
Proceeds from notes receivable	5	4
Property and equipment acquired	(5)	(8)
Net cash used in investing activities		(4)
Cash Flows from Financing Activities:
Purchase of treasury stock	(60)
Payments on capitalized leases	(1)	(46)
Net cash used in financing activities	(61)	(46)
Net change in cash, cash equivalents and restricted cash	1,237	(2,881)
Cash, cash equivalents and restricted cash, at beginning of period	6,060	9,648
Cash, cash equivalents and restricted cash, at end of period	7,297	6,767
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	5	9
Right of use assets obtained in exchange for new operating lease liability	$ 209	$ 209